Description
Discover the SW-420 Vibration Sensor Module, the ultimate solution for detecting vibrations and triggering alarms in your Arduino projects. Designed as a normally closed type sensor, it offers reliable performance for security systems, machinery monitoring, and smart home applications.
Product Overview
The SW-420 module is a compact, cost‑effective vibration sensor switch that converts mechanical vibrations into electrical signals. Ideal for hobbyists and professionals alike, it plugs directly into Arduino boards, Raspberry Pi, or any microcontroller with a digital input pin.
Key Features
- Normally Closed (NC) Operation – Provides a safe default state, reducing false triggers.
- Wide Sensitivity Range – Detects vibrations from gentle taps to strong shocks.
- Low Power Consumption – Perfect for battery‑powered or low‑energy projects.
- Easy Integration – 3‑pin interface (VCC, GND, DO) compatible with Arduino Uno, Mega, Nano, and more.
- Compact Size – 30mm × 20mm footprint fits into tight spaces.
- Durable Construction – Rugged housing withstands harsh environments.
Technical Specifications
- Operating Voltage: 3.3 V – 5 V DC
- Output Type: Digital (Open‑Collector)
- Operating Temperature: –20 °C to +70 °C
- Response Time: < 5 ms
- Dimensions: 30 mm × 20 mm × 15 mm
- Package: DIP
Applications
The SW-420 module excels in a variety of scenarios:
- Home security alarms and intrusion detection.
- Industrial equipment monitoring and predictive maintenance.
- Smart door/window sensors.
- Robotics – obstacle detection through vibration.
- Educational kits and DIY electronics projects.
Why Choose Our SW-420 Module?
With precision engineering and a proven track record, our SW-420 vibration sensor delivers consistent, reliable performance. Whether you’re building a DIY alarm system or a sophisticated industrial sensor network, this module is engineered to meet your needs with ease.
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