🌡️ This Fan Turns ON Automatically When the Room Gets Hot! #diy #fan #weather

ESP32-Based Smart Automatic Fan Controller Using DHT11 and OLED Display
This project is a smart temperature-controlled fan system designed using an ESP32 microcontroller, DHT11 temperature sensor, L298N motor driver, DC motor, and OLED display. The system continuously monitors the surrounding temperature in real time. When the temperature rises above a predefined threshold (30°C), the ESP32 automatically activates the fan through the L298N motor driver. When the temperature drops below the threshold, the fan turns off automatically.
The current temperature and fan status are displayed on the OLED screen, allowing users to monitor the system easily. This project demonstrates the practical application of sensors, automation, motor control, and embedded systems for creating energy-efficient cooling solutions.
✨ Features
Real-time temperature monitoring
Automatic fan ON/OFF control
OLED display for temperature and status
Low-cost and energy-efficient design
ESP32-based smart automation
Suitable for home, office, and educational projects
🔧 Components Used
ESP32 DevKit V1
DHT11 Temperature Sensor
OLED Display (SSD1306)
L298N Motor Driver
DC Gear Motor (Fan)
Battery Pack
Breadboard and Jumper Wires

PROGRAM CODE:-
https://docs.google.com/document/d/1rxEoFDkbmuCPUU1Qqzd2QKe06YmkeW3y0eJDBmLuGi0/edit?usp=drivesdk

CIRCUIT DIAGRAM LINK:-
https://drive.google.com/file/d/1MDXZ-L4y09WWzRBL-uZkez02E4UAPfO9/view?usp=drivesdk

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