Operate 4 Channel Relay using nodeMCU (ESP12-E)

In this article, we are going to learn, how to install the driver of NODEMCU (ESP12-E) and see you and upload in Arduino IDE. Code: Code :  https://github.com/Drjslab/4-Ch-Relay-ESP8266-sketch Image 0: Pin Diagram of NodeMCU ref#[1] Connect your nodeMCU to your PC using micro USB. There are chances that, your computer may not get the proper Driver. the