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5Pcs Geekcreit® Ultrasonic Module HC-SR04 Distance Measuring Ranging Transducer Sensor DC 5V 2-450cm

4.4

★★★★★

$5.99 /$7.31

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$3.00 /$7.31

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n   Descrip   ion:
n
n   Working Vol   age : 5V(DC)
n   S   a   ic Curren   : Less    han 2mA.
n   Ou   pu    Signal: Elec   ric frequency signal, high level 5V, low level 0V.
n   Sensor Angle: No    more    han 15 degrees.
n   De   ec   ion Dis   ance: 2cm-450cm.
n   High Precision: Up    o 0.3cm
n   Inpu    Trigger Signal: 10us TTL impulse
Signal : ou   pu    TTL PWL signal
n   Mode of connec   ion:
n   VCC
n      rig(T)
n   ech0(R)
n   GND
n
n   Use Me   hod:
n
n   Supply module wi   h 5V,    he ou   pu    will be 5V while obs   acle in range, or 0V if no   .The ou    pin of    his module is used as a swi   ching ou   pu    when an   i-   hef    module, and wi   hou       he fee    when ranging modules.
n   No   e :    he module should be inser   ed in    he circui    before been power, which avoid producing high level of misopera   ion;if no   ,    hen power again.
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n   Module Working Principle:
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n   1. Adop    IO    rigger    hrough supplying a    leas    10us of high level signal.
n   2. The module au   oma   ically send eigh    40khz square wave and au   oma   ically de   ec    whe   her receive    he re   urning pulse signal.
n   3. If    here is signals re   urning,    hrough ou   pu      ing high level and    he    ime of high level con   inuing is    he    ime of    ha    from    he ul   rasonic    ransmi      ing    o receiving. Tes    dis   ance =(high level    ime * sound (340M/S) / 2.
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n   No   e:
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n   This module is no    sui   able    o connec    wi   h elec   ric power, if you need    o connec       his module wi   h elec   ronic power,   hen le       he GND    erminal of    his module    o be connec   ed firs   ,o   herwise, i    will affec       he normal work of    he module
n
n   Package Included:
n
n   5 x HC-SR04 Ul   rasonic Module Dis   ance Measuring Transducer

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