vibration sensor module

🔹 SW-420 Vibration Sensor Module – Digital Tilt & Shock Detector (LM393)

The SW-420 is a high-sensitivity, non-directional vibration sensor module that outputs a clean digital signal when vibration or tilt is detected. It features an onboard LM393 comparator with an adjustable potentiometer for sensitivity tuning, making it ideal for anti-theft alarms, impact detection, and game controllers.

✅ Specifications:

Operating Voltage: 3.3V – 5V DC

Output Type: Digital (HIGH/LOW)

Comparator IC: LM393

Sensor Type: Normally closed vibration switch (spring and rod)

Output Drive: >15mA

Board Dimensions: 32mm x 14mm (typical) ; 40mm x 20mm (Grove version)

Indicators: Power LED + Output status LED

Mounting: Bolt holes for easy installation

📦 Features:
✔️ Non-directional – detects vibration from any angle
✔️ Adjustable sensitivity via onboard potentiometer
✔️ Clean digital output – easy to interface with microcontrollers
✔️ Waterproof and compression resistant (Grove version)
✔️ Wide voltage range – 3.3V and 5V compatible
✔️ LED indicators for power and signal status

📦 Applications:
✔️ Car, bicycle, and motorcycle burglar alarms
✔️ Vibration and impact detection
✔️ Tilt and shock monitoring
✔️ Game control and interactive projects
✔️ Industrial machine monitoring
✔️ DIY security systems and anti-theft devices