Configure your smart switch module to work with Tasmota open source firmware.
Flashing Tasmota on a Sonoff Dual R3 & Integrating With Home Assistant – Baldacchino Automation
Sonoff WiFi Smart Curtain Switch Module with Power Metering TUV Certified, DualR3 Dual Relay Motorized Curtain,Blinds,Roller Shutter,Two Way Smart Switch.Works with Alexa : : DIY & Tools
SONOFF DUALR3 Wifi DIY MINI Switch Two Way Power Metering Switch Timing# Connection &Pairing App
Sonoff Dual - Tasmota
Sonoff DualR3 Setup + Circuit Diagram FINALLY A WAY TO MAKE A SMART 2 WAY LIGHT SWITCH
Status of Tasmota for ESP32 on Sonoff Dual R3
DUALR3 - SONOFF Official
Sonoff WiFi Smart Curtain Switch Module with Power Metering TUV Certified, DualR3 Dual Relay Motorized Curtain,Blinds,Roller Shutter,Two Way Smart Switch.Works with Alexa : : DIY & Tools
Support for Sonoff dualr3 · arendst Tasmota · Discussion #10793 · GitHub
Flashing Tasmota on a Sonoff Dual R3 & Integrating With Home Assistant – Baldacchino Automation
Sonoff Dual R3 - Light control, blind motor mode and power metering
Sonoff DUALR3 has a hidden secret - NotEnoughTech