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Piezo as glass vibration sensor

Discussion in 'Sensors and Actuators' started by dxpwny, Nov 19, 2013.

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  1. dxpwny

    dxpwny

    30
    0
    Jul 9, 2011
    I want to build a little circuit to detect vibration of the glass in a window pane. I was told that a Piezo may help. Can anyone suggest what general parameters of a piezo I should look for in buying some for this application ?
     
  2. OLIVE2222

    OLIVE2222

    690
    25
    Oct 2, 2011
    Hi,

    The better ones for such application are the "unpackaged" ones as they allow a wide contact with the glass surface, see:
    https://www.sparkfun.com/products/10772

    The kit looks expensive to me, you probably can hire such piezo on Ebay for few bucks or even scrap them.

    regards,
    Olivier
     
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