ESP32 SonOff Dual R3 Schematics. - Let's Control It
PCB design: ESP32 to CAN supporting ESPHome / Matter - Hardware
Gadjet's Blog: The many versions of the Wireles Door Sensor an
Sonoff DUALR3 has a hidden secret - NotEnoughTech
SONOFF WiFi Smart Curtain Switch with Power Metering TUV Certified
Flashing Tasmota on a Sonoff Dual R3 & Integrating With Home
Sonoff DualR3 Setup + Circuit Diagram
ESP32 SonOff Dual R3 Schematics. - Let's Control It
Sonoff DUALR3 has a hidden secret - NotEnoughTech
ESP8266 - Maker and IOT Ideas
Push Button (input_boolean) --> Two way switch with Sonoff Dual
ESP32 SonOff Dual R3 Schematics. - Let's Control It
SONOFF DUAL R3 WiFi Smart Switch Dual Relay Module DIY Power
ESP32 - Maker and IOT Ideas
DUALR3 Wiring Instructional Video - SONOFF Official