1 Stück ESP8266 ESP-01 WiFi Relais Modul Smart Home Fernbedienung Schalter ESP01
ab 8,23 €
The ESP8266 four-channel WIFI relay module uses ESP-01 as the WIFi module. LED D2 and D4 (red light): relay working indicator, light when open. Reserved: UART debugging interface and STM8 SWIM program download interface.
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