Module is based on WiFi Light Switch module from LoraTap. Module’s main controller is a TYWE3S, based on ESP8266. Original firmware works through tuya could, just like a two-channel module. And exactely same reasons to flash own firmware. To flash firmware we need an RS232 interface with 3.3v. I was using FTDI. We need 5 connection points. TYWE3S … Continue reading Dee – single-channel relay module hardware