What is Node MCUVivek kanaujia
NodeMCU is an open source IoT platform. It is based less than 500INR WI-FI MCU ESP8266 integrated and easy to prototyping development kit. NodeMCU provide the best platform for IOT application development at the lowest cost. You can purchase it from IOTWEBPLANET.COM.
Quick look of Node MCU GPIO.
Node MCU and Arduino Pin Mapping