Shelly Plus AddOn

Shelly Plus AddOn is a galvanically isolated sensor interface for all Shelly Plus relays. Use it to measure temperature and humidity using its 1-Wire terminals, or connect various analog and digital sensors for complex automation and higher efficiency. 

Add-on for Shelly Plus devices: Can be used with up to five DS18B20 sensors or one DHT22 sensor. It has an analog and a digital input: 

• DS18B20 - Temperature sensor (up to 5); please choose the product variant with or without (default variant ships without it)
• DHT22 sensor- if you want to monitor temperature and humidity

Features:

• Power supply voltage DC: 3.3 V (from Shelly plus device)
• Power consumption: < 0.5 W (without sensors)
• Shelly Plus Addon supporting devices: Shelly Plus 1/1PM, Shelly Plus 2PM, Shelly Plus i4/i4DC
• Temperature reading: Depends on the DS18B20 or DHT22 sensors
• Humidity reading: Depends on the DHT22 sensor
• Dimensions (WxHxL) 42 x 37 x 16 mm