Tech StudyCell
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Explore electronics projects on home automation, IoT, Lora, etc using Arduino, NodeMCU, ESP32, Google Assistant, Blynk
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Arduino Vs Raspberry Pi Pico Vs ESP32
The Last Poll result from YouTube
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https://iotcircuithub.com/esp32-cam-telegram-wifi-door-lock/
Project: WiFi Door Lock using ESP32 CAM & Telegram
With this IoT project you can take multiple photo, unlock and lock the door from anywhere in the world with the Telegram app.
Upcoming project.....
Connect multiple NodeMCUs with the same Blynk account to control all the home appliances of multiple rooms.
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I have shared all the GPIO details of the NodeMCU board in this picture. I refer to these GPIO details before making any NodeMCU projects.
Upcoming project.....
Connect multiple ESP32 & NodeMCUs with the same Blynk account to control all the home appliances of multiple rooms from smartphone and manual Switches.
Blynk NodeMCU IoT projects with DHT11 & LDR control Relays
Article Link:
https://iotcircuithub.com/blynk-nodemcu-iot-projects-relay/

In Manual Mode Control relays with Blynk App and Push buttons, and in Auto Mode relays will be controlled with room temperature (DHT11) and LDR. Explained with Circuit & Code.
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Upcoming project.....
Smart Home with Google Assistant + Alexa + Manual Switch Control Relays using NodeMCU.
(**All Free Tools, No Custom PCB & Easy to Make)
Do you want me to review some Smart Home device?
Anonymous Poll
93%
Yes
7%
No
I have already made this project with NodeMCU, but received a lot of requests to make the same project with ESP32. So, if you want to use ESP32, then refer to this tutorial. Thank you.
Upcoming Project:
Blynk + IR Remote + Manual Switch control 8 Relays using ESP32.
Real-Time feedback & No WiFi control.