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  1. J

    Op - Amp Application in a Device ..

    Please help me to find a device with an op-amp application. and what is its role in that device. It could be cheap because we are planning to buy one for our project.  ;D Thanks for the help. Godbless.
  2. J

    HELP! how can i increase a piezo electric current?

    can you give me the link for the forum please? thanks! lol ;D
  3. J

    HELP! how can i increase a piezo electric current?

    Yes sir, we are trying to power up the LED. But the LED is too dim when we apply mechanical forces. We tried 4 transducers in parallel but the LED is still too dim. I searched about Darlington Circuit, is it advisable to use this circuit to increase our current with battery?
  4. J

    HELP! how can i increase a piezo electric current?

    @ Hero999 all of our ceramic transducers are in parallel.. We don't really have a schematic.. We just need some advice on how can we increase our current.. ???
  5. J

    HELP! how can i increase a piezo electric current?

    We have a small project about piezo electric. We used ceramic transducers and our problem is that the current is too small. Our LED's are dull and not a bright as the normal brightness of LED's. Please lend us some advice on how to increase our current. Does Darlington Circuit really helps...
  6. J

    Voltage Doppler for 6v lead acid battery

    Is it possible to put a Voltage Doppler to a 6V lead acid rechargeable battery that makes a 12V bulb or anything that lights. DC connection. pls help .. thanks (: And how much is a peizoelectric nowadays?
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