Module is based on Chinese “Smart Timer Staircase Din Rail Time Switch” ATMS1601. Module’s main controller is a TYWE2S, based on ESP8285. Original firmware operates through tuya-cloud. Like Dorfl/Detrius and Dee, we’ll be flashing custom firmware. To flash firmware we need an RS232 interface with 3.3v. I was using FTDI. We need 5 connection points. TYWE2S … Continue reading Dozy – multiway switch on DIN rail hardware