Introduction

The DIY Metal Detector Kit is an educational electronics project that can detect metallic objects within 60mm range. Operating on 3V-5V DC power, this compact module is perfect for learning electromagnetic principles, security applications, or hobbyist treasure hunting.

Key Features

Technical Specifications

Pin Configuration

Pin	Label	Description
1	VCC	3-5V Power Input (Red wire)
2	GND	Ground (Black wire)
3	OUT	Digital Output (Yellow wire)
4	BUZ	Buzzer Connection (Blue wire)
5	LED	LED Indicator (Green wire)

Assembly Instructions

1. Prepare Components: Identify all parts using the included schematic
2. Install Resistors: Start with lowest height components first
3. Mount IC Socket: Observe proper orientation notch
4. Add Capacitors: Note polarity for electrolytic capacitors
5. Install Potentiometer: Secure firmly to PCB
6. Connect Coil: Solder pre-wound detection coil
7. Final Components: Add LED, buzzer, and power connector
8. Double Check: Verify all solder joints and component placements

Calibration Guide

Arduino Integration

Detection Performance

Troubleshooting

Project Ideas