4-Kanal 12V ESP8266 Relais Fernbedienung Schalter APP für Smart Home AHS
9,41 €
The 12V ESP8266 four-way WIFI relay module uses the ESP-01 as a WIFI module, with a mature and stable 8-bit MCU chip. LED D1/D2/D3/D4 (red light): Relay operation indicator lighted when turned on. NC1: Normally closed, the relay is short-circuited with COM1 before the relay is closed, and it is vacant after being sucked up;.
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