Skip to content
Google 4.8/5
Order before 15:00 CET, shipped today*
Shopping Cart 0 products

Flash firmware

On this page you can reflash or update our products to the latest factory firmware using ESP Web Tools, directly in your browser.

  • Chrome or Edge on a computer
  • A USB cable that carries data
  • The device returns to its factory settings

This browser cannot install firmware over USB. Open this page in Chrome or Edge on a computer.

Choose your product

CeilSense Recessed sensor for ceiling or wall View releases View on GitHub
UltimateSensor Mini Compact version, also with Thread View releases View on GitHub
UltimateSensor Most complete sensor, with microphone and speaker View releases View on GitHub
P1MeterKit Electricity and gas via your meter’s P1 port View releases View on GitHub
WaterMeterKit Water use of your whole home, via your water meter View releases View on GitHub
WaterFlowKit Water and temperature per tap or pipe View releases View on GitHub
WaterP1MeterKit Water, electricity and gas in one kit View releases View on GitHub

Choose how you use the device

Choose whether you want to use the device only locally with Home Assistant, or also connect it to the SmartHomeShop app. How the app works

This only changes the firmware type. Your Wi-Fi and Ethernet choices below stay the same.

Choose the firmware

Basic, Wi‑Fi ESPHome, Wi‑Fi

Ready to install

CeilSenseBasic, Wi‑Fi Local firmwareCloud firmware

Factory image for CeilSense (Basic, Wi‑Fi).

  1. Connect the device to your computer with the USB cable.
  2. Click Install firmware and choose the USB port of your device.
  3. Then connect it to your Wi‑Fi with Improv or through its access point.
Important: factory reset Flashing from this page writes the factory firmware image to your device. All current settings, Wi‑Fi credentials, and local configurations on the device will be erased. Make sure you have any required credentials at hand to reconfigure after flashing.
This browser cannot install firmware over USB. Open this page in Chrome or Edge on a computer. This feature requires HTTPS. Please use a secure connection.
This browser cannot install firmware over USB. Open this page in Chrome or Edge on a computer. This feature requires HTTPS. Please use a secure connection.

Next: connect to Home Assistant

After flashing, add the device to Home Assistant through ESPHome. For extra features and ready-made cards, we recommend our official SmartHomeShop integration.

View the Home Assistant guide View the SmartHomeShop integration

Next: link it to the SmartHomeShop app

Once your device is connected to Wi-Fi or Ethernet and has an IP address, go to app.smarthomeshop.io/start to add the device to your account.

Basic, Wi‑Fi + LD2412 ESPHome, Wi‑Fi

Ready to install

CeilSenseBasic, Wi‑Fi + LD2412 Local firmwareCloud firmware

Factory image for CeilSense (Basic, Wi‑Fi) with LD2412.

  1. Connect the device to your computer with the USB cable.
  2. Click Install firmware and choose the USB port of your device.
  3. Then connect it to your Wi‑Fi with Improv or through its access point.
Important: factory reset Flashing from this page writes the factory firmware image to your device. All current settings, Wi‑Fi credentials, and local configurations on the device will be erased. Make sure you have any required credentials at hand to reconfigure after flashing.
This browser cannot install firmware over USB. Open this page in Chrome or Edge on a computer. This feature requires HTTPS. Please use a secure connection.
This browser cannot install firmware over USB. Open this page in Chrome or Edge on a computer. This feature requires HTTPS. Please use a secure connection.

Next: connect to Home Assistant

After flashing, add the device to Home Assistant through ESPHome. For extra features and ready-made cards, we recommend our official SmartHomeShop integration.

View the Home Assistant guide View the SmartHomeShop integration

Next: link it to the SmartHomeShop app

Once your device is connected to Wi-Fi or Ethernet and has an IP address, go to app.smarthomeshop.io/start to add the device to your account.

Basic, Wi‑Fi + LD2450 ESPHome, Wi‑Fi

Ready to install

CeilSenseBasic, Wi‑Fi + LD2450 Local firmwareCloud firmware

Factory image for CeilSense (Basic, Wi‑Fi) with LD2450.

  1. Connect the device to your computer with the USB cable.
  2. Click Install firmware and choose the USB port of your device.
  3. Then connect it to your Wi‑Fi with Improv or through its access point.
Important: factory reset Flashing from this page writes the factory firmware image to your device. All current settings, Wi‑Fi credentials, and local configurations on the device will be erased. Make sure you have any required credentials at hand to reconfigure after flashing.
This browser cannot install firmware over USB. Open this page in Chrome or Edge on a computer. This feature requires HTTPS. Please use a secure connection.
This browser cannot install firmware over USB. Open this page in Chrome or Edge on a computer. This feature requires HTTPS. Please use a secure connection.

Next: connect to Home Assistant

After flashing, add the device to Home Assistant through ESPHome. For extra features and ready-made cards, we recommend our official SmartHomeShop integration.

View the Home Assistant guide View the SmartHomeShop integration

Next: link it to the SmartHomeShop app

Once your device is connected to Wi-Fi or Ethernet and has an IP address, go to app.smarthomeshop.io/start to add the device to your account.

Basic, Ethernet ESPHome, Ethernet

Ready to install

CeilSenseBasic, Ethernet Local firmwareCloud firmware

Factory image for CeilSense (Basic, Ethernet).

  1. Connect the device to your computer with the USB cable.
  2. Click Install firmware and choose the USB port of your device.
  3. Then plug in the network cable: the device gets an IP address automatically.
Important: factory reset Flashing from this page writes the factory firmware image to your device. All current settings, Wi‑Fi credentials, and local configurations on the device will be erased. Make sure you have any required credentials at hand to reconfigure after flashing.
This browser cannot install firmware over USB. Open this page in Chrome or Edge on a computer. This feature requires HTTPS. Please use a secure connection.
This browser cannot install firmware over USB. Open this page in Chrome or Edge on a computer. This feature requires HTTPS. Please use a secure connection.

Next: connect to Home Assistant

After flashing, add the device to Home Assistant through ESPHome. For extra features and ready-made cards, we recommend our official SmartHomeShop integration.

View the Home Assistant guide View the SmartHomeShop integration

Next: link it to the SmartHomeShop app

Once your device is connected to Wi-Fi or Ethernet and has an IP address, go to app.smarthomeshop.io/start to add the device to your account.

Basic, Ethernet + LD2412 ESPHome, Ethernet

Ready to install

CeilSenseBasic, Ethernet + LD2412 Local firmwareCloud firmware

Factory image for CeilSense (Basic, Ethernet) with LD2412.

  1. Connect the device to your computer with the USB cable.
  2. Click Install firmware and choose the USB port of your device.
  3. Then plug in the network cable: the device gets an IP address automatically.
Important: factory reset Flashing from this page writes the factory firmware image to your device. All current settings, Wi‑Fi credentials, and local configurations on the device will be erased. Make sure you have any required credentials at hand to reconfigure after flashing.
This browser cannot install firmware over USB. Open this page in Chrome or Edge on a computer. This feature requires HTTPS. Please use a secure connection.
This browser cannot install firmware over USB. Open this page in Chrome or Edge on a computer. This feature requires HTTPS. Please use a secure connection.

Next: connect to Home Assistant

After flashing, add the device to Home Assistant through ESPHome. For extra features and ready-made cards, we recommend our official SmartHomeShop integration.

View the Home Assistant guide View the SmartHomeShop integration

Next: link it to the SmartHomeShop app

Once your device is connected to Wi-Fi or Ethernet and has an IP address, go to app.smarthomeshop.io/start to add the device to your account.

Basic, Ethernet + LD2450 ESPHome, Ethernet

Ready to install

CeilSenseBasic, Ethernet + LD2450 Local firmwareCloud firmware

Factory image for CeilSense (Basic, Ethernet) with LD2450.

  1. Connect the device to your computer with the USB cable.
  2. Click Install firmware and choose the USB port of your device.
  3. Then plug in the network cable: the device gets an IP address automatically.
Important: factory reset Flashing from this page writes the factory firmware image to your device. All current settings, Wi‑Fi credentials, and local configurations on the device will be erased. Make sure you have any required credentials at hand to reconfigure after flashing.
This browser cannot install firmware over USB. Open this page in Chrome or Edge on a computer. This feature requires HTTPS. Please use a secure connection.
This browser cannot install firmware over USB. Open this page in Chrome or Edge on a computer. This feature requires HTTPS. Please use a secure connection.

Next: connect to Home Assistant

After flashing, add the device to Home Assistant through ESPHome. For extra features and ready-made cards, we recommend our official SmartHomeShop integration.

View the Home Assistant guide View the SmartHomeShop integration

Next: link it to the SmartHomeShop app

Once your device is connected to Wi-Fi or Ethernet and has an IP address, go to app.smarthomeshop.io/start to add the device to your account.

Complete, Wi‑Fi ESPHome, Wi‑Fi

Ready to install

CeilSenseComplete, Wi‑Fi Local firmwareCloud firmware

Factory image for CeilSense (Complete, Wi‑Fi).

