KELVIN® Electronics Kits
  • KELVIN® Electronic Chirp Kit

    KELVIN® Electronic Chirp Kit

    Automatically comes on with switch. Makes repeating cricket sound (time between two crickets) using piezo electric buzzer. Requires a 9V battery.

    $9.95
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  • KELVIN® Fiber Optic Alarm Chain Bulk Pack

    KELVIN® Fiber Optic Alarm Chain Bulk Pack

    Bulk Pack of 10 - As Low As $24.50 Per Kit! Design, Build and Test a Structure Wrap the fiber optic cord around a valuable possession. If the cord is cut, the relay will trigger your alarm circuitry (not included). The alarm can be de-activated or reset...

    $245.00
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  • KELVIN® Fiber Optic Alarm Chain Kit

    KELVIN® Fiber Optic Alarm Chain Kit

    Use this High Tech Fiber Optic Circuitry to trigger your alarm System. Wrap the fiber optic cord around your computer or valuable possession. If the fiber optic wire is cut, it's relay will trigger your alarm circuitry (alarm circuitry sold separately)...

    $29.95
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  • KELVIN® Flashing LED Heart Kit

    KELVIN® Flashing LED Heart Kit

    A heart is formed by 16 LEDs. The first switch flashes the whole heart, the second switch flashes 1/2 of the heart then the other. Requires a 9V DC battery.

    $11.95
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  • KELVIN® Function Generator Assembled Demo

    KELVIN® Function Generator Assembled Demo

    Real test equipment for an electronic technician or hobbyist. Produces sine, triangle and square waveforms with frequency range between 100Hz to 100KHz. Includes an amplitude adjustment. Requires a 9V battery. Teacher Demo Unit, Assembled/Tested.

    $69.95
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  • KELVIN® Function Generator Kit

    KELVIN® Function Generator Kit

    This function generator kit is a piece of test equipment for an electronic technician or hobbyist. Produces sine, triangle and square waveforms with frequency range between 100Hz to 100KHz. Also has an amplitude adjustment. Requires a 9V battery.

    $24.95
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  • KELVIN® Hanukkah Menorah

    KELVIN® Hanukkah Menorah

    The Hanukkah Menorah features big 10mm LEDs to simulate candles. Two small, low profile switches help "turn on" the right amount of LEDs or reset the unit. The assembled board is 6 in. long and 3 in. tall. Each kit includes: pc board, switches, LEDs, and...

    $34.95
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  • KELVIN® Hanukkah Menorah Assembled Demo

    KELVIN® Hanukkah Menorah Assembled Demo

    The Hanukkah Menorah features big 10mm LEDs to simulate candles. Two small, low profile switches help "turn on" the right amount of LEDs or reset the unit. The assembled board is 6 in. long and 3 in. tall. Can be powered by 9v battery (220019) or a 9V...

    $85.00
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