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HC-SR04 Ultrasonic Distance Sensor

The HC-SR04 is an extremely popular ultrasonic sensor. There are many libraries for this sensor that make it easy to interface to various types of microcontrollers, such as Arduinos and PIC microcontrollers.


  • Voltage: 5V
  • Sensor Angle: 15 degrees max
  • Range: 0.8in to 14.7ft (2cm to 450cm)


Arduino tutorial & example code: Using an HC-SR04 ultrasonic sensor with Arduino

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