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Blynk IOT ESP32 Home Automation System Manual and IR Remote Control Feedback System

Hey friends in this tutorial I will show you how to make Blynk2.0 ESP32 WiFi, IR Remote and Manual Control Home Automation with Feedback System.

I will also show you how to configure and Reset WiFi connection of ESP32 with Blynk IOT 2.0 Application.

No Hard Coding required for WiFi Network Connection.

You will be able to control your Appliances, Devices with Smartphone Blynk application from any where around world and Manual Switches as well.

I have designed PCB For this project which makes this project very simple, compact and easy to use and install. This PCB can be used for multiple projects with ESP32 Nodemcu Board.

PCBA from $0(Free Setup, Free Stencil): (New Users Get $30 Coupons)

Discount Coupon Code:- JLCPCBcom

PCB Gerber File:-

Gerber_PCB_HomeAutomation ESP32 V2.1 (2)
Download ZIP • 103KB

Download ZIP • 6KB


ESP Wroom 32 Nodemcu Board

5V Relay Module 8CH

IR Receiver

Push Buttons



PCB Components:-

HI Link 220v AC to 5v DC Converter

PBT Terminal Connector 3 Pin

PBT Terminal Connector 2 Pin

Female Header pin

330 ohms Resistor

220 ohms Resistor

BC547 Transistor

IN4007 Diode

IR Receiver

Push Button

5v Relay



PCB Schematic:

Reset / Reconfigure WiFi Network Credentials Blynk 2.0:-

As in the code I have set GPIO pin 34 to bring ESP32 in Setup mode.

Connect GPIO 34 to GND for 10 Sec and you will find Blue LED blinking, that means its in setup mode.

You can now reset WiFi Credentials with Blynk IOT Application as shown in video.

Arduino IDE Download:-


Download ZIP • 16KB


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