Nodemcu 8266 Pin Diagram. If you have an esp8266 nodemcu board then you can directly use the adc pin a0 for reading analog voltages in the range of 0v to 3 3v. The esp8266 12 e nodemcu kit pinout diagram is shown below.
Download pdf with esp8266 pinout diagrams. But this board is slightly larger than the v1 0. The nodemcu development board can be easily programmed with arduino ide since it is easy to use.
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Programming nodemcu esp8266 with arduino ide. For a comparison of these board you can read this guide. Programming nodemcu with the arduino ide will hardly take 5 10 minutes. Download pdf pinout diagrams esp8266 peripherals.