DC 5-80V ESP8266 ESP-12F Einkanal WiFi Relais Modul Entwicklungsplatine
Pin Description 1, VCC, GND: DC8-80V power supply 2, MICRO USB: DC5V USB power supply Note: You can choose one of the three power supply modes of DC8-80V/DC5V USB/pin 5V 3, 6X6MM button: ESP8266 reset button 4. UART program download port: ESP8266's GND, RX, TX, 5V are respectively connected to the GND, TX, RX, 5V of the external TTL serial port module. IO0 must be connected to GND when downloading. After the download is complete, disconnect the IO0 and GND connection 5. GPIO pin header leads to the port 6, Relay output NC: Normally closed terminal, the relay is shorted to COM before the pull-in, and it is suspended after it is pulled-in; COM: public end; NO: Normally open terminal, the relay is suspended before being closed, and shorted to COM after being closed. 7, Power indicator LED.
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