Sonoff Bridge from 433MHz to WIFI MQTT with Sonoff-Tasmota software.
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This RF Bridge can bridge many 433MHz RF Remote Controllers into MQTT WiFi.
The RF Bridge can be used with many 433MHz products, e.g. RF remote controllers, RF controlled switches, RF controlled sockets, RF controlled bulb, RF controlled door openers, door magnetic sensors and RF movement detection IR sensors.
Configuration can be done through the Tasmota WEB UI.
This product is based on the Sonoff RF Bridge, but has an alternative software. EweLink is NOT supported.
No support for dynamic and rolling codes.
- Frequence 433MHz
- Modulation: ASK
- Code: Fixed
- WIFI standard: 802.11b/g/n
- WIFI security: WPA-PSK/WPA2-PSK
- Power supply: USB 5V (not included)
- Software: Sonoff-Tasmota
- Size: 63*63*63 mm
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