About
In this project, you will learn the following - 1. Pin Diagram of NodeMCU 2. How does a Relay work? 3. How to interface a 4 Channel Relay with NodeMCU? 4. How to connect DC loads with Relay? 5. How to control DC Loads using a NodeMCU? 6. How to create a project on Blynk App? 7. How to control DC loads using Blynk App? Project By - Neerav Desai