1x Distance Measuring Module Transducer Sensor For

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Description:

Adopts IO port for at least 10us high level signal.
It can send eight 40khz square wave automatically, and detect if there is any signal returned.
If the signal returning, output high level signal via IO port. The duration of the high level signal is the time from sending to returning.
Measuring distance=duration of high level (340m/s)/2
Power supply :5V DC; Quiescent current :