Learn Docking Precision with the Smart Trash Can Auto-Open Arduino Uno 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.

Imagine a spacecraft gliding toward a space station. Approach too fast, and warning lights flash red. Ease in smoothly, and the docking ring glows green. Now bring that logic to your desk with a touchless trash can. The HC-SR04 ultrasonic sensor tracks your hand’s speed, an Arduino Uno processes the data, and two LEDs give instant feedback — red for “too fast, abort” and green for “docking successful.” It’s space mechanics made tangible, without a single line of complicated code.

What You'll Build

A fully functional, touchless bin lid that never needs a manual push. The ultrasonic sensor measures the distance to your hand at rapid intervals, calculates the approach velocity, and triggers a green LED when you move within a pre-set safe speed range. If you rush, a red LED warns you to slow down. It’s a physical simulator for the precision maneuvers that astronauts use when docking modules in orbit.

What You'll Learn

• Interface an HC-SR04 ultrasonic sensor with an Arduino Uno and read precise distance values.
• Write Arduino code to compute approach speed from consecutive distance readings.
• Program conditional logic to control red and green LEDs based on real-time speed thresholds.
• Build and debug a sensor-driven circuit on a breadboard, learning prototyping skills used in real aerospace electronics.

Kit Contents

Why Buy This Kit Instead of Sourcing Parts Separately

Who This Kit Is For

Designed for young makers aged 5 to 15 who dream of space. Students in CBSE robotics clubs, ATL Tinkering Labs, or B.Tech ECE/EEE classes will find it a perfect introduction to real-time sensor systems. It’s also a showstopper for science exhibitions themed around space exploration, autonomous systems, or smart home technology — connecting everyday life to astronaut-grade logic.

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.