  1. Connect the device to your computer with the USB cable.
  2. Click Install firmware and choose the USB port of your device.
  3. Then connect it to your Wi‑Fi with Improv or through its access point.
Important: factory reset Flashing from this page writes the factory firmware image to your device. All current settings, Wi‑Fi credentials, and local configurations on the device will be erased. Make sure you have any required credentials at hand to reconfigure after flashing.
This browser cannot install firmware over USB. Open this page in Chrome or Edge on a computer. This feature requires HTTPS. Please use a secure connection.
This browser cannot install firmware over USB. Open this page in Chrome or Edge on a computer. This feature requires HTTPS. Please use a secure connection.

Next: connect to Home Assistant

After flashing, add the device to Home Assistant through ESPHome. For extra features and ready-made cards, we recommend our official SmartHomeShop integration.

View the Home Assistant guide View the SmartHomeShop integration

Next: link it to the SmartHomeShop app

Once your device is connected to Wi-Fi or Ethernet and has an IP address, go to app.smarthomeshop.io/start to add the device to your account.

Complete, Wi‑Fi + LD2412 ESPHome, Wi‑Fi

Ready to install

CeilSenseComplete, Wi‑Fi + LD2412 Local firmwareCloud firmware

Factory image for CeilSense (Complete, Wi‑Fi) with LD2412.

  1. Connect the device to your computer with the USB cable.
  2. Click Install firmware and choose the USB port of your device.
  3. Then connect it to your Wi‑Fi with Improv or through its access point.
Important: factory reset Flashing from this page writes the factory firmware image to your device. All current settings, Wi‑Fi credentials, and local configurations on the device will be erased. Make sure you have any required credentials at hand to reconfigure after flashing.
This browser cannot install firmware over USB. Open this page in Chrome or Edge on a computer. This feature requires HTTPS. Please use a secure connection.
This browser cannot install firmware over USB. Open this page in Chrome or Edge on a computer. This feature requires HTTPS. Please use a secure connection.

Next: connect to Home Assistant

After flashing, add the device to Home Assistant through ESPHome. For extra features and ready-made cards, we recommend our official SmartHomeShop integration.

View the Home Assistant guide View the SmartHomeShop integration

Next: link it to the SmartHomeShop app

Once your device is connected to Wi-Fi or Ethernet and has an IP address, go to app.smarthomeshop.io/start to add the device to your account.

Complete, Wi‑Fi + LD2450 ESPHome, Wi‑Fi

Ready to install

CeilSenseComplete, Wi‑Fi + LD2450 Local firmwareCloud firmware

Factory image for CeilSense (Complete, Wi‑Fi) with LD2450.

  1. Connect the device to your computer with the USB cable.
  2. Click Install firmware and choose the USB port of your device.
  3. Then connect it to your Wi‑Fi with Improv or through its access point.
Important: factory reset Flashing from this page writes the factory firmware image to your device. All current settings, Wi‑Fi credentials, and local configurations on the device will be erased. Make sure you have any required credentials at hand to reconfigure after flashing.
This browser cannot install firmware over USB. Open this page in Chrome or Edge on a computer. This feature requires HTTPS. Please use a secure connection.
This browser cannot install firmware over USB. Open this page in Chrome or Edge on a computer. This feature requires HTTPS. Please use a secure connection.

Next: connect to Home Assistant

After flashing, add the device to Home Assistant through ESPHome. For extra features and ready-made cards, we recommend our official SmartHomeShop integration.

View the Home Assistant guide View the SmartHomeShop integration

Next: link it to the SmartHomeShop app

Once your device is connected to Wi-Fi or Ethernet and has an IP address, go to app.smarthomeshop.io/start to add the device to your account.

Complete, Ethernet ESPHome, Ethernet

Ready to install

CeilSenseComplete, Ethernet Local firmwareCloud firmware

Factory image for CeilSense (Complete, Ethernet).

  1. Connect the device to your computer with the USB cable.
  2. Click Install firmware and choose the USB port of your device.
  3. Then plug in the network cable: the device gets an IP address automatically.
Important: factory reset Flashing from this page writes the factory firmware image to your device. All current settings, Wi‑Fi credentials, and local configurations on the device will be erased. Make sure you have any required credentials at hand to reconfigure after flashing.
This browser cannot install firmware over USB. Open this page in Chrome or Edge on a computer. This feature requires HTTPS. Please use a secure connection.
This browser cannot install firmware over USB. Open this page in Chrome or Edge on a computer. This feature requires HTTPS. Please use a secure connection.

Next: connect to Home Assistant

After flashing, add the device to Home Assistant through ESPHome. For extra features and ready-made cards, we recommend our official SmartHomeShop integration.

View the Home Assistant guide View the SmartHomeShop integration

Next: link it to the SmartHomeShop app

Once your device is connected to Wi-Fi or Ethernet and has an IP address, go to app.smarthomeshop.io/start to add the device to your account.

Complete, Ethernet + LD2412 ESPHome, Ethernet

Ready to install

CeilSenseComplete, Ethernet + LD2412 Local firmwareCloud firmware

Factory image for CeilSense (Complete, Ethernet) with LD2412.

  1. Connect the device to your computer with the USB cable.
  2. Click Install firmware and choose the USB port of your device.
  3. Then plug in the network cable: the device gets an IP address automatically.
Important: factory reset Flashing from this page writes the factory firmware image to your device. All current settings, Wi‑Fi credentials, and local configurations on the device will be erased. Make sure you have any required credentials at hand to reconfigure after flashing.
This browser cannot install firmware over USB. Open this page in Chrome or Edge on a computer. This feature requires HTTPS. Please use a secure connection.
This browser cannot install firmware over USB. Open this page in Chrome or Edge on a computer. This feature requires HTTPS. Please use a secure connection.

Next: connect to Home Assistant

After flashing, add the device to Home Assistant through ESPHome. For extra features and ready-made cards, we recommend our official SmartHomeShop integration.

View the Home Assistant guide View the SmartHomeShop integration

Next: link it to the SmartHomeShop app

Once your device is connected to Wi-Fi or Ethernet and has an IP address, go to app.smarthomeshop.io/start to add the device to your account.

Complete, Ethernet + LD2450 ESPHome, Ethernet

Ready to install

CeilSenseComplete, Ethernet + LD2450 Local firmwareCloud firmware

Factory image for CeilSense (Complete, Ethernet) with LD2450.

  1. Connect the device to your computer with the USB cable.
  2. Click Install firmware and choose the USB port of your device.
  3. Then plug in the network cable: the device gets an IP address automatically.
Important: factory reset Flashing from this page writes the factory firmware image to your device. All current settings, Wi‑Fi credentials, and local configurations on the device will be erased. Make sure you have any required credentials at hand to reconfigure after flashing.
This browser cannot install firmware over USB. Open this page in Chrome or Edge on a computer. This feature requires HTTPS. Please use a secure connection.
This browser cannot install firmware over USB. Open this page in Chrome or Edge on a computer. This feature requires HTTPS. Please use a secure connection.

Next: connect to Home Assistant

After flashing, add the device to Home Assistant through ESPHome. For extra features and ready-made cards, we recommend our official SmartHomeShop integration.

View the Home Assistant guide View the SmartHomeShop integration

Next: link it to the SmartHomeShop app

Once your device is connected to Wi-Fi or Ethernet and has an IP address, go to app.smarthomeshop.io/start to add the device to your account.

Choose the hardware version

Which hardware version do I have?

Not sure which hardware version you have? You can check this in the sensors of your product in Home Assistant (look for "Hardware Version" or "Product Version"). Or contact us via support.smarthomeshop.io using the email address you used when placing your order.

V1 (Hardware version 1) ESP32-S3, Wi‑Fi
V2 (Hardware version 2) ESP32-C6, standard LD2412 + LD2450

Choose how you use the device

Choose whether you want to use the device only locally with Home Assistant, or also connect it to the SmartHomeShop app. How the app works

This only changes the firmware type. Your Wi-Fi and Ethernet choices below stay the same.

Choose the firmware

Basic ESPHome, Wi‑Fi

Ready to install

UltimateSensor MiniV1 (Hardware version 1)Basic Local firmwareCloud firmware

Factory image for UltimateSensor Mini V1 (Basic, without SPS30, ESP32-S3).

  1. Connect the device to your computer with the USB cable.
  2. Click Install firmware and choose the USB port of your device.
  3. Then connect it to your Wi‑Fi with Improv or through its access point.
Important: factory reset Flashing from this page writes the factory firmware image to your device. All current settings, Wi‑Fi credentials, and local configurations on the device will be erased. Make sure you have any required credentials at hand to reconfigure after flashing.
This browser cannot install firmware over USB. Open this page in Chrome or Edge on a computer. This feature requires HTTPS. Please use a secure connection.
This browser cannot install firmware over USB. Open this page in Chrome or Edge on a computer. This feature requires HTTPS. Please use a secure connection.

Next: connect to Home Assistant

After flashing, add the device to Home Assistant through ESPHome. For extra features and ready-made cards, we recommend our official SmartHomeShop integration.

View the Home Assistant guide View the SmartHomeShop integration

Next: link it to the SmartHomeShop app

Once your device is connected to Wi-Fi or Ethernet and has an IP address, go to app.smarthomeshop.io/start to add the device to your account.

