Piezoelectric Vibration Sensor Module Ceramic Piezo Vibration Switch Analog Digital Output Board
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৳ 190.00৳ 220.00 (-14%)
This high-sensitivity piezoelectric vibration sensor module provides dual-channel analog and digital tracking for structural impacts, knocks, and shocks. The system pairs an external enclosed ceramic piezo element disc with an onboard LM393 voltage comparator node to convert kinetic disturbances into readable data streams. Operating on a stable 5V DC supply, it features a built-in sensitivity-tuning potentiometer along with simultaneous Analog Output (AO) for raw shock amplitude scaling and a Digital TTL Output (DO) that triggers a high-level 1A signal capable of driving external indicator lights directly. It serves as the ultimate diagnostic and security foundation for custom DIY anti-theft alarms, impact logging networks, seismic monitors, and automated Arduino/Raspberry Pi electronic prototypes.
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Product Description
The Piezoelectric Vibration Sensor Module is a dual-output, high-sensitivity kinetic detection system engineered to track structural knocks, mechanical drops, shocks, and micro-vibrations. This two-part hardware kit combines an external, encapsulated ceramic piezoelectric sensor element with an independent signal conditioning driver board based on the high-stability LM393 voltage comparator. Operating on a standard DC 5V architecture, the sensor translates physical impact stresses into clean, readable electrical signals, making it an excellent diagnostic and protective tool for microcontrollers like Arduino or Raspberry Pi.
This module features highly versatile dual signal paths to accommodate different tracking preferences. The Analog Data Output (AO) pin provides real-time voltage scaling directly proportional to the physical vibration amplitude—the harder the impact, the higher the output voltage. Concurrently, the Digital TTL Output (DO) pin acts as a fast threshold switch that triggers a HIGH-level flag when a disturbance surpasses your preset boundary. An onboard single-turn blue potentiometer allows you to fine-tune this digital sensitivity limit with ease (turning left lowers sensitivity, while turning right boosts it). Outfitted with an integrated output status LED and boasting a robust 1A current switching threshold on its digital line to power external indicator lights directly, this sensor is the ultimate foundation for custom automotive anti-theft alarms, industrial machine monitors, seismic recording rigs, and creative DIY electronic security projects.
Key Features
- Dual Output Architecture: Delivers simultaneous analog amplitude readings (AO) and digital threshold switches (DO) for flexible system telemetry.
- 1A Digital Drive Capacity: The digital TTL output pin supports a strong 1A current capacity to directly drive external high-power warning LED lights without an extra transistor.
- Onboard Sensitivity Tuning: Features an integrated blue potentiometer to effortlessly calibrate the exact shock trigger threshold by hand.
- Visual Status Indication: Includes a surface-mount output LED that flashes instantly upon detecting a valid vibration trigger.
- High-Stability LM393 Core: Utilizes a premium comparator chipset to filter out ambient noise, ensuring crisp, bounce-free digital square waves.
Technical Specifications
- Sensor Core Technology: Enclosed Ceramic Piezoelectric Disc Element
- Signal Processor Node: LM393 Operational Voltage Comparator
- Operating Supply Voltage: DC 5.0V
- Signal Type Profiles: Analog Voltage Waveform (AO) & Digital TTL Square Wave Toggle (DO)
- Digital Current Drive Rating: Up to 1.0A for external load switching
- Pin Configuration Interface: 4-Pin Straight Male Header Array (G / GND, V / VCC, ADO / AO, DO)
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- Formatting an SEO-optimized bulleted list for Amazon, eBay, or AliExpress storefronts
- Writing a basic Arduino sample code block to demonstrate how to read the analog pin data
- Designing a list of practical use cases detailing how to deploy the external piezo disc safely
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