others - RTurala/Sonoff-Tasmota GitHub Wiki

Motor Clockwise/Anticlockwise

(Now retired, see https://www.itead.cc/motor-reversing-wifi-wireless-switch.html)

Programming the on-board 3.3V PSA-B is possible when Rx (Pin 7), Tx (Pin 8) and GND (Pin 9) are connected to the FTDI interface, the button is pressed and (USB) power is provided.