ESP32 Smart Home System with Amazon Alexa app & Manual Switches | Internet of Things projects 2021

In this Internet of Things project, I have shown how to make ESP32 smart home system with Amazon Alexa app & manual switches to control an 8-channel relay module from anywhere in the world through the internet with voice commands.

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

During the tutorial video, I have covered all the following topics:
00:12 How to control 8 relays using ESP32 from Alexa App and switches.
03:07 Circuit diagram of this ESP32 IoT based Home Automation project.
04:07 How to create an account and add devices in Sinric.com.
04:59 Programming the ESP32 with Arduino IDE
06:37 How to connect IoT devices & ESP32 with Amazon Alexa App.
07:44 Connect home appliances with the smart relay module.
08:03 Controlling 8 appliances with Alexa using the ESP32 control relays.

Required Components for this ESP32 home automation system
1. ESP32 DEV KIT V1
2. 8-channel 5V SPDT Relay Module
3. Switches
4. Amazon Alexa Echo Dot (optional)

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

Amazon India Affiliate links:
ESP32 DEV KIT V1 : https://amzn.to/2N7LcBz
8-channel 5V Relay Module : https://amzn.to/3mTWyVZ
Amazon Echo Dot (4th Gen) : https://amzn.to/3srCiPA


Required Components for the ESP32 control 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) (R1 -- R8)
5. 1k 0.25-watt Resistors (10 no) (R9 -- R18)
6. LED 5-mm (10 no)
7. 1N4007 Diodes (8 no) (D1 -- D8)
8. Push Buttons (8 no)
9. Terminal Connectors
10. 5V DC supply

**Sinric will expire from AUG-2021. Please refer to the following updated tutorial video with Sinric Pro
   • ESP32 Home automation with Google Ass...  

Download Code for this ESP32 smart house automation project from the following article.
https://iotcircuithub.com/esp32-alexa...

If you use Push Buttons instead of switches then download the following code.
https://drive.google.com/uc?export=do...

Sinric.com Link: https://sinric.com/login

During the internet of things tutorial video, I have explained all the steps to make this amazon smart home automation system to control 8 home appliances with and without internet. You can use both Alexa Echo Dot and the Alexa app to control the relay module from anywhere in the world. And you can also monitor the real-time feedback in the Amazon Alexa IoT applications.

#internetofthings #esp32 #Alexa
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