In this IoT project, I have explained how to make an ESP32 project with Alexa, and Google Home Automation using ESP RainMaker to control relays with voice commands, IR, and manual switches and store the last state in ESP32 flash memory (EEPROM). I have used all the free tools for this IoTbased smart home system.

To try out the FREE trial version of Altium, click here https://www.altium.com/yt/techstudycell

During the ESP Rainmaker tutorial video, I covered the following topics:
00:27 Quick demo for the ESP32 IoT Project using ESP RainMaker.
02:41 How to use Preferences library to save data in ESP32 NVS memory
04:17 Example sketch to save the last GPIO state in ESP32.
06:31 Required components for ESP32 project.
06:38 Circuit diagram of ESP32 home automation project.
07:12 Source codes for the ESP32 IoT Project.
10:20 Add device in ESP RainMaker app.

Required Components for the ESP32 internet of things project.
1. ESP32 Devkit V1.
2. 8channel 5V SPDT Relay Module.
3. TSOP1838 IR receiver (with metallic casing)
4. Switches or Push Buttons.

Amazon India Affiliate links:
ESP32: https://amzn.to/331pohb
8channel 5V Relay Module: https://amzn.to/3mTWyVZ
Echo Dot Alexa(4th Gen): https://amzn.to/3srCiPA

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

Help my projects on Patreon:   / techstudycell  
Feel free to donate any amount: https://paypal.me/sdaspay

Download the Code for the ESP32 project using ESP Rainmaker from the following article:
https://iotcircuithub.com/esp32proje...

Download PCB Gerber File of ESP32 control 8 relays:
https://drive.google.com/uc?export=do...

Important Links:
Preferences library tutorial: https://iotcircuithub.com/esp32prefe...
QR code to add devices in ESP RainMaker: https://iotcircuithub.com/wpcontent/...
Previous Video on ESP Rainmaker:    • Home Automation using ESP RainMaker w...  
Steps to program ESP32 with Arduino IDE:    • Programming NodeMCU ESP8266 & ESP32 w...  
Get the HEX codes from IR remote:    • Smart Home with Amazon Alexa using ES...  

GitHub Page: https://github.com/espressif/arduino...

Important points:
1. You don't need any Amazon echo device for this IoT Project.
2. You need to install ESP Rainmaker, Google Home, and Amazon Alexa IoT applications on mobile.
3. You don't need to install Preferences.h separately.
4. You can control relays from any WiFi network.
5. Update the Preference URLs to install the ESP32 board version 2.0.3.
6. To reset the WiFi details, press and hold the ESP32 BOOT button for 4 seconds then scan the QR code.
7. IR receiver sensor must have a metallic casing. Otherwise, you may face issues while trying to get the Hex code.
8. Please watch the complete video, otherwise you may face some issues.
**Please take proper safety precautions while working with high voltages.

During this ESP32 IoT tutorial video, I explained all the steps to use the Preferences library to save data permanently in ESP32 NVS flash memory.
In this ESP32 project, you can control the relays without internet from the IR remote & switches. ESP32 will automatically connect with the IoT cloud when the internet comes back.

If the ESP32 is connected with WiFi, then you can control the relays from anywhere in the world with Alexa and Google Assistant. And you can also monitor the realtime feedback on Amazon Alexa, and Google Home app. So with this IoT project, you can convert any appliance to IoT devices and control them through the internet.

So, now you can just ask Google Assistant, "Hey Google, turn off lights", or "Alexa, turn on light". that's it.

#esp32project #iotprojects #esp32

Thanks For Watching...
✅ SUBSCRIBE ✅LIKE ✅SHARE ✅ COMMENTS

Find out more projects: https://iotcircuithub.com/
Facebook:   / techstudycell  
Instagram:   / techstudycell  
Telegram: https://t.me/techstudycell/


WARNING:
This video is for demonstration and educational purposes only.
Each demonstration presents risks and hazards that must be fully understood before attempting.
And should be performed only by professionals


Other useful IoT projects:
Latest ESP32 projects playlist:
   • ESP32 Projects  

Latest NodeMCU projects playlist:
   • NodeMCU Projects  

Arduino Home Automation Projects playlist:
   • Arduino Projects