SW-420 Vibration Sensor Module

SW-420 Vibration Sensor Module is a compact, reliable, and cost-effective solution for detecting vibration, shock, and movement in electronic systems. Designed for seamless integration with microcontrollers such as Arduino, Raspberry Pi, ESP8266, ESP32, and other development boards, this sensor module is widely used in security systems, industrial monitoring, smart devices, and DIY electronics projects.

Built around the highly sensitive SW-420 vibration sensor and an onboard LM393 comparator, the module converts mechanical vibration into a clean digital output signal. When vibration exceeds a user-defined threshold, the output is triggered instantly, enabling fast and accurate motion detection. With adjustable sensitivity and easy plug-and-play design, the SW-420 module is ideal for both beginners and professionals.

Key Features of SW-420 Vibration Sensor Module

• High Sensitivity Vibration Detection
  Detects even minor vibrations, shocks, or movements with high accuracy.

• Adjustable Sensitivity Control
  Onboard potentiometer allows fine-tuning of vibration threshold based on application requirements.

• Digital Output Signal
  Provides a stable HIGH/LOW digital output, making it easy to interface with microcontrollers.

• LM393 Comparator Circuit
  Ensures fast response time and reliable signal processing.

• Wide Operating Voltage Range
  Compatible with 3.3V and 5V systems, suitable for most development boards.

• LED Status Indicators
  Power and output LEDs provide instant visual feedback for easy testing and debugging.

• Compact & Durable Design
  Small PCB size with robust construction for long-term operation.

• Easy Integration
  Simple 3-pin interface (VCC, GND, DO) enables quick installation without complex wiring.

Technical Specifications – SW-420 Vibration Sensor Module

• Sensor Type: Vibration / Shock Sensor

• Model: SW-420

• Comparator IC: LM393

• Operating Voltage: 3.3V – 5V DC

• Output Type: Digital (High/Low)

• Output Interface: DO (Digital Output)

• Sensitivity Adjustment: Onboard potentiometer

• Trigger Method: Vibration / Impact

• Response Time: Fast real-time detection

• Indicator LEDs: Power LED, Signal LED

• Pin Configuration: VCC, GND, DO

• PCB Size: Compact module design

• Operating Temperature: –20°C to +70°C

Specifications may vary slightly depending on the manufacturer.

Applications of SW-420 Vibration Sensor Module

The SW-420 vibration sensor module is highly versatile and suitable for a wide range of applications across consumer, industrial, and educational domains:

🔹 Security & Alarm Systems

Used in anti-theft alarms, door/window security systems, and intrusion detection, where vibration or impact triggers an alert.

🔹 Earthquake & Tremor Detection (Basic)

Suitable for educational and experimental earthquake detection projects and vibration monitoring demonstrations.

🔹 Industrial Equipment Monitoring

Helps detect abnormal vibrations in motors, machines, and mechanical systems, enabling preventive maintenance.

🔹 Smart Home & IoT Projects

Integrated into smart devices to detect movement, tampering, or structural vibration.

🔹 Automotive & Transportation

Used in vehicle alarm systems and motion-based monitoring solutions.

🔹 DIY Electronics & Robotics

Popular among hobbyists and students for Arduino and Raspberry Pi projects, robotics applications, and prototyping.

🔹 Educational & Training Kits

Ideal for electronics labs, engineering courses, and STEM education to demonstrate vibration sensing principles.

Why Choose the SW-420 Vibration Sensor Module?

The SW-420 module stands out for its simplicity, reliability, and affordability. Unlike complex analog vibration sensors, this module provides a clean digital output, reducing the need for additional signal processing. The adjustable sensitivity and visual LED indicators make setup quick and intuitive, even for beginners.

Its wide voltage compatibility, compact size, and robust design make it suitable for both permanent installations and experimental projects. Whether you are building a security system, monitoring machine vibrations, or learning embedded systems, the SW-420 vibration sensor module delivers consistent and accurate performance.

Upgrade your projects with the SW-420 Vibration Sensor Module and achieve reliable vibration detection with minimal setup and maximum efficiency.

Package Includes:

1 x SW-420 Vibration Sensor Module

FAQ

1. Where can we buy this SW-420 Vibration Sensor Module?

This product is available online https://aiiottech.in/product/230v-1-2-inch-solenoid-valve/ and also available at our store in Pudupakkam/Kelambakkam, Chennai-603103

2. When can I get this SW-420 Vibration Sensor Module after placing the order?

RGRJ AIIoT TECHNOLOGIES will immediately ship and deliver the product within 1-3 working days.

Video Link: Vibration Sensor (SW420) with Arduino