HC-SR04 UltraSonic Sensor

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  •  130
  •  130
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SKU: Sen-10 Category: Tags: ,
Description

Ultrasonic ranging module HC – SR04 provides 2cm – 400cm non-contact measurement function, the ranging accuracy can reach to 3mm.
The modules includes ultrasonic transmitters, receiver and control circuit. The basic principle of work:

(1) Using IO trigger for at least 10us high level signal.
(2) The Module automatically sends eight 40 kHz and detect whether there is a pulse signal back.
(3) IF the signal back, through high level , time of high output IO duration is the time from sending ultrasonic to returning.
Test distance = (high level timeƗvelocity of sound (340M/S) / 2

Additional information
Weight 0.1 kg
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