Arduino Projects
Hands-on Arduino experiments! Start with the built-in LED, then add sensors, motors, displays, and build real-world gadgets.
4 stops
📚 Learning path
🗺️ Roadmap
Follow these in order — each one builds on the last.
- 1
Stop 1Project 1: Breathing LED with Built-in Pin 13
No breadboard, no wires, no resistor needed. Just my Arduino UNO R4 WiFi and its built-in LED. Let's make it glow like it's breathing!
Jul 25, 2026 · electronics - 2
Stop 2Project 2: Morse Code LED — Blink SOS!
Use the built-in LED on your Arduino UNO R4 WiFi to send Morse code. No extra components needed!
Jul 25, 2026 · electronics - 3
Stop 3Project 3: LED Matrix — Smiley Face & Bouncing Dot!
Use the built-in 12x8 LED matrix on the Arduino UNO R4 WiFi to draw pictures and animations. No extra components needed!
Jul 25, 2026 · electronics - 4
Stop 4 🏁Project 4: LED Matrix Emojis — Heart ❤️ and Smile 😊!
Show emoji pictures on the Arduino UNO R4 WiFi built-in LED matrix. No extra components needed!
Jul 25, 2026 · electronics
🚧 More stops coming soon — Nitvi is still building this path!