The HKD 801S Vibration Sensor Module is a high-precision, sensitivity-adjustable vibration switch module based on the 801S sensor and LM393 comparator chip. Designed for vibration detection in various electronic projects, it provides both analog output and TTL digital output, making it compatible with a wide range of microcontrollers such as Arduino. The on-board potentiometer allows fine adjustment of sensitivity, while the onboard LED indicator provides real-time signal feedback. With a compact design and convenient mounting holes, this module is suitable for security systems, industrial monitoring, and motion-sensitive projects.

Specifications:

Sensor: 801S Vibration Sensor
Comparator Chip: LM393
Working Voltage: DC 5V
Outputs: Analog signal + TTL digital signal
Signal Indicator: LED output status indicator
Sensitivity: Adjustable via onboard potentiometer
Detection Range: Non-directional vibration detection
Size: 20mm × 32mm × 11mm
Mounting: Includes mounting holes for easy installation

Features:

Dual output: TTL and analog
Adjustable sensitivity (fine-tuning)
Compact, lightweight design
Easy integration with Arduino, Raspberry Pi, and other microcontrollers
Reliable performance for vibration detection

Applications:

Anti-theft and security systems
Industrial machinery vibration monitoring
Smart home devices
Robotics and motion detection projects
DIY electronics and learning kits

Additional Information:

Device: Sensor Module
Type: Vibration | Adjustable | 5V

What's in the box
1 x HKD 801S Adjustable Vibration Sensor Module LM393 5V 3Pin