Install Tasmota on Sonoff RF BridgeR2 – ESP8285 Links: https://tasmota.github.io/docs/devices/Sonoff-RF-Bridge-433/ https://community.home-assistant.io/t/new-sonoff-rf-bridge-board-need-flashing-help/344326/5 Board DetaisModel: RF BridgeR2 FCC ID: Wi-Fi: Power Input: Chip: ESP8285 Board Version: R2 v2.2 Board date: 2021.01.19 Serial to USB Cable: TX – Green RX – White 3V – Red GND – Black Pics