Complete ESPHome, Wi‑Fi

Ready to install

UltimateSensor MiniV1 (Hardware version 1)Complete Local firmwareCloud firmware

Factory image for UltimateSensor Mini V1 (Complete, includes SPS30 particulate sensor, ESP32-S3).

  1. Connect the device to your computer with the USB cable.
  2. Click Install firmware and choose the USB port of your device.
  3. Then connect it to your Wi‑Fi with Improv or through its access point.
Important: factory reset Flashing from this page writes the factory firmware image to your device. All current settings, Wi‑Fi credentials, and local configurations on the device will be erased. Make sure you have any required credentials at hand to reconfigure after flashing.
This browser cannot install firmware over USB. Open this page in Chrome or Edge on a computer. This feature requires HTTPS. Please use a secure connection.
This browser cannot install firmware over USB. Open this page in Chrome or Edge on a computer. This feature requires HTTPS. Please use a secure connection.

Next: connect to Home Assistant

After flashing, add the device to Home Assistant through ESPHome. For extra features and ready-made cards, we recommend our official SmartHomeShop integration.

View the Home Assistant guide View the SmartHomeShop integration

Next: link it to the SmartHomeShop app

Once your device is connected to Wi-Fi or Ethernet and has an IP address, go to app.smarthomeshop.io/start to add the device to your account.

Choose the firmware

Wi‑Fi Basic Standard LD2412 + LD2450

Ready to install

UltimateSensor MiniV2 (Hardware version 2)Wi‑Fi Basic Local firmwareCloud firmware

Standard firmware for UltimateSensor Mini V2 with LD2412 + LD2450 (Wi‑Fi, without SPS30, ESP32-C6).

  1. Connect the device to your computer with the USB cable.
  2. Click Install firmware and choose the USB port of your device.
  3. Then connect it to your Wi‑Fi with Improv or through its access point.
Important: factory reset Flashing from this page writes the factory firmware image to your device. All current settings, Wi‑Fi credentials, and local configurations on the device will be erased. Make sure you have any required credentials at hand to reconfigure after flashing.
This browser cannot install firmware over USB. Open this page in Chrome or Edge on a computer. This feature requires HTTPS. Please use a secure connection.
This browser cannot install firmware over USB. Open this page in Chrome or Edge on a computer. This feature requires HTTPS. Please use a secure connection.

Next: connect to Home Assistant

After flashing, add the device to Home Assistant through ESPHome. For extra features and ready-made cards, we recommend our official SmartHomeShop integration.

View the Home Assistant guide View the SmartHomeShop integration

Want to connect via Thread? Use the dedicated local Thread firmware. You need an existing Thread network and a Thread border router. Open the Thread guide

Next: link it to the SmartHomeShop app

Once your device is connected to Wi-Fi or Ethernet and has an IP address, go to app.smarthomeshop.io/start to add the device to your account.

Wi‑Fi Complete Standard LD2412 + LD2450

Ready to install

UltimateSensor MiniV2 (Hardware version 2)Wi‑Fi Complete Local firmwareCloud firmware

Standard firmware for UltimateSensor Mini V2 with LD2412 + LD2450 (Wi‑Fi, with SPS30, ESP32-C6).

  1. Connect the device to your computer with the USB cable.
  2. Click Install firmware and choose the USB port of your device.
  3. Then connect it to your Wi‑Fi with Improv or through its access point.
Important: factory reset Flashing from this page writes the factory firmware image to your device. All current settings, Wi‑Fi credentials, and local configurations on the device will be erased. Make sure you have any required credentials at hand to reconfigure after flashing.
This browser cannot install firmware over USB. Open this page in Chrome or Edge on a computer. This feature requires HTTPS. Please use a secure connection.
This browser cannot install firmware over USB. Open this page in Chrome or Edge on a computer. This feature requires HTTPS. Please use a secure connection.

Next: connect to Home Assistant

After flashing, add the device to Home Assistant through ESPHome. For extra features and ready-made cards, we recommend our official SmartHomeShop integration.

View the Home Assistant guide View the SmartHomeShop integration

Want to connect via Thread? Use the dedicated local Thread firmware. You need an existing Thread network and a Thread border router. Open the Thread guide

Next: link it to the SmartHomeShop app

Once your device is connected to Wi-Fi or Ethernet and has an IP address, go to app.smarthomeshop.io/start to add the device to your account.

Ethernet Basic Standard LD2412 + LD2450

Ready to install

UltimateSensor MiniV2 (Hardware version 2)Ethernet Basic Local firmwareCloud firmware

Standard firmware for UltimateSensor Mini V2 with LD2412 + LD2450 (Ethernet, without SPS30, ESP32-C6).

  1. Connect the device to your computer with the USB cable.
  2. Click Install firmware and choose the USB port of your device.
  3. Then plug in the network cable: the device gets an IP address automatically.
Important: factory reset Flashing from this page writes the factory firmware image to your device. All current settings, Wi‑Fi credentials, and local configurations on the device will be erased. Make sure you have any required credentials at hand to reconfigure after flashing.
This browser cannot install firmware over USB. Open this page in Chrome or Edge on a computer. This feature requires HTTPS. Please use a secure connection.
This browser cannot install firmware over USB. Open this page in Chrome or Edge on a computer. This feature requires HTTPS. Please use a secure connection.

Next: connect to Home Assistant

After flashing, add the device to Home Assistant through ESPHome. For extra features and ready-made cards, we recommend our official SmartHomeShop integration.

View the Home Assistant guide View the SmartHomeShop integration

Want to connect via Thread? Use the dedicated local Thread firmware. You need an existing Thread network and a Thread border router. Open the Thread guide

Next: link it to the SmartHomeShop app

Once your device is connected to Wi-Fi or Ethernet and has an IP address, go to app.smarthomeshop.io/start to add the device to your account.

Ethernet Complete Standard LD2412 + LD2450

Ready to install

UltimateSensor MiniV2 (Hardware version 2)Ethernet Complete Local firmwareCloud firmware

Standard firmware for UltimateSensor Mini V2 with LD2412 + LD2450 (Ethernet, with SPS30, ESP32-C6).

  1. Connect the device to your computer with the USB cable.
  2. Click Install firmware and choose the USB port of your device.
  3. Then plug in the network cable: the device gets an IP address automatically.
Important: factory reset Flashing from this page writes the factory firmware image to your device. All current settings, Wi‑Fi credentials, and local configurations on the device will be erased. Make sure you have any required credentials at hand to reconfigure after flashing.
This browser cannot install firmware over USB. Open this page in Chrome or Edge on a computer. This feature requires HTTPS. Please use a secure connection.
This browser cannot install firmware over USB. Open this page in Chrome or Edge on a computer. This feature requires HTTPS. Please use a secure connection.

Next: connect to Home Assistant

After flashing, add the device to Home Assistant through ESPHome. For extra features and ready-made cards, we recommend our official SmartHomeShop integration.

View the Home Assistant guide View the SmartHomeShop integration

Want to connect via Thread? Use the dedicated local Thread firmware. You need an existing Thread network and a Thread border router. Open the Thread guide

Next: link it to the SmartHomeShop app

Once your device is connected to Wi-Fi or Ethernet and has an IP address, go to app.smarthomeshop.io/start to add the device to your account.

Wi‑Fi Basic LD2460 LD2460 upgrade

Ready to install

UltimateSensor MiniV2 (Hardware version 2)Wi‑Fi Basic LD2460 Local firmwareCloud firmware

Only use this firmware for the UltimateSensor Mini V2 LD2460 upgrade (Wi‑Fi, without SPS30, ESP32-C6).

  1. Connect the device to your computer with the USB cable.
  2. Click Install firmware and choose the USB port of your device.
  3. Then connect it to your Wi‑Fi with Improv or through its access point.
Important: factory reset Flashing from this page writes the factory firmware image to your device. All current settings, Wi‑Fi credentials, and local configurations on the device will be erased. Make sure you have any required credentials at hand to reconfigure after flashing.
This browser cannot install firmware over USB. Open this page in Chrome or Edge on a computer. This feature requires HTTPS. Please use a secure connection.
This browser cannot install firmware over USB. Open this page in Chrome or Edge on a computer. This feature requires HTTPS. Please use a secure connection.

Next: connect to Home Assistant

After flashing, add the device to Home Assistant through ESPHome. For extra features and ready-made cards, we recommend our official SmartHomeShop integration.

View the Home Assistant guide View the SmartHomeShop integration

Want to connect via Thread? Use the dedicated local Thread firmware. You need an existing Thread network and a Thread border router. Open the Thread guide

Next: link it to the SmartHomeShop app

Once your device is connected to Wi-Fi or Ethernet and has an IP address, go to app.smarthomeshop.io/start to add the device to your account.

Wi‑Fi Complete LD2460 LD2460 upgrade

Ready to install

UltimateSensor MiniV2 (Hardware version 2)Wi‑Fi Complete LD2460 Local firmwareCloud firmware

Only use this firmware for the UltimateSensor Mini V2 LD2460 upgrade (Wi‑Fi, with SPS30, ESP32-C6).

