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Ultrasonic Sensor Module HC-SR04


Hc-SR04 è il top seller della vasta gamma dei sensori Ultrasuoni.


COD: IS-IM120628012 Categorie: , , ,


A short ultrasonic pulse is transmitted at the time 0, reflected by an object. The senor receives this signal and converts it to an electric signal. The next pulse can be transmitted when the echo is faded away. This time period is called cycle period. The recommend cycle period should be no less than 50ms. If a 10μs width trigger pulse is sent to the signal pin, the Ultrasonic module will output eight 40kHz ultrasonic signal and detect the echo back. The measured distance is proportional to the echo pulse width and can be calculated by the formula above. If no obstacle is detected, the output pin will give a 38ms high level signal.



  • Module Type Sensor
  • Weight 15.00g
  • Model IM120628012
  • Board Size 2.0 x 4.3 x 1.5cm
  • Version 1.0
  • Operation Level Digital 5V
  • Power Supply External 5V