new ultrasonic module hc-sr04 distance measuring transducer sensor arduino ranging selling
Description
description: module main technical parameters: 1.working voltage : 5v(dc) 2.static current: less than 2ma. 3.output signal: electric frequency signal, high level 5v, low level 0v. 4.sensor angle: not more than 15 degrees. 5.detection distance: 2cm-450cm. 6.high precision: up to 0.3cm 7.input trigger signal: 10us ttl impulse 8.echo signal : output ttl pwl signal
Technical Details
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