Arduino Project Handbook, Volume 2

This second volume of the ­Arduino Project Handbook delivers 25 more ­beginner-friendly electronics projects. Get up and running with a crash course on the Arduino, and then pick any project that sparks your interest and start making!

Each project includes cost and time estimates, simple instructions, colorful photos and circuit diagrams, a troubleshooting section, and the complete code to bring your build to life. With just the Arduino board and a handful of components, you’ll make gadgets like a rainbow light display, noise-level meter, digital piano, GPS speedo­meter, and fingerprint scanner. 

This collection of projects is a fast and fun way to get started with microcontrollers that’s perfect for beginners, hobbyists, parents, and educators.

25 Step-by-Step Projects

LED Light Bar

Light-Activated Night-Light

Seven-Segment LED Countdown Timer

LED Scrolling Marquee

Mood Light

Rainbow Strip Light

NeoPixel Compass

Arduino Piano

Audio LED Visualizer

Old-School Analog Dial

Stepper Motor

Temperature-Controlled Fan

Ultrasonic Range Finder

Digital Thermometer

Bomb Decoder Game

Serial LCD Screen

Ultrasonic People Counter

Nokia 5110 LCD Screen Pong Game

OLED Breathalyzer

Ultrasonic Soaker

Fingerprint Scanner

Ultrasonic Robot

Internet-Controlled LED

Voice-Controlled LED

GPS Speedometer

Uses the Arduino Uno board