1x Distance Measuring Module Transducer Sensor For

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Description:

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