This board got lots of cool features:
•a relay
•external Ant
•a RGB led
•a white led
•DHT11
•buzzer
•two switches S2 and S3
•a variable rezistor for ADC connected to ADC pin.
•a 5v to 3v3 convertor
previous video:
Nodemcu development board: • Nodemcu Esp8266 development board
The ide is esplorer: http://esp8266.ru/esplorer
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