Build a Wind Direction Compass with Arduino Uno — Detects N, S, E, W Using Reed Switches and LEDs

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

Turn any wind vane into a digital compass rose. A small magnet on the vane triggers one of eight reed switches arranged in a circle, lighting up the LED for North, South, East, or West. This kit gives you the complete detection and display circuit — just add a homemade vane and you have a working weather station sensor ideal for school science projects, environmental monitoring, and CBSE physics practicals.

What You'll Build

A tabletop or pole-mounted wind direction indicator that reads the orientation of a magnet-equipped vane. Using the included Arduino Uno and pre-wired reed switches, you’ll assemble a compass rose circuit where each cardinal direction lights a distinct LED. When the wind shifts, the active LED changes instantly — a tangible way to see wind patterns without a screen.

What You'll Learn

• How reed switches detect magnetic fields and act as non-contact position sensors
• Wiring eight digital inputs to Arduino and debouncing real-world sensor signals
• Coding logic to map switch states to four cardinal directions with LED output
• Prototyping a weather instrument on a breadboard and planning an outdoor enclosure

Kit Contents

Why Buy This Kit Instead of Sourcing Parts Separately

Who This Kit Is For

Ideal for CBSE Class 11–12 students preparing physics investigatory projects on wind measurement, ATL Tinkering Lab mentors running sensor workshops, and young makers exploring environmental electronics. B.Tech ECE/EEE first-year students can use it as a quick prototyping exercise to understand digital input handling and practical reed switch behavior. It also fits Smart India Hackathon ideas around agriculture or disaster monitoring where local wind data matters.

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.