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Pricelist: Retail Price (B2C) Pricelist
Pricelist: Retail Price (B2C) Pricelist

Tilt Sensor Vibration Alarm Vibration Switch Module for Arduino

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SpecificationDetails
Operating VoltageDC 3.3V – 5V
Sensor TypeSW-18010P (Spring Type)
Comparator ICLM393 High-Voltage Comparator
Current Consumption~15mA
Output TypeDigital (HIGH/LOW)
AdjustmentMulti-turn Potentiometer
PCB Dimensions32mm x 14mm
Price
₹ 50.85 ₹ 50.85
(Tax included)

Barcode: 6431253

Product Description

The SW-18010P Vibration Module is engineered to provide a reliable digital trigger for motion-based applications. The internal sensor consists of a central metal pin surrounded by a flexible spring; when the module vibrates, the spring touches the pin, completing the circuit. This rapid "chatter" is processed by the onboard LM393 comparator, which outputs a clean, stable TTL-level signal (D0) to your microcontroller. The module includes two onboard LEDs—one for Power status and another for Signal Output—allowing for easy debugging without a serial monitor.

Key Features

  • Adjustable Sensitivity: Fine-tune the vibration threshold using the onboard blue potentiometer to suit your environment.

  • Rapid Response: Detects even high-frequency micro-vibrations and sudden shocks.

  • Low Power Logic: Consumes minimal current, making it ideal for battery-operated security systems.

  • Clean Digital Signal: The LM393 ensures the output is free of mechanical "bounce" noise.

  • Universal Compatibility: Works seamlessly with Arduino, ESP32, Raspberry Pi, and 8051 platforms.

Technical Details

  • Pinout: 1. VCC: 3.3V to 5V. 2. GND: Ground. 3. DO: Digital Output Signal.

  • Logic State: Output is HIGH when still and pulses LOW when vibration is detected.

  • Mounting: Single 3mm screw hole for firm attachment to the target surface.

Prototyping and Engineering Tips from Robogears

  • Mounting for Sensitivity: For the best results in anti-theft applications (like a door alarm), mount the sensor using a stiff adhesive or a screw. Soft foam tape can absorb vibrations and reduce the sensor's effectiveness.

  • The Potentiometer Sweet Spot: Rotate the potentiometer until the "Signal LED" just turns OFF. This places the sensor at its highest sensitivity. If it triggers randomly from ambient noise, rotate it slightly in the opposite direction.

  • Software Filtering: Since the sensor "chatters" (opens and closes rapidly) during a vibration event, use an Interrupt-driven approach in your code. Alternatively, implement a small "Lockout" timer ($500ms$) after the first trigger to prevent a single knock from being counted as dozens of separate events.

Package Includes

  • 1 x SW-18010P Vibration Sensor Switch Module

Disclaimer

This module is a digital "Go/No-Go" switch and does not provide an analog value for the magnitude of the vibration. Ensure the sensor is not exposed to extreme moisture, as the internal spring-pin mechanism can corrode over time if not protected.