  1. Connect the device to your computer with the USB cable.
  2. Click Install firmware and choose the USB port of your device.
  3. Then connect it to your Wi‑Fi with Improv or through its access point.
Important: factory reset Flashing from this page writes the factory firmware image to your device. All current settings, Wi‑Fi credentials, and local configurations on the device will be erased. Make sure you have any required credentials at hand to reconfigure after flashing.
This browser cannot install firmware over USB. Open this page in Chrome or Edge on a computer. This feature requires HTTPS. Please use a secure connection.
This browser cannot install firmware over USB. Open this page in Chrome or Edge on a computer. This feature requires HTTPS. Please use a secure connection.

Next: connect to Home Assistant

After flashing, add the device to Home Assistant through ESPHome. For extra features and ready-made cards, we recommend our official SmartHomeShop integration.

View the Home Assistant guide View the SmartHomeShop integration

Want to connect via Thread? Use the dedicated local Thread firmware. You need an existing Thread network and a Thread border router. Open the Thread guide

Next: link it to the SmartHomeShop app

Once your device is connected to Wi-Fi or Ethernet and has an IP address, go to app.smarthomeshop.io/start to add the device to your account.

Ethernet Basic LD2460 LD2460 upgrade

Ready to install

UltimateSensor MiniV2 (Hardware version 2)Ethernet Basic LD2460 Local firmwareCloud firmware

Only use this firmware for the UltimateSensor Mini V2 LD2460 upgrade (Ethernet, without SPS30, ESP32-C6).

  1. Connect the device to your computer with the USB cable.
  2. Click Install firmware and choose the USB port of your device.
  3. Then plug in the network cable: the device gets an IP address automatically.
Important: factory reset Flashing from this page writes the factory firmware image to your device. All current settings, Wi‑Fi credentials, and local configurations on the device will be erased. Make sure you have any required credentials at hand to reconfigure after flashing.
This browser cannot install firmware over USB. Open this page in Chrome or Edge on a computer. This feature requires HTTPS. Please use a secure connection.
This browser cannot install firmware over USB. Open this page in Chrome or Edge on a computer. This feature requires HTTPS. Please use a secure connection.

Next: connect to Home Assistant

After flashing, add the device to Home Assistant through ESPHome. For extra features and ready-made cards, we recommend our official SmartHomeShop integration.

View the Home Assistant guide View the SmartHomeShop integration

Want to connect via Thread? Use the dedicated local Thread firmware. You need an existing Thread network and a Thread border router. Open the Thread guide

Next: link it to the SmartHomeShop app

Once your device is connected to Wi-Fi or Ethernet and has an IP address, go to app.smarthomeshop.io/start to add the device to your account.

Ethernet Complete LD2460 LD2460 upgrade

Ready to install

UltimateSensor MiniV2 (Hardware version 2)Ethernet Complete LD2460 Local firmwareCloud firmware

Only use this firmware for the UltimateSensor Mini V2 LD2460 upgrade (Ethernet, with SPS30, ESP32-C6).

  1. Connect the device to your computer with the USB cable.
  2. Click Install firmware and choose the USB port of your device.
  3. Then plug in the network cable: the device gets an IP address automatically.
Important: factory reset Flashing from this page writes the factory firmware image to your device. All current settings, Wi‑Fi credentials, and local configurations on the device will be erased. Make sure you have any required credentials at hand to reconfigure after flashing.
This browser cannot install firmware over USB. Open this page in Chrome or Edge on a computer. This feature requires HTTPS. Please use a secure connection.
This browser cannot install firmware over USB. Open this page in Chrome or Edge on a computer. This feature requires HTTPS. Please use a secure connection.

Next: connect to Home Assistant

After flashing, add the device to Home Assistant through ESPHome. For extra features and ready-made cards, we recommend our official SmartHomeShop integration.

View the Home Assistant guide View the SmartHomeShop integration

Want to connect via Thread? Use the dedicated local Thread firmware. You need an existing Thread network and a Thread border router. Open the Thread guide

Next: link it to the SmartHomeShop app

Once your device is connected to Wi-Fi or Ethernet and has an IP address, go to app.smarthomeshop.io/start to add the device to your account.

Choose the hardware version

Which hardware version do I have?

Not sure which hardware version you have? You can check this in the sensors of your product in Home Assistant (look for "Hardware Version" or "Product Version"). Or contact us via support.smarthomeshop.io using the email address you used when placing your order.

V1 (legacy firmware) ESP32, Wi‑Fi or Ethernet
V2 (Hardware version 2) Standard LD2412 + LD2450, PIR, microphone, speaker and voice assistant

Choose how you use the device

Choose whether you want to use the device only locally with Home Assistant, or also connect it to the SmartHomeShop app. How the app works

This only changes the firmware type. Your Wi-Fi and Ethernet choices below stay the same.

Choose the firmware

Wi‑Fi Basic Legacy firmware

Ready to install

UltimateSensorV1 (legacy firmware)Wi‑Fi Basic Local firmwareCloud firmware

Factory image for UltimateSensor V1/legacy (Wi‑Fi, without SPS30).

  1. Connect the device to your computer with the USB cable.
  2. Click Install firmware and choose the USB port of your device.
  3. Then connect it to your Wi‑Fi with Improv or through its access point.
Important: factory reset Flashing from this page writes the factory firmware image to your device. All current settings, Wi‑Fi credentials, and local configurations on the device will be erased. Make sure you have any required credentials at hand to reconfigure after flashing.
This browser cannot install firmware over USB. Open this page in Chrome or Edge on a computer. This feature requires HTTPS. Please use a secure connection.
This browser cannot install firmware over USB. Open this page in Chrome or Edge on a computer. This feature requires HTTPS. Please use a secure connection.

Next: connect to Home Assistant

After flashing, add the device to Home Assistant through ESPHome. For extra features and ready-made cards, we recommend our official SmartHomeShop integration.

View the Home Assistant guide View the SmartHomeShop integration

Next: link it to the SmartHomeShop app

Once your device is connected to Wi-Fi or Ethernet and has an IP address, go to app.smarthomeshop.io/start to add the device to your account.

Wi‑Fi Complete Legacy firmware

Ready to install

UltimateSensorV1 (legacy firmware)Wi‑Fi Complete Local firmwareCloud firmware

Factory image for UltimateSensor V1/legacy (Wi‑Fi, with SPS30).

  1. Connect the device to your computer with the USB cable.
  2. Click Install firmware and choose the USB port of your device.
  3. Then connect it to your Wi‑Fi with Improv or through its access point.
Important: factory reset Flashing from this page writes the factory firmware image to your device. All current settings, Wi‑Fi credentials, and local configurations on the device will be erased. Make sure you have any required credentials at hand to reconfigure after flashing.
This browser cannot install firmware over USB. Open this page in Chrome or Edge on a computer. This feature requires HTTPS. Please use a secure connection.
This browser cannot install firmware over USB. Open this page in Chrome or Edge on a computer. This feature requires HTTPS. Please use a secure connection.

Next: connect to Home Assistant

After flashing, add the device to Home Assistant through ESPHome. For extra features and ready-made cards, we recommend our official SmartHomeShop integration.

View the Home Assistant guide View the SmartHomeShop integration

Next: link it to the SmartHomeShop app

Once your device is connected to Wi-Fi or Ethernet and has an IP address, go to app.smarthomeshop.io/start to add the device to your account.

Ethernet Basic Legacy firmware

Ready to install

UltimateSensorV1 (legacy firmware)Ethernet Basic Local firmwareCloud firmware

Factory image for UltimateSensor V1/legacy (Ethernet, without SPS30).

  1. Connect the device to your computer with the USB cable.
  2. Click Install firmware and choose the USB port of your device.
  3. Then plug in the network cable: the device gets an IP address automatically.
Important: factory reset Flashing from this page writes the factory firmware image to your device. All current settings, Wi‑Fi credentials, and local configurations on the device will be erased. Make sure you have any required credentials at hand to reconfigure after flashing.
This browser cannot install firmware over USB. Open this page in Chrome or Edge on a computer. This feature requires HTTPS. Please use a secure connection.
This browser cannot install firmware over USB. Open this page in Chrome or Edge on a computer. This feature requires HTTPS. Please use a secure connection.

Next: connect to Home Assistant

After flashing, add the device to Home Assistant through ESPHome. For extra features and ready-made cards, we recommend our official SmartHomeShop integration.

View the Home Assistant guide View the SmartHomeShop integration

Next: link it to the SmartHomeShop app

Once your device is connected to Wi-Fi or Ethernet and has an IP address, go to app.smarthomeshop.io/start to add the device to your account.

Ethernet Complete Legacy firmware

Ready to install

UltimateSensorV1 (legacy firmware)Ethernet Complete Local firmwareCloud firmware

Factory image for UltimateSensor V1/legacy (Ethernet, with SPS30).

  1. Connect the device to your computer with the USB cable.
  2. Click Install firmware and choose the USB port of your device.
  3. Then plug in the network cable: the device gets an IP address automatically.
Important: factory reset Flashing from this page writes the factory firmware image to your device. All current settings, Wi‑Fi credentials, and local configurations on the device will be erased. Make sure you have any required credentials at hand to reconfigure after flashing.
This browser cannot install firmware over USB. Open this page in Chrome or Edge on a computer. This feature requires HTTPS. Please use a secure connection.
This browser cannot install firmware over USB. Open this page in Chrome or Edge on a computer. This feature requires HTTPS. Please use a secure connection.

