Sonoff POW R2 16A Power Monitor MQTT Switch with Tasmota Firmware
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Sonoff Pow R2 is a 16A WiFi smart light switch that allows you to remotely manage and control your appliances and monitor your home energy usage.
This product is based on the Sonoff basic switch, but has an alternative software. EweLink is NOT supported.
- Voltage: 90-250V (50/60Hz)
- Maximum current: 16A
- Maximum watt: 3500W
- WIFI standared: 802.11b/g/n
- WIFI security: WPA-PSK/WPA2-PSK
- Software: Tasmota
- Color: White
- Size: 114*51*32 mm
- Weight: 91g
It provides local control, MQTT and integration with home automation systems such as openHAB, Home Assistant and Domoticz.
You may find more information on the official GitHub page
You may also find relevant information on Tasmota at
If you are starting out and wish to have a relatively easy experience in developing your projects, then try the build-in web interface.
Example of Tasmota Web Interface
the Sonoff 4 Channel Pro MQTT Switch
For the temperature/humidity monitor, you also need to specify the sensor type, e.g. AM2301.
You use the Tasmota WEB UI for configuration. Enable MQTT in "Configuration/Other" and then specify your setup in "Configuration/MQTT".
For more details see also https://github.com/arendst/Sonoff-Tasmota/wiki/MQTT
There is a description of the integration with Home Assistant on the Tasmota site.
DrZzz has made some tutorials, which may be helpful (but skip the parts about flashing Tasmota).
General setup for tasmota is described at https://www.youtube.com/watch?v=c2IUIUnxjUY&t=859s
For the RF Bridge there are some more specific instructions at https://www.youtube.com/watch?v=Ega4U1KRlso