Sonoff switches are based on the well-known ESP8266 / ESP8285 and work over a WiFi connection with which devices can be switched on and off via the cloud.
Sonoff switches are based on the well-known ESP8266 / ESP8285 and work over a WiFi connection with which devices can be switched on and off via the cloud.
Loyer ChristianSONOFF RE5V1C - 5V wifi inching/selflock relay moduleEasy to order, fast delivery. A user manual attached to the modules would have been appreciated, or at least a link to a site giving configuration explanations.