Next: connect to Home Assistant

After flashing, add the device to Home Assistant through ESPHome. For extra features and ready-made cards, we recommend our official SmartHomeShop integration.

View the Home Assistant guide View the SmartHomeShop integration

Next: link it to the SmartHomeShop app

Once your device is connected to Wi-Fi or Ethernet and has an IP address, go to app.smarthomeshop.io/start to add the device to your account.

Choose the firmware

Wi‑Fi Basic Standard LD2412 + LD2450

Ready to install

UltimateSensorV2 (Hardware version 2)Wi‑Fi Basic Local firmwareCloud firmware

Standard firmware for UltimateSensor V2 with LD2412 + LD2450, PIR, microphone, speaker and voice assistant (Wi‑Fi, without SPS30).

  1. Connect the device to your computer with the USB cable.
  2. Click Install firmware and choose the USB port of your device.
  3. Then connect it to your Wi‑Fi with Improv or through its access point.
Important: factory reset Flashing from this page writes the factory firmware image to your device. All current settings, Wi‑Fi credentials, and local configurations on the device will be erased. Make sure you have any required credentials at hand to reconfigure after flashing.
This browser cannot install firmware over USB. Open this page in Chrome or Edge on a computer. This feature requires HTTPS. Please use a secure connection.
This browser cannot install firmware over USB. Open this page in Chrome or Edge on a computer. This feature requires HTTPS. Please use a secure connection.

Next: connect to Home Assistant

After flashing, add the device to Home Assistant through ESPHome. For extra features and ready-made cards, we recommend our official SmartHomeShop integration.

View the Home Assistant guide View the SmartHomeShop integration

Next: link it to the SmartHomeShop app

Once your device is connected to Wi-Fi or Ethernet and has an IP address, go to app.smarthomeshop.io/start to add the device to your account.

Wi‑Fi Complete Standard LD2412 + LD2450

Ready to install

UltimateSensorV2 (Hardware version 2)Wi‑Fi Complete Local firmwareCloud firmware

Standard firmware for UltimateSensor V2 with LD2412 + LD2450, PIR, microphone, speaker and voice assistant (Wi‑Fi, with SPS30).

  1. Connect the device to your computer with the USB cable.
  2. Click Install firmware and choose the USB port of your device.
  3. Then connect it to your Wi‑Fi with Improv or through its access point.
Important: factory reset Flashing from this page writes the factory firmware image to your device. All current settings, Wi‑Fi credentials, and local configurations on the device will be erased. Make sure you have any required credentials at hand to reconfigure after flashing.
This browser cannot install firmware over USB. Open this page in Chrome or Edge on a computer. This feature requires HTTPS. Please use a secure connection.
This browser cannot install firmware over USB. Open this page in Chrome or Edge on a computer. This feature requires HTTPS. Please use a secure connection.

Next: connect to Home Assistant

After flashing, add the device to Home Assistant through ESPHome. For extra features and ready-made cards, we recommend our official SmartHomeShop integration.

View the Home Assistant guide View the SmartHomeShop integration

Next: link it to the SmartHomeShop app

Once your device is connected to Wi-Fi or Ethernet and has an IP address, go to app.smarthomeshop.io/start to add the device to your account.

Ethernet Basic Standard LD2412 + LD2450

Ready to install

UltimateSensorV2 (Hardware version 2)Ethernet Basic Local firmwareCloud firmware

Standard firmware for UltimateSensor V2 with LD2412 + LD2450, PIR, microphone, speaker and voice assistant (Ethernet, without SPS30).

  1. Connect the device to your computer with the USB cable.
  2. Click Install firmware and choose the USB port of your device.
  3. Then plug in the network cable: the device gets an IP address automatically.
Important: factory reset Flashing from this page writes the factory firmware image to your device. All current settings, Wi‑Fi credentials, and local configurations on the device will be erased. Make sure you have any required credentials at hand to reconfigure after flashing.
This browser cannot install firmware over USB. Open this page in Chrome or Edge on a computer. This feature requires HTTPS. Please use a secure connection.
This browser cannot install firmware over USB. Open this page in Chrome or Edge on a computer. This feature requires HTTPS. Please use a secure connection.

Next: connect to Home Assistant

After flashing, add the device to Home Assistant through ESPHome. For extra features and ready-made cards, we recommend our official SmartHomeShop integration.

View the Home Assistant guide View the SmartHomeShop integration

Next: link it to the SmartHomeShop app

Once your device is connected to Wi-Fi or Ethernet and has an IP address, go to app.smarthomeshop.io/start to add the device to your account.

Ethernet Complete Standard LD2412 + LD2450

Ready to install

UltimateSensorV2 (Hardware version 2)Ethernet Complete Local firmwareCloud firmware

Standard firmware for UltimateSensor V2 with LD2412 + LD2450, PIR, microphone, speaker and voice assistant (Ethernet, with SPS30).

  1. Connect the device to your computer with the USB cable.
  2. Click Install firmware and choose the USB port of your device.
  3. Then plug in the network cable: the device gets an IP address automatically.
Important: factory reset Flashing from this page writes the factory firmware image to your device. All current settings, Wi‑Fi credentials, and local configurations on the device will be erased. Make sure you have any required credentials at hand to reconfigure after flashing.
This browser cannot install firmware over USB. Open this page in Chrome or Edge on a computer. This feature requires HTTPS. Please use a secure connection.
This browser cannot install firmware over USB. Open this page in Chrome or Edge on a computer. This feature requires HTTPS. Please use a secure connection.

Next: connect to Home Assistant

After flashing, add the device to Home Assistant through ESPHome. For extra features and ready-made cards, we recommend our official SmartHomeShop integration.

View the Home Assistant guide View the SmartHomeShop integration

Next: link it to the SmartHomeShop app

Once your device is connected to Wi-Fi or Ethernet and has an IP address, go to app.smarthomeshop.io/start to add the device to your account.

Wi‑Fi Basic LD2460 LD2460 upgrade

Ready to install

UltimateSensorV2 (Hardware version 2)Wi‑Fi Basic LD2460 Local firmwareCloud firmware

Only use this firmware for the UltimateSensor V2 LD2460 upgrade with PIR, microphone, speaker and voice assistant (Wi‑Fi, without SPS30).

  1. Connect the device to your computer with the USB cable.
  2. Click Install firmware and choose the USB port of your device.
  3. Then connect it to your Wi‑Fi with Improv or through its access point.
Important: factory reset Flashing from this page writes the factory firmware image to your device. All current settings, Wi‑Fi credentials, and local configurations on the device will be erased. Make sure you have any required credentials at hand to reconfigure after flashing.
This browser cannot install firmware over USB. Open this page in Chrome or Edge on a computer. This feature requires HTTPS. Please use a secure connection.
This browser cannot install firmware over USB. Open this page in Chrome or Edge on a computer. This feature requires HTTPS. Please use a secure connection.

Next: connect to Home Assistant

After flashing, add the device to Home Assistant through ESPHome. For extra features and ready-made cards, we recommend our official SmartHomeShop integration.

View the Home Assistant guide View the SmartHomeShop integration

Next: link it to the SmartHomeShop app

Once your device is connected to Wi-Fi or Ethernet and has an IP address, go to app.smarthomeshop.io/start to add the device to your account.

Wi‑Fi Complete LD2460 LD2460 upgrade

Ready to install

UltimateSensorV2 (Hardware version 2)Wi‑Fi Complete LD2460 Local firmwareCloud firmware

Only use this firmware for the UltimateSensor V2 LD2460 upgrade with PIR, microphone, speaker and voice assistant (Wi‑Fi, with SPS30).

  1. Connect the device to your computer with the USB cable.
  2. Click Install firmware and choose the USB port of your device.
  3. Then connect it to your Wi‑Fi with Improv or through its access point.
Important: factory reset Flashing from this page writes the factory firmware image to your device. All current settings, Wi‑Fi credentials, and local configurations on the device will be erased. Make sure you have any required credentials at hand to reconfigure after flashing.
This browser cannot install firmware over USB. Open this page in Chrome or Edge on a computer. This feature requires HTTPS. Please use a secure connection.
This browser cannot install firmware over USB. Open this page in Chrome or Edge on a computer. This feature requires HTTPS. Please use a secure connection.

Next: connect to Home Assistant

After flashing, add the device to Home Assistant through ESPHome. For extra features and ready-made cards, we recommend our official SmartHomeShop integration.

View the Home Assistant guide View the SmartHomeShop integration

Next: link it to the SmartHomeShop app

Once your device is connected to Wi-Fi or Ethernet and has an IP address, go to app.smarthomeshop.io/start to add the device to your account.

Ethernet Basic LD2460 LD2460 upgrade

Ready to install

UltimateSensorV2 (Hardware version 2)Ethernet Basic LD2460 Local firmwareCloud firmware

Only use this firmware for the UltimateSensor V2 LD2460 upgrade with PIR, microphone, speaker and voice assistant (Ethernet, without SPS30).

