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    superuffe's Avatar
    superuffe Posts: 1, Reputation: 1
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    #1

    Mar 3, 2015, 10:05 AM
    Electrical resonance
    Me and my friends are currently working on a project where we have basically soldered a microphone unto a circuit with a small laser pointer. We have a receiver circuit consisting of a photo resistor and a speaker. With this we can transmit signals by speaking into the microphone and pointing the laser at the photo resistor

    link to a very advanced circuit diagram made using paint:

    https://docs.google.com/document/d/1NcSP-98I_n5qDcMzdrr0joo2xU3k2GFHG6CTNElRpHA/edit?usp=sharing

    My question is: Since electrical resonance occurs at a certain frequency, and then the impedance becomes purely resistance, would the right frequency, i.e the one making resonance, lead to a better result since there would be no reactance to impede the transmission
    talaniman's Avatar
    talaniman Posts: 54,327, Reputation: 10855
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    #2

    Mar 3, 2015, 02:23 PM
    The link didn't work so hard to review your project.
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