Category Archives: Power Supplies

  1. [TC] Bicycle Theft Guard

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    November 26, 2013 by MrJSY

    This antitheft device for bicycles is inexpensive and can be constructed easily using a few components.At the heart of the …
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  2. Tutorial: Making Solar Cell Using 2N3055 Transistor

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    September 23, 2013 by MrJSY

  3. [TC] Multifunction Power Supply


    July 23, 2013 by todayscircuits

  4. [TC] Multifunction Power Supply

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    July 9, 2013 by todayscircuits

  5. Mini UPS


    January 28, 2012 by todayscircuits

    Here the simple Mini UPS circuit diagram. This circuit can provide an uninterrupted power supply (UPS) to operate 12V, 9V …
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  6. >Battery eliminator circuit

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    June 13, 2011 by todayscircuits

    > Description. Here is the circuit diagram of a battery eliminator circuit that can be used as a replacement for …
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