Build a Colour-Changing Activity Band with Arduino Nano & ADXL345 Accelerometer

Every part needed, pre-tested for compatibility, with an AI build companion trained on this exact project. Shipped from Bengaluru in 3-5 days.

Wear a band that glows green when you’re walking, red when you’re sedentary, and blue when running — all built by your own hands. This kit uses the ADXL345 accelerometer to read motion and an Arduino Nano to control an RGB LED, creating a simple health tracker on a breadboard. You’ll understand how wearable gadgets classify activity in real time.

What You'll Build

A breadboard-based activity band that classifies your movements in real-time. The RGB LED changes colour based on the intensity of motion, turning red for stillness, green for walking, and blue for high-acceleration running. You’ll see your activity level at a glance, learning how wearable health tech works from the inside.

What You'll Learn

• Reading accelerometer data via I2C communication
• Programming conditional logic to classify motion types
• Driving RGB LEDs with PWM to create custom colours
• Integrating sensors and actuators on a breadboard prototype

Kit Contents

Why Buy This Kit Instead of Sourcing Parts Separately

Who This Kit Is For

Designed for students from Class 6 to 10 pursuing CBSE or ICSE electronics, this kit fits perfectly into ATL Tinkering Lab sessions and school science exhibitions. First-year B.Tech ECE students at institutions like VIT, NIT, or BITS will also find it a gentle introduction to wearable sensor systems. Anyone aged 5-15 curious about how Fitbits work can build a working prototype in an afternoon.

Built and Backed by Compoden

Every Compoden kit ships with an AI build companion trained on this exact project — accessible via a QR code on the box, with WhatsApp and email backup. We've spent 10 years building projects for makers, schools, and institutions across India. If a part fails because of a manufacturing defect, replace it free within 7 days.