Arduino mini fan with Keypad Project | Arduino projects 2025

Описание: Learn how to control a mini fan using an Arduino and a 4x4 keypad in this fun and beginner-friendly electronics project! 💨💡
In this tutorial, you’ll see how pressing different keys on the keypad can turn the fan ON or OFF, making it perfect for smart home or automation projects.

👉 What you’ll learn:
• Arduino and keypad integration
• Relay module setup for fan control
• Displaying fan status on an OLED (optional)
• Clean circuit wiring and code walkthrough

📦 Components Used:
• Arduino UNO / Mega
• 4x4 Keypad
• Mini 5V DC fan
• Relay module
• OLED display (optional)
• Jumper wires & breadboard


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