Shelly Add-on Plus

Shelly Plus Add-on – Sensor Interface for Shelly Plus Relays
Expand your Shelly devices with easy sensor integration for smarter automations.
1-Wire support for up to 5x DS18B20 temperature sensors or DHT22 (temp + humidity)
Analog & Digital inputs – works with most Arduino-compatible sensors
Galvanically isolated for safe and reliable operation
Plug-on design – simple installation on Shelly Plus & Gen3/Gen4 devices
Home Assistant & scripting ready – create advanced scenes based on temperature, humidity & more
Ideal for room monitoring, geyser, pool, fridge/freezer alerts & custom projects
Great value add-on for any Shelly smart home setup