Blind Stick Obstacle Detector Pro Kit — Build a Working Echo-Location Alert System

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

Imagine building a device that can help a visually impaired person navigate safely—or simply make your own reverse parking sensor for a toy car. With this Blind Stick Obstacle Detector Pro Kit, you wire an HC-SR04 ultrasonic sensor to an Arduino Nano, program it to constantly measure distance, and listen as a piezo buzzer beeps faster the closer an object gets. It’s a hands-on introduction to assistive technology, sound-based feedback systems, and real-world sensor logic.

What You'll Build

A fully functional obstacle detection system on a breadboard. The ultrasonic sensor pings invisible sound waves and calculates the return time to determine distance. When an object enters the alert zone, the buzzer starts beeping. Green LEDs stay lit while the path is clear; red LEDs flash alongside the buzzer as you move closer. The beep rate accelerates just like a car parking sensor—turning distance into an audible rhythm anyone can understand.

What You'll Learn

• How ultrasonic sensors emit and receive sound pulses to measure distance
• Wiring and coding an Arduino Nano for real-world input and output
• Translating sensor data into audible feedback using a buzzer and variable timing
• Reading schematics and assembling a reliable prototype on a breadboard

Kit Contents

Why Buy This Kit Instead of Sourcing Parts Separately

Who This Kit Is For

Perfect for young learners in ATL Tinkering Labs, CBSE schools, or any 10–12-year-old curious about how sensors shape our world. The straightforward circuit and instant beeping feedback keep attention focused and frustration low. It’s also an inspiring choice for science exhibitions, accessibility-themed projects, and anyone who wants to understand the technology behind parking sensors and electronic white canes.

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.