About this item

📳 SW-420 Vibration Sensor Module

The SW-420 is a vibration sensor module designed to detect shocks, movements, and vibrations.
It is widely used in Arduino, ESP32, Raspberry Pi projects and security or motion detection systems.

🛡️ Features & Advantages

• 📳 Vibration and shock detection
• 🔘 Digital output (HIGH / LOW)
• 🎚️ Adjustable sensitivity via potentiometer
• ⚡ Low power consumption
• 🧰 Ready-to-use module

📦 Technical Description

• 🧩 Sensor: SW-420 (vibration switch)
• 🔌 Supply voltage: 3.3 – 5 V DC
• 🔘 Output: digital (DO)
• 🎚️ Adjustment: onboard potentiometer
• 🔧 Comparator: LM393
• 📏 Dimensions: approx. 32 × 14 mm

🛠️ Applications

• 🚨 Anti-theft alarm systems
• 🤖 Arduino and ESP32 projects
• 📦 Shock and motion detection
• 🧪 Electronics experiments
• 🏠 Home automation and security

⚠️ Usage Notes

• ❗ Sensitive to environmental vibrations
• 🔧 Adjust threshold to avoid false triggers
• 🛡️ Avoid excessive mechanical shocks

✨ Key Features

• 📳 Simple vibration detection
• 🔘 Digital output
• 🎚️ Adjustable sensitivity
• ⚡ 3.3V and 5V compatible
• 📦 Ideal for alarm systems