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Shelly Plus Add-on

Shelly Plus Add-on

Regular price €14,00
Regular price Sale price €14,00
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Shelly Add-on for Shelly Plus devices


  • Can be used with up to five DS18B20 sensors or one DHT22 sensor
  • Analog and digital input
  • Compatible sensors are sold separately

Versatile compatible

The Shelly Plus plug-in is compatible with most Arduino sensors! You can use a digital or analog input to measure the desired parameters and create even complex automations using sensor data.

Measure and control precisely

The Shelly Plus Add-on is a galvanically isolated sensor interface for all Shelly Plus relays. You can use it, for example, to measure temperature and humidity with its 1-wire connectors, or connect various analog and digital sensors to improve complex automation and efficiency.


  • Motion sensor operated lights.
  • Automation of irrigation systems according to drought.
  • Awning automations according to the weather.
  • Light output automation according to the brightness of the environment.
  • ... and many others according to your needs!!

Shelly Plus Add-on Compatibility:

  • Shelly Plus 1/1PM , Shelly Plus 2PM, Shelly Plus i4/i4DC

Technical information:

  • Model: Shelly Plus Add-on
  • Power consumption: <0.5 W (Without sensors)
  • VCC max. 10mA
  • VREF OUT max 1mA
  • VREF+R1 OUT resistor 10 k?
  • MQTT support
  • Power supply voltage DC: 3.3 V (from Shelly plus device)
  • Operating temperature: -20ºC ... +40ºC
  • Wire thickness: max. 1 mm² / 17 AWG
  • Dimensions: 37 x 42 x 15 mm ±0.5 mm


  • Installation by an authorized electrician only.
  • Installation inside the box
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    Questions? Contact us!