Vibration Sensor SW-420

🌀 Vibration Sensor SW-420 – Motion, Shock & Knock Detection Module
The SW-420 Vibration Sensor is a compact and easy-to-use module that detects vibrations, knocks, and sudden movements. Ideal for security systems, anti-theft alarms, and motion-activated electronics, this sensor is a must-have for DIY and automation projects. 🚨

🔧 Key Features
🔧 Model: SW-420
📏 Function: Vibration / Shock / Knock detection
⚡ Operating Voltage: 3.3V – 5V DC
📟 Output: Digital (HIGH/LOW)
🔄 Adjustable Sensitivity via onboard potentiometer
💡 LED Indicators: Power & Vibration status
🧠 Comparator IC: LM393 for stable signal processing

🧰 Package Includes
✅ 1x Vibration Sensor SW-420 Module
📄 Pin Labels: VCC, GND, DO
🧰 Compatible with Arduino, ESP32, Raspberry Pi, STM32, and more

🧠 Perfect For
🚨 Anti-theft systems
📦 Motion-triggered smart devices
🛠️ Equipment monitoring
🎓 STEM & DIY electronics
🔁 Auto shut-off / alerts on vibration

🛠️ How It Works
1️⃣ No vibration → Output = LOW
2️⃣ Vibration detected → Output = HIGH
3️⃣ Use the signal to trigger a buzzer, LED, relay, or notification system

🧠 Pro Tip: Mount it on drawers, doors, or machines for smart vibration sensing!