Piezoelectric Transducer sensor 27MM – Vibration Knock Sensor
Piezoelectric sensors detect an applied force and produce a resultant change in voltage. These types of sensors are capable of detecting various forms of physical quantities including pressure, vibration, acceleration, displacement and compression Piezo Vibration Sensor Module detects mechanical vibrations or knocks and converts them into electrical signals. Ideal for Arduino, Raspberry Pi, ESP32, and other microcontroller platforms.
₹ 12
₹ 19
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| Made In : | India |
The 27mm Piezoelectric Transducer Sensor is a vibration and knock detection sensor that converts mechanical stress or vibration into an electrical signal. It is widely used in Arduino, ESP32, and embedded systems for detecting knocks, taps, impacts, and vibration changes.
This sensor is commonly used in security systems, touch-based interfaces, musical instruments, and structural vibration monitoring projects.
Key Features
- 27mm diameter piezoelectric disc sensor
- Detects vibration, knock, and mechanical impact
- Generates analog voltage output on stress
- High sensitivity to physical vibration
- No external power required for signal generation
- Easy integration with Arduino and ESP32
- Lightweight and compact design
- Low cost and highly durable
- Suitable for experimental and DIY projects
Technical Specifications
| Parameter | Specification |
|---|---|
| Sensor Type | Piezoelectric Transducer |
| Diameter | 27 mm |
| Output Type | Analog voltage signal |
| Operating Principle | Piezoelectric effect |
| Material | Ceramic + metal disc |
| Frequency Response | Wide vibration range |
| Power Requirement | Self-powered signal generation |
| Interface | Analog input (ADC required) |
| Compatibility | Arduino, ESP32, Raspberry Pi |
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