IoT Smart Home project using ESP32 Blynk control relay with WiFi + Manual Switch - 2021

In this ESP32 project, I have explained how to make an IoT Smart Home project using ESP32 Blynk to control relays with Wi-Fi and manual switch. with this internet of things home automation system, you can also monitor the real-time feedback and control the appliances manually without internet.

PCBA from $0 (Free Setup, Free Stencil) https://jlcpcb.com/RHS

Download PCB Gerber file for the ESP32 IoT based home automation project
https://drive.google.com/uc?export=do...

For this ESP32 project, I have used the FREE plan of the Blynk IoT platform.

During the Blynk IoT tutorial video, I have covered the following topics:
00:35 Required Components for this Blynk ESP32 IoT project.
01:09 Circuit of the ESP32 Home Automation system.
03:00 Program the ESP32 with Arduino IDE
04:21 Set up Blynk cloud account, Web Dashboard.
07:02 Connect ESP32 with Blynk cloud account.
07:59 Setup Blynk IoT application Mobile Dashboard.
09:10 Control relays from Blynk App and switches.

Required Components for this ESP32 home automation system
1. ESP32 DEV KIT V1
2. 8-channel 5V SPDT Relay Module
3. Latched switches or Push Button

Amazon India Affiliate links:
ESP32 DEV KIT V1 : https://amzn.to/331pohb
8-channel 5V Relay Module : https://amzn.to/3mTWyVZ

Amazon United States Affiliate links:
ESP32 DEV KIT V1 : https://amzn.to/3mBjCch
8-channel 5V Relay Module : https://amzn.to/3p50UeH

Required Components for the Smart Relay Module PCB:
1. Relays 5v (SPDT) (8 no)
2. BC547 Transistors (8 no)
3. PC817 Optocuplors (8 no)
4. 510-ohm 0.25-watt Resistor (8 no)
5. 1k 0.25-watt Resistors (10 no)
6. LED 5-mm (10 no)
7. 1N4007 Diodes (8 no)
8. Push Buttons (8 no)
9. Terminal Connectors
10. Jumper (2 no)
11. 5V DC supply


------Important points for this ESP32 project:------
1. After compiling the code, you have to press and hold the BOOT button of ESP32 until the code starts uploading.
2. Install the correct version of the ESP32 board and Blynk library as mentioned in the code.
3. Please take proper safety precautions while working with high voltage.


-----------Related Previous Video Links:------------
Create New Template, DataStreams in Blynk Cloud account
   • Home Automation using ESP32 Blynk 2.0...  

Steps to program ESP32 with Arduino IDE
   • Programming NodeMCU ESP8266 & ESP32 w...  

----------Codes----------
Download Code for this Blynk ESP32 control relays from the following article
https://iotcircuithub.com/iot-smart-h...

#smarthome #esp32 #blynk
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