PIR Motion Sensor Module

PIR Motion Sensor Module

5v non-contact liquid level sensor-1

5v non-contact liquid level sensor

HC-SR04 Ultrasonic Range Measurement Module

Availability: In stock
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HC-SR04 is a non-contact distance measurement module, it provides high accuracy and high resolution ultrasonic proximity detection and ranging in air. This ultrasonic sensor detects objects from 2 cm to 4.5meters.


  • Power supply: 3.3~5V DC
  • Effectual angle: < 15 degrees
  • Ranging distance: 2cm to 450 cm
  • Resolution: 1 cm
  • Ultrasonic Frequency: 40kHz
  • Package List:

  • 1 x HC-SR04 Ultrasonic Range Measurement Module
  • Documents:

  • Demo code
  • Datasheet
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