tasmota sonoff default pin is D6 for on/off sonoff basic flash button works as on/off switch esptool --port COM22 erase_flash esptool --port COM22 write_flash -fs 1MB -fm dout 0x0 tasmota.bin * https://github.com/arendst/Tasmota * https://tasmota.github.io/docs/Getting-Started/ {{:es8266:pasted:20200531-203857.png}}