Arduino Ultrasonic Parking Sensor Kit – Build a Car Parking Sensor with LED & Buzzer Alerts

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

Reverse your car and the beeping accelerates—that's the magic of a parking sensor. With this kit, you'll recreate the exact same technology on your desk. Wire up an HC-SR04 ultrasonic module to an Arduino Nano, then watch as two green LEDs stay lit while you're at a safe distance, switching to red and a fast-beeping buzzer the moment an object comes too close. Every kid who’s ever asked “how does my car know when I’m about to hit something?” now has a hands‑on answer.

What You'll Build

You'll assemble a complete distance‑alert system: the ultrasonic sensor continuously measures how far away your hand (or any object) is, while the code you upload to the Nano translates that into three distinct zones. In the safe zone, two green LEDs glow and the buzzer stays quiet. As the object moves closer, one green LED turns off and the buzzer starts ticking slowly. In the danger zone, both red LEDs flash and the buzzer sounds a rapid warning—just like a real parking sensor. It’s a portable breadboard project you can demo to friends and family, showing exactly how ultrasonic waves measure distance.

What You'll Learn

• Wire an HC-SR04 ultrasonic sensor and a piezo buzzer to an Arduino Nano
• Write Arduino code that reads sensor data and triggers LEDs and sound at set thresholds
• Control multiple output devices from a single microcontroller
• Apply the physics of ultrasonic echo timing to a real‑world gadget

Kit Contents

Why Buy This Kit Instead of Sourcing Parts Separately

Who This Kit Is For

Designed for curious 10‑ to 12‑year‑olds taking their first steps in electronics, this kit also fits beautifully into ATL Tinkering Lab sessions and CBSE co‑scholastic STEM activities. It’s the ideal parent‑child weekend project—no prior coding experience needed—and a hands‑on way to connect textbook physics with the technology inside everyday vehicles.

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.