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HC-SR04 Ultrasonic Module

HC-SR04 Ultrasonic Module

  • R 3250
  • Save R 250


Ultrasonic sensors (also known as transceivers when they both send and receive, but more generally called transducers) work on a principle similar to radar or sonar, which evaluate attributes of a target by interpreting the echoes from radio or sound waves respectively. Active ultrasonic sensors generate high frequency sound waves and evaluate the echo which is received back by the sensor, measuring the time interval between sending the signal and receiving the echo to determine the distance to an object. Passive ultrasonic sensors are basically microphones that detect ultrasonic noise that is present under certain conditions.

  • Power Supply :5V DC
  • Quiescent Current : <2mA
  • Effectual Angle: <15°
  • Ranging Distance : 2cm – 500 cm/1" - 16ft
  • Resolution : 0.3 cm

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