  1. Connect the device to your computer with the USB cable.
  2. Click Install firmware and choose the USB port of your device.
  3. Then plug in the network cable: the device gets an IP address automatically.
Important: factory reset Flashing from this page writes the factory firmware image to your device. All current settings, Wi‑Fi credentials, and local configurations on the device will be erased. Make sure you have any required credentials at hand to reconfigure after flashing.
This browser cannot install firmware over USB. Open this page in Chrome or Edge on a computer. This feature requires HTTPS. Please use a secure connection.
This browser cannot install firmware over USB. Open this page in Chrome or Edge on a computer. This feature requires HTTPS. Please use a secure connection.

Next: connect to Home Assistant

After flashing, add the device to Home Assistant through ESPHome. For extra features and ready-made cards, we recommend our official SmartHomeShop integration.

View the Home Assistant guide View the SmartHomeShop integration

Next: link it to the SmartHomeShop app

Once your device is connected to Wi-Fi or Ethernet and has an IP address, go to app.smarthomeshop.io/start to add the device to your account.

Ethernet Complete LD2460 LD2460 upgrade

Ready to install

UltimateSensorV2 (Hardware version 2)Ethernet Complete LD2460 Local firmwareCloud firmware

Only use this firmware for the UltimateSensor V2 LD2460 upgrade with PIR, microphone, speaker and voice assistant (Ethernet, with SPS30).

  1. Connect the device to your computer with the USB cable.
  2. Click Install firmware and choose the USB port of your device.
  3. Then plug in the network cable: the device gets an IP address automatically.
Important: factory reset Flashing from this page writes the factory firmware image to your device. All current settings, Wi‑Fi credentials, and local configurations on the device will be erased. Make sure you have any required credentials at hand to reconfigure after flashing.
This browser cannot install firmware over USB. Open this page in Chrome or Edge on a computer. This feature requires HTTPS. Please use a secure connection.
This browser cannot install firmware over USB. Open this page in Chrome or Edge on a computer. This feature requires HTTPS. Please use a secure connection.

Next: connect to Home Assistant

After flashing, add the device to Home Assistant through ESPHome. For extra features and ready-made cards, we recommend our official SmartHomeShop integration.

View the Home Assistant guide View the SmartHomeShop integration

Next: link it to the SmartHomeShop app

Once your device is connected to Wi-Fi or Ethernet and has an IP address, go to app.smarthomeshop.io/start to add the device to your account.

Choose the hardware version

Which hardware version do I have?

Not sure which hardware version you have? You can check this in the sensors of your product in Home Assistant (look for "Hardware Version" or "Product Version"). Or contact us via support.smarthomeshop.io using the email address you used when placing your order.

V1 (Hardware version 1) ESP8266, Wi‑Fi
V2 (Hardware version 2) ESP32-C3, Wi‑Fi
V3 (Hardware version 3) ESP32-C6, Wi‑Fi

Choose how you use the device

Choose whether you want to use the device only locally with Home Assistant, or also connect it to the SmartHomeShop app. How the app works

This only changes the firmware type. Your Wi-Fi and Ethernet choices below stay the same.

Choose the firmware

Wi‑Fi ESPHome, Wi‑Fi

Ready to install

P1MeterKitV1 (Hardware version 1)Wi‑Fi Local firmwareCloud firmware

Factory image for P1MeterKit V1 (Wi‑Fi, ESP8266).

  1. Connect the device to your computer with the USB cable.
  2. Click Install firmware and choose the USB port of your device.
  3. Then connect it to your Wi‑Fi with Improv or through its access point.
Important: factory reset Flashing from this page writes the factory firmware image to your device. All current settings, Wi‑Fi credentials, and local configurations on the device will be erased. Make sure you have any required credentials at hand to reconfigure after flashing.
This browser cannot install firmware over USB. Open this page in Chrome or Edge on a computer. This feature requires HTTPS. Please use a secure connection.
This browser cannot install firmware over USB. Open this page in Chrome or Edge on a computer. This feature requires HTTPS. Please use a secure connection.

Next: connect to Home Assistant

After flashing, add the device to Home Assistant through ESPHome. For extra features and ready-made cards, we recommend our official SmartHomeShop integration.

View the Home Assistant guide View the SmartHomeShop integration

Next: link it to the SmartHomeShop app

Once your device is connected to Wi-Fi or Ethernet and has an IP address, go to app.smarthomeshop.io/start to add the device to your account.

Choose the firmware

Wi‑Fi ESPHome, Wi‑Fi

Ready to install

P1MeterKitV2 (Hardware version 2)Wi‑Fi Local firmwareCloud firmware

Factory image for P1MeterKit V2 (Wi‑Fi, ESP32-C3).

  1. Connect the device to your computer with the USB cable.
  2. Click Install firmware and choose the USB port of your device.
  3. Then connect it to your Wi‑Fi with Improv or through its access point.
Important: factory reset Flashing from this page writes the factory firmware image to your device. All current settings, Wi‑Fi credentials, and local configurations on the device will be erased. Make sure you have any required credentials at hand to reconfigure after flashing.
This browser cannot install firmware over USB. Open this page in Chrome or Edge on a computer. This feature requires HTTPS. Please use a secure connection.
This browser cannot install firmware over USB. Open this page in Chrome or Edge on a computer. This feature requires HTTPS. Please use a secure connection.

Next: connect to Home Assistant

After flashing, add the device to Home Assistant through ESPHome. For extra features and ready-made cards, we recommend our official SmartHomeShop integration.

View the Home Assistant guide View the SmartHomeShop integration

Next: link it to the SmartHomeShop app

Once your device is connected to Wi-Fi or Ethernet and has an IP address, go to app.smarthomeshop.io/start to add the device to your account.

Choose the firmware

Wi‑Fi ESPHome, Wi‑Fi

Ready to install

P1MeterKitV3 (Hardware version 3)Wi‑Fi Local firmwareCloud firmware

Factory image for P1MeterKit V3 (Wi‑Fi, ESP32-C6).

  1. Connect the device to your computer with the USB cable.
  2. Click Install firmware and choose the USB port of your device.
  3. Then connect it to your Wi‑Fi with Improv or through its access point.
Important: factory reset Flashing from this page writes the factory firmware image to your device. All current settings, Wi‑Fi credentials, and local configurations on the device will be erased. Make sure you have any required credentials at hand to reconfigure after flashing.
This browser cannot install firmware over USB. Open this page in Chrome or Edge on a computer. This feature requires HTTPS. Please use a secure connection.
This browser cannot install firmware over USB. Open this page in Chrome or Edge on a computer. This feature requires HTTPS. Please use a secure connection.

Next: connect to Home Assistant

After flashing, add the device to Home Assistant through ESPHome. For extra features and ready-made cards, we recommend our official SmartHomeShop integration.

View the Home Assistant guide View the SmartHomeShop integration

Want to connect via Thread? Use the dedicated local Thread firmware. You need an existing Thread network and a Thread border router. Open the Thread guide

Next: link it to the SmartHomeShop app

Once your device is connected to Wi-Fi or Ethernet and has an IP address, go to app.smarthomeshop.io/start to add the device to your account.

Choose the hardware version

Which hardware version do I have?

Not sure which hardware version you have? You can check this in the sensors of your product in Home Assistant (look for "Hardware Version" or "Product Version"). Or contact us via support.smarthomeshop.io using the email address you used when placing your order.

V1 (Hardware version 1) ESP8266, Wi‑Fi
V2 (Hardware version 2) ESP8266, Wi‑Fi
V3 (Hardware version 3) ESP32-C6, Wi‑Fi

Choose how you use the device

Choose whether you want to use the device only locally with Home Assistant, or also connect it to the SmartHomeShop app. How the app works

This only changes the firmware type. Your Wi-Fi and Ethernet choices below stay the same.

Choose the firmware

Wi‑Fi ESPHome, Wi‑Fi

Ready to install

WaterMeterKitV1 (Hardware version 1)Wi‑Fi Local firmwareCloud firmware

Factory image for WaterMeterKit V1 (Wi‑Fi).

  1. Connect the device to your computer with the USB cable.
  2. Click Install firmware and choose the USB port of your device.
  3. Then connect it to your Wi‑Fi with Improv or through its access point.
Important: factory reset Flashing from this page writes the factory firmware image to your device. All current settings, Wi‑Fi credentials, and local configurations on the device will be erased. Make sure you have any required credentials at hand to reconfigure after flashing.
This browser cannot install firmware over USB. Open this page in Chrome or Edge on a computer. This feature requires HTTPS. Please use a secure connection.
This browser cannot install firmware over USB. Open this page in Chrome or Edge on a computer. This feature requires HTTPS. Please use a secure connection.

Next: connect to Home Assistant

After flashing, add the device to Home Assistant through ESPHome. For extra features and ready-made cards, we recommend our official SmartHomeShop integration.

View the Home Assistant guide View the SmartHomeShop integration

Next: link it to the SmartHomeShop app

Once your device is connected to Wi-Fi or Ethernet and has an IP address, go to app.smarthomeshop.io/start to add the device to your account.

Choose the firmware

Wi‑Fi ESPHome, Wi‑Fi

Ready to install

WaterMeterKitV2 (Hardware version 2)Wi‑Fi Local firmwareCloud firmware

Factory image for WaterMeterKit V2 (Wi‑Fi, ESP8266).

