SM SO301 - FengtianGu/Sonoff-Tasmota GitHub Wiki

SM-SO301 with an FCC ID of 2AJ5F-SM-SO3015 has 4 mains power and 4 USB ports. Each mains power is independently controlled and the USB group is controllable via a solid state relay. The ESP8266 module inside is a TYWE3S by Tuya.

Model purchased SM-SO301 (it seems to change on Amazon and other places, search for the model#). Other resellers may sell the same unit with various mains voltages/plug types.

Product

img_20180726_165744

Flashing and Configuration Pictures

tywe3s_3 chip_wires

Hold/Attach the GPIO0 wire/pin to ground during initial boot to flash. (TX pin to RX pin and RX pin to TX pin on USB flash adapter)

img_20180726_184232 tas_power1