Description
The Metal Detector Sensor Module is a compact and easy-to-use device designed to detect metallic objects in close proximity. It outputs a digital signal that can be interfaced with microcontrollers, making it ideal for DIY electronics, robotics, security systems, and STEM laboratory experiments.
Key Features
Digital Output Signal – Provides HIGH/LOW logic when metal is detected
Adjustable Sensitivity – Onboard potentiometer allows tuning detection distance
Compact PCB Module – Simple integration into embedded systems and prototypes
Low Power Consumption – Efficient for battery-powered or portable projects
Durable Design – Suitable for repeated use in laboratory and hobby applications
Technical Specifications
Operating Voltage: 3.3V – 5V DC
Output Type: Digital HIGH/LOW
Detection Distance: Typically 1–2 cm (adjustable)
Response Time: < 200 ms
Operating Temperature: -10°C to +60°C
Current Consumption: ~30 mA
Applications
Object detection in robotics
DIY metal detection devices
Security and access control systems
STEM lab experiments on magnetic fields and conductivity
Educational demonstrations on sensors and embedded systems
The module interfaces easily with development platforms such as the Arduino Uno and Raspberry Pi, enabling real-time detection and automation experiments.
Educational & Research Value
The Metal Detector Sensor Module provides hands-on learning in:
Inductive and capacitive sensing principles
Digital signal processing for embedded systems
Sensor calibration and sensitivity adjustment
Practical applications of metal detection in engineering projects
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