  1. Connect the device to your computer with the USB cable.
  2. Click Install firmware and choose the USB port of your device.
  3. Then connect it to your Wi‑Fi with Improv or through its access point.
Important: factory reset Flashing from this page writes the factory firmware image to your device. All current settings, Wi‑Fi credentials, and local configurations on the device will be erased. Make sure you have any required credentials at hand to reconfigure after flashing.
This browser cannot install firmware over USB. Open this page in Chrome or Edge on a computer. This feature requires HTTPS. Please use a secure connection.
This browser cannot install firmware over USB. Open this page in Chrome or Edge on a computer. This feature requires HTTPS. Please use a secure connection.

Next: connect to Home Assistant

After flashing, add the device to Home Assistant through ESPHome. For extra features and ready-made cards, we recommend our official SmartHomeShop integration.

View the Home Assistant guide View the SmartHomeShop integration

Next: link it to the SmartHomeShop app

Once your device is connected to Wi-Fi or Ethernet and has an IP address, go to app.smarthomeshop.io/start to add the device to your account.

Choose the firmware

Wi‑Fi ESPHome, Wi‑Fi

Ready to install

WaterMeterKitV3 (Hardware version 3)Wi‑Fi Local firmwareCloud firmware

Factory image for WaterMeterKit V3 (Wi‑Fi, ESP32-C6).

  1. Connect the device to your computer with the USB cable.
  2. Click Install firmware and choose the USB port of your device.
  3. Then connect it to your Wi‑Fi with Improv or through its access point.
Important: factory reset Flashing from this page writes the factory firmware image to your device. All current settings, Wi‑Fi credentials, and local configurations on the device will be erased. Make sure you have any required credentials at hand to reconfigure after flashing.
This browser cannot install firmware over USB. Open this page in Chrome or Edge on a computer. This feature requires HTTPS. Please use a secure connection.
This browser cannot install firmware over USB. Open this page in Chrome or Edge on a computer. This feature requires HTTPS. Please use a secure connection.

Next: connect to Home Assistant

After flashing, add the device to Home Assistant through ESPHome. For extra features and ready-made cards, we recommend our official SmartHomeShop integration.

View the Home Assistant guide View the SmartHomeShop integration

Want to connect via Thread? Use the dedicated local Thread firmware. You need an existing Thread network and a Thread border router. Open the Thread guide

Next: link it to the SmartHomeShop app

Once your device is connected to Wi-Fi or Ethernet and has an IP address, go to app.smarthomeshop.io/start to add the device to your account.

Choose the hardware version

Which hardware version do I have?

Not sure which hardware version you have? You can check this in the sensors of your product in Home Assistant (look for "Hardware Version" or "Product Version"). Or contact us via support.smarthomeshop.io using the email address you used when placing your order.

V1 (Hardware version 1) Wi‑Fi
V2 (Hardware version 2) Wi‑Fi or Ethernet

Choose how you use the device

Choose whether you want to use the device only locally with Home Assistant, or also connect it to the SmartHomeShop app. How the app works

This only changes the firmware type. Your Wi-Fi and Ethernet choices below stay the same.

Choose the firmware

Wi‑Fi ESPHome, Wi‑Fi

Ready to install

WaterFlowKitV1 (Hardware version 1)Wi‑Fi Local firmwareCloud firmware

Factory image for WaterFlowKit V1 (Wi‑Fi).

  1. Connect the device to your computer with the USB cable.
  2. Click Install firmware and choose the USB port of your device.
  3. Then connect it to your Wi‑Fi with Improv or through its access point.
Important: factory reset Flashing from this page writes the factory firmware image to your device. All current settings, Wi‑Fi credentials, and local configurations on the device will be erased. Make sure you have any required credentials at hand to reconfigure after flashing.
This browser cannot install firmware over USB. Open this page in Chrome or Edge on a computer. This feature requires HTTPS. Please use a secure connection.
This browser cannot install firmware over USB. Open this page in Chrome or Edge on a computer. This feature requires HTTPS. Please use a secure connection.

Next: connect to Home Assistant

After flashing, add the device to Home Assistant through ESPHome. For extra features and ready-made cards, we recommend our official SmartHomeShop integration.

View the Home Assistant guide View the SmartHomeShop integration

Next: link it to the SmartHomeShop app

Once your device is connected to Wi-Fi or Ethernet and has an IP address, go to app.smarthomeshop.io/start to add the device to your account.

Choose the firmware

Wi‑Fi ESPHome, Wi‑Fi

Ready to install

WaterFlowKitV2 (Hardware version 2)Wi‑Fi Local firmwareCloud firmware

Factory image for WaterFlowKit V2 (Wi‑Fi).

  1. Connect the device to your computer with the USB cable.
  2. Click Install firmware and choose the USB port of your device.
  3. Then connect it to your Wi‑Fi with Improv or through its access point.
Important: factory reset Flashing from this page writes the factory firmware image to your device. All current settings, Wi‑Fi credentials, and local configurations on the device will be erased. Make sure you have any required credentials at hand to reconfigure after flashing.
This browser cannot install firmware over USB. Open this page in Chrome or Edge on a computer. This feature requires HTTPS. Please use a secure connection.
This browser cannot install firmware over USB. Open this page in Chrome or Edge on a computer. This feature requires HTTPS. Please use a secure connection.

Next: connect to Home Assistant

After flashing, add the device to Home Assistant through ESPHome. For extra features and ready-made cards, we recommend our official SmartHomeShop integration.

View the Home Assistant guide View the SmartHomeShop integration

Want to connect via Thread? Use the dedicated local Thread firmware. You need an existing Thread network and a Thread border router. Open the Thread guide

Next: link it to the SmartHomeShop app

Once your device is connected to Wi-Fi or Ethernet and has an IP address, go to app.smarthomeshop.io/start to add the device to your account.

Ethernet ESPHome, Ethernet

Ready to install

WaterFlowKitV2 (Hardware version 2)Ethernet Local firmwareCloud firmware

Factory image for WaterFlowKit V2 (Ethernet).

  1. Connect the device to your computer with the USB cable.
  2. Click Install firmware and choose the USB port of your device.
  3. Then plug in the network cable: the device gets an IP address automatically.
Important: factory reset Flashing from this page writes the factory firmware image to your device. All current settings, Wi‑Fi credentials, and local configurations on the device will be erased. Make sure you have any required credentials at hand to reconfigure after flashing.
This browser cannot install firmware over USB. Open this page in Chrome or Edge on a computer. This feature requires HTTPS. Please use a secure connection.
This browser cannot install firmware over USB. Open this page in Chrome or Edge on a computer. This feature requires HTTPS. Please use a secure connection.

Next: connect to Home Assistant

After flashing, add the device to Home Assistant through ESPHome. For extra features and ready-made cards, we recommend our official SmartHomeShop integration.

View the Home Assistant guide View the SmartHomeShop integration

Want to connect via Thread? Use the dedicated local Thread firmware. You need an existing Thread network and a Thread border router. Open the Thread guide

Next: link it to the SmartHomeShop app

Once your device is connected to Wi-Fi or Ethernet and has an IP address, go to app.smarthomeshop.io/start to add the device to your account.

Choose the hardware version

Which hardware version do I have?

Not sure which hardware version you have? You can check this in the sensors of your product in Home Assistant (look for "Hardware Version" or "Product Version"). Or contact us via support.smarthomeshop.io using the email address you used when placing your order.

V1 (Hardware version 1) ESP32, Wi‑Fi or Ethernet
V2 (Hardware version 2) ESP32, Wi‑Fi or Ethernet
V3 (Hardware version 3) ESP32, Wi‑Fi or Ethernet
V4 (Hardware version 4) ESP32-C6, Wi‑Fi or Ethernet

Choose how you use the device

Choose whether you want to use the device only locally with Home Assistant, or also connect it to the SmartHomeShop app. How the app works

This only changes the firmware type. Your Wi-Fi and Ethernet choices below stay the same.

Choose the firmware

Wi‑Fi ESPHome, Wi‑Fi

Ready to install

WaterP1MeterKitV1 (Hardware version 1)Wi‑Fi Local firmwareCloud firmware

Factory image for WaterP1MeterKit V1 (Wi‑Fi, ESP32).

  1. Connect the device to your computer with the USB cable.
  2. Click Install firmware and choose the USB port of your device.
  3. Then connect it to your Wi‑Fi with Improv or through its access point.
Important: factory reset Flashing from this page writes the factory firmware image to your device. All current settings, Wi‑Fi credentials, and local configurations on the device will be erased. Make sure you have any required credentials at hand to reconfigure after flashing.
This browser cannot install firmware over USB. Open this page in Chrome or Edge on a computer. This feature requires HTTPS. Please use a secure connection.
This browser cannot install firmware over USB. Open this page in Chrome or Edge on a computer. This feature requires HTTPS. Please use a secure connection.

Next: connect to Home Assistant

After flashing, add the device to Home Assistant through ESPHome. For extra features and ready-made cards, we recommend our official SmartHomeShop integration.

View the Home Assistant guide View the SmartHomeShop integration

Next: link it to the SmartHomeShop app

Once your device is connected to Wi-Fi or Ethernet and has an IP address, go to app.smarthomeshop.io/start to add the device to your account.

