Trying presence detection circuit

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Uploaded by on Aug 26, 2006

Simple circuit to detect people. The output voltage is between 0V and 4V. Useful for several applications.

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Howto & Style

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Uploader Comments (0verclock)

  • si ni que lo diga en catalán no lo vas a entender! jaja xD

  • it's very simple, the circuit uses two tipical BC transistors to amplify the signal, and the sensor is a cable connected to the base of the first transistor.

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All Comments (8)

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  • do you have some electronic plans for how to build it?

  • @Aitopes  where are the schematics availiable at

  • it seems nice. where can i get the schematics?

    pareceme bien. donde se puede sacar el dibujo?!

  • Overclock, quieres hablar que todos te entendamos, por favor?? Es a dir: en CATALA!!

  • Schematics available?

  • the tension is prortionat at distance, grat gain

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