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#Deal: Sonoff 4CH PRO, 4x smart switch relays with WiFi and radio 433MHz • DIY Projects
The SONOFF 4CH Pro is a case that allows to control up to 4 relays in WiFi and radio waves (433MHz). It can be installed in a control cabinet using a DIN rail adapter. The Sonoff 4CH Pro is built around an Espressif ESP8285 WiFi module, well known in DIY home automation. Itead, the manufacturer …