Ethernet ESPHome, Ethernet

Ready to install

WaterP1MeterKitV1 (Hardware version 1)Ethernet Local firmwareCloud firmware

Factory image for WaterP1MeterKit V1 (Ethernet, ESP32).

  1. Connect the device to your computer with the USB cable.
  2. Click Install firmware and choose the USB port of your device.
  3. Then plug in the network cable: the device gets an IP address automatically.
Important: factory reset Flashing from this page writes the factory firmware image to your device. All current settings, Wi‑Fi credentials, and local configurations on the device will be erased. Make sure you have any required credentials at hand to reconfigure after flashing.
This browser cannot install firmware over USB. Open this page in Chrome or Edge on a computer. This feature requires HTTPS. Please use a secure connection.
This browser cannot install firmware over USB. Open this page in Chrome or Edge on a computer. This feature requires HTTPS. Please use a secure connection.

Next: connect to Home Assistant

After flashing, add the device to Home Assistant through ESPHome. For extra features and ready-made cards, we recommend our official SmartHomeShop integration.

View the Home Assistant guide View the SmartHomeShop integration

Next: link it to the SmartHomeShop app

Once your device is connected to Wi-Fi or Ethernet and has an IP address, go to app.smarthomeshop.io/start to add the device to your account.

Choose the firmware

Wi‑Fi ESPHome, Wi‑Fi

Ready to install

WaterP1MeterKitV2 (Hardware version 2)Wi‑Fi Local firmwareCloud firmware

Factory image for WaterP1MeterKit V2 (Wi‑Fi, ESP32).

  1. Connect the device to your computer with the USB cable.
  2. Click Install firmware and choose the USB port of your device.
  3. Then connect it to your Wi‑Fi with Improv or through its access point.
Important: factory reset Flashing from this page writes the factory firmware image to your device. All current settings, Wi‑Fi credentials, and local configurations on the device will be erased. Make sure you have any required credentials at hand to reconfigure after flashing.
This browser cannot install firmware over USB. Open this page in Chrome or Edge on a computer. This feature requires HTTPS. Please use a secure connection.
This browser cannot install firmware over USB. Open this page in Chrome or Edge on a computer. This feature requires HTTPS. Please use a secure connection.

Next: connect to Home Assistant

After flashing, add the device to Home Assistant through ESPHome. For extra features and ready-made cards, we recommend our official SmartHomeShop integration.

View the Home Assistant guide View the SmartHomeShop integration

Next: link it to the SmartHomeShop app

Once your device is connected to Wi-Fi or Ethernet and has an IP address, go to app.smarthomeshop.io/start to add the device to your account.

Ethernet ESPHome, Ethernet

Ready to install

WaterP1MeterKitV2 (Hardware version 2)Ethernet Local firmwareCloud firmware

Factory image for WaterP1MeterKit V2 (Ethernet, ESP32).

  1. Connect the device to your computer with the USB cable.
  2. Click Install firmware and choose the USB port of your device.
  3. Then plug in the network cable: the device gets an IP address automatically.
Important: factory reset Flashing from this page writes the factory firmware image to your device. All current settings, Wi‑Fi credentials, and local configurations on the device will be erased. Make sure you have any required credentials at hand to reconfigure after flashing.
This browser cannot install firmware over USB. Open this page in Chrome or Edge on a computer. This feature requires HTTPS. Please use a secure connection.
This browser cannot install firmware over USB. Open this page in Chrome or Edge on a computer. This feature requires HTTPS. Please use a secure connection.

Next: connect to Home Assistant

After flashing, add the device to Home Assistant through ESPHome. For extra features and ready-made cards, we recommend our official SmartHomeShop integration.

View the Home Assistant guide View the SmartHomeShop integration

Next: link it to the SmartHomeShop app

Once your device is connected to Wi-Fi or Ethernet and has an IP address, go to app.smarthomeshop.io/start to add the device to your account.

Choose the firmware

Wi‑Fi ESPHome, Wi‑Fi

Ready to install

WaterP1MeterKitV3 (Hardware version 3)Wi‑Fi Local firmwareCloud firmware

Factory image for WaterP1MeterKit V3 (Wi‑Fi, ESP32).

  1. Connect the device to your computer with the USB cable.
  2. Click Install firmware and choose the USB port of your device.
  3. Then connect it to your Wi‑Fi with Improv or through its access point.
Important: factory reset Flashing from this page writes the factory firmware image to your device. All current settings, Wi‑Fi credentials, and local configurations on the device will be erased. Make sure you have any required credentials at hand to reconfigure after flashing.
This browser cannot install firmware over USB. Open this page in Chrome or Edge on a computer. This feature requires HTTPS. Please use a secure connection.
This browser cannot install firmware over USB. Open this page in Chrome or Edge on a computer. This feature requires HTTPS. Please use a secure connection.

Next: connect to Home Assistant

After flashing, add the device to Home Assistant through ESPHome. For extra features and ready-made cards, we recommend our official SmartHomeShop integration.

View the Home Assistant guide View the SmartHomeShop integration

Next: link it to the SmartHomeShop app

Once your device is connected to Wi-Fi or Ethernet and has an IP address, go to app.smarthomeshop.io/start to add the device to your account.

Ethernet ESPHome, Ethernet

Ready to install

WaterP1MeterKitV3 (Hardware version 3)Ethernet Local firmwareCloud firmware

Factory image for WaterP1MeterKit V3 (Ethernet, ESP32).

  1. Connect the device to your computer with the USB cable.
  2. Click Install firmware and choose the USB port of your device.
  3. Then plug in the network cable: the device gets an IP address automatically.
Important: factory reset Flashing from this page writes the factory firmware image to your device. All current settings, Wi‑Fi credentials, and local configurations on the device will be erased. Make sure you have any required credentials at hand to reconfigure after flashing.
This browser cannot install firmware over USB. Open this page in Chrome or Edge on a computer. This feature requires HTTPS. Please use a secure connection.
This browser cannot install firmware over USB. Open this page in Chrome or Edge on a computer. This feature requires HTTPS. Please use a secure connection.

Next: connect to Home Assistant

After flashing, add the device to Home Assistant through ESPHome. For extra features and ready-made cards, we recommend our official SmartHomeShop integration.

View the Home Assistant guide View the SmartHomeShop integration

Next: link it to the SmartHomeShop app

Once your device is connected to Wi-Fi or Ethernet and has an IP address, go to app.smarthomeshop.io/start to add the device to your account.

Choose the firmware

Wi‑Fi ESPHome, Wi‑Fi

Ready to install

WaterP1MeterKitV4 (Hardware version 4)Wi‑Fi Local firmwareCloud firmware

Factory image for WaterP1MeterKit V4 (Wi‑Fi, ESP32-C6).

  1. Connect the device to your computer with the USB cable.
  2. Click Install firmware and choose the USB port of your device.
  3. Then connect it to your Wi‑Fi with Improv or through its access point.
Important: factory reset Flashing from this page writes the factory firmware image to your device. All current settings, Wi‑Fi credentials, and local configurations on the device will be erased. Make sure you have any required credentials at hand to reconfigure after flashing.
This browser cannot install firmware over USB. Open this page in Chrome or Edge on a computer. This feature requires HTTPS. Please use a secure connection.
This browser cannot install firmware over USB. Open this page in Chrome or Edge on a computer. This feature requires HTTPS. Please use a secure connection.

Next: connect to Home Assistant

After flashing, add the device to Home Assistant through ESPHome. For extra features and ready-made cards, we recommend our official SmartHomeShop integration.

View the Home Assistant guide View the SmartHomeShop integration

Want to connect via Thread? Use the dedicated local Thread firmware. You need an existing Thread network and a Thread border router. Open the Thread guide

Next: link it to the SmartHomeShop app

Once your device is connected to Wi-Fi or Ethernet and has an IP address, go to app.smarthomeshop.io/start to add the device to your account.

Ethernet ESPHome, Ethernet

Ready to install

WaterP1MeterKitV4 (Hardware version 4)Ethernet Local firmwareCloud firmware

Factory image for WaterP1MeterKit V4 (Ethernet, ESP32-C6).

  1. Connect the device to your computer with the USB cable.
  2. Click Install firmware and choose the USB port of your device.
  3. Then plug in the network cable: the device gets an IP address automatically.
Important: factory reset Flashing from this page writes the factory firmware image to your device. All current settings, Wi‑Fi credentials, and local configurations on the device will be erased. Make sure you have any required credentials at hand to reconfigure after flashing.
This browser cannot install firmware over USB. Open this page in Chrome or Edge on a computer. This feature requires HTTPS. Please use a secure connection.
This browser cannot install firmware over USB. Open this page in Chrome or Edge on a computer. This feature requires HTTPS. Please use a secure connection.

Next: connect to Home Assistant

After flashing, add the device to Home Assistant through ESPHome. For extra features and ready-made cards, we recommend our official SmartHomeShop integration.

View the Home Assistant guide View the SmartHomeShop integration

Want to connect via Thread? Use the dedicated local Thread firmware. You need an existing Thread network and a Thread border router. Open the Thread guide

Next: link it to the SmartHomeShop app

Once your device is connected to Wi-Fi or Ethernet and has an IP address, go to app.smarthomeshop.io/start to add the device to your account.