Hello everyone! Ayush and Anvit here from Delhi Public School, Pune. As you might have read in the title, this is a home automation project developed using Blynk as an IOT platform. Nowadays people are becoming lazy and the demand for Home Automation is rapidly increasing. So, we developed this cost effective platform in association with Atal Tinkering Lab.
1 x NodeMCU
1 x Relay Module (we have used 2 channel)
1 x Load (we have used bulb here)
4 x Female to Female Jumper wires
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Step 1: Connect NodeMCU to Relay
For this tutorial, I will assume you have downloaded the required drivers and libraries for NodeMCU. So lets begin with the connections.
(NodeMCU to Relay Module)
GND to GND
D0 to IN1
D1 to IN2
Step 2: Set Up Blynk
1) In your Blynk account, select "New Project".
2) Enter your project name in the 1st field.
3) Choose "NodeMCU" as device.
4) Choose "Wi-Fi" as connection type.
5) Click on Create.
6) Now click on the plus button.
7) Select "Button".
8) Click on the button.
9)Change "Pin" to "D1" and values as 1,0.
10) Change "Mode" to "Switch".
Step 3: Programming
Github link to code: https://github.com/ayu44/HomeAutomationUsingBlynk/tree/master
Step 4: You're Done!
Now you can enjoy your very own Home Automation platform.