GPS-Guided Blind Stick with Virtual Boundary and Obstacle Detection — Advanced Arduino Project Kit

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

Navigating unfamiliar or open spaces without sight remains one of the hardest daily challenges. This kit lets you build a walking aid that does more than detect obstacles — it creates a programmable GPS boundary that keeps the user within a safe zone, actively steering around objects while logging every movement to an SD card for later review. It blends geofencing, ultrasonic scanning, and motor feedback into a single integrated system you wire and program from scratch.

What You'll Build

A handheld assistive device that reads real-time GPS coordinates and compares them against a user-defined perimeter. When approaching the virtual fence, dual DC motors nudge the stick to redirect the user inward. Three ultrasonic sensors simultaneously scan ahead and to both sides, detecting obstacles above ground level. The entire session — coordinates, obstacle events, and motor corrections — writes continuously to a microSD card for analysis.

What You'll Learn

• Parsing NMEA sentences from NEO-6M GPS and translating lat-long into actionable course corrections
• Implementing a trilateration-based obstacle decision matrix using three HC-SR04 sensors with interrupt-driven timing
• Driving 12V DC motors through an L298N dual H-bridge with PWM speed control and coordinated differential steering
• Designing a reliable power stage with SLA battery, buck converter regulation, and multi-point decoupling across prototype boards

Kit Contents

Why Buy This Kit Instead of Sourcing Parts Separately

Who This Kit Is For

This is a natural project choice for B.Tech ECE and EEE students in their final year who need a working assistive technology prototype with documentation potential. Smart India Hackathon participants working on disability or accessibility problem statements will find the GPS geofencing and obstacle logging directly relevant. ATL Tinkering Lab instructors and mentors at IIT, NIT, and VIT can use this kit to teach sensor fusion, power management, and soldering in a single semester-long build.

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.

Choose your assembly option:

• Soldering Kit — 25W soldering iron, 60/40 solder wire, flux, and small perfboard for permanent assembly.
• Breadboard Combo — 800-point full-size breadboard with 65-piece jumper wire pack for solderless prototyping.