Piezo Sensor Element 15 mm

Overview

Introducing the MOKWN Piezo Sensor Element (15 mm) — a compact, high-sensitivity vibration and impact sensor that converts mechanical stress into an electrical voltage. Perfect for makers, students, and engineers in Egypt, this versatile element is ideal for building knock sensors, touch-activated projects, musical instruments, and more. Its small size and ease of use make it a staple in any electronics toolkit.

Key Features

• High Sensitivity: Detects subtle vibrations and impacts with precision.
• Compact 15 mm Size: Ideal for space-constrained projects.
• Voltage Generation: Produces a voltage proportional to deformation – no external power needed for sensing.
• Durable Construction: Reliable performance for repeated use.
• Easy Integration: Simple two-wire connection to microcontrollers like Arduino or Raspberry Pi.

Technical Specifications

• Diameter: 15 mm
• Element Type: Piezoelectric disc
• Output: Analog voltage (AC signal)
• Resonant Frequency: Typically ~4.6 kHz (varies with load)
• Operating Temperature: -20°C to +70°C
• Material: Brass/copper alloy with ceramic piezoelectric layer

Applications & Use Cases

• Knock Sensors: Detect knocks or taps for security systems or interactive projects.
• Musical Instruments: Build electronic drum pads or trigger sounds.
• Vibration Detection: Monitor machinery or detect earthquakes in educational projects.
• Touch Sensors: Create touch-sensitive surfaces.
• Impact Detection: Used in robotics for collision detection.

What's Included

• 1 x Piezo Sensor Element 15 mm
• (No additional mounting hardware – easy to solder or glue)

Compatibility

• Works with Arduino, Raspberry Pi, ESP32, and other microcontrollers.
• Requires a pull-down resistor (10kΩ) for stable readings.
• Can be used with analog inputs for signal processing.

MOKWN Recommendation

This 15 mm piezo element is a great entry-level sensor for hobbyists and professionals. For best results, pair it with an op-amp or comparator for signal conditioning. We recommend it for STEM education, prototyping, and DIY electronics projects across Egypt.