KELVIN® Electronics Kits
  • KELVIN® Reaction Tester Bulk Pack

    KELVIN® Reaction Tester Bulk Pack

    Bulk Pack of 30 Kits As Low As $3.30 Per Kit A fun electronic game to play with, either by yourself or with friends. By building and using this kit, the reaction of anyone can be tested. The object of this game is to anticipate when the...

    $99.00
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  • KELVIN® Reaction Tester Kit

    KELVIN® Reaction Tester Kit

    A fun electronic game to play with, either by yourself or with friends. By building and using this kit, the reaction of anyone can be tested. The object of this game is to anticipate when the LED will light up and to release the switch at that exact...

    $3.95
    Add to Cart
  • KELVIN® Sound Activated Circuit Assembled Demo

    KELVIN® Sound Activated Circuit Assembled Demo

    Ideal kit for robotic and automation projects. By using sound or voice sources, a relay is energized. Increase or decrease the microphone level with the sensitivity adjustment. Requires a 9V battery. Teacher Demo Unit, Assembled/Tested.

    $59.95
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  • KELVIN® Sound Activated Circuit Bulk Pack

    KELVIN® Sound Activated Circuit Bulk Pack

    Bulk Pack of 10 Kits As Low As $10.50 Per Kit Ideal kit for robotic and automation projects. By using sound or voice sources, a relay is energized. Increase or decrease the microphone level with the sensitivity adjustment...

    $105.00
    Add to Cart
  • KELVIN® Sound Activated Circuit Kit

    KELVIN® Sound Activated Circuit Kit

    The ideal kit for your robotic and automation project. By using a sound or voice source, this kit will energize a relay. It has a sensitivity adjustment increase or decrease the microphone level. Requires 9VDC battery. Kit.

    $12.95
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  • KELVIN® Sound Effects v2 Kit

    KELVIN® Sound Effects v2 Kit

    New design features a programmed Arduino chip. Make four different sound effects; from a Laser Gun to Police Siren. Requires a 9V battery.

    $13.95
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  • KELVIN® Sound to Light Kit

    KELVIN® Sound to Light Kit

    This new KELVIN® kit includes seven super bright LED's that flash simultaneously to sound energy inputted through the onboard microphone. Sensitivity can be adjusted by turning the volume control.

    $12.95
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  • KELVIN® Speedy Brain

    KELVIN® Speedy Brain

    Just 4 LEDs and 4 push buttons provide hours of fun. The aim-of-the-game is to repeat a pattern, which is generated at random. Low power consumption. Micro-processor controlled. Auto power off. Requires [4] AA batteries. Kit.   Also check out...

    $19.95
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  • KELVIN® Strobe Light

    KELVIN® Strobe Light

    Popular kit flashes at a rate you control; from 120 to 300 times per minute, AC operated. Includes a pre- drilled PC board, components and instructions. Kit.

    $17.95
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  • KELVIN® Strobe Light Bulk Pack

    KELVIN® Strobe Light Bulk Pack

    Bulk Pack of 10 Kits As Low As $15.00 Per Kit This popular kit flashes at a rate you control; from 120 to 300 times per minute. AC operated. Kit includes a pre-drilled PC board, components and instructions. Requires a 9V battery. 

    $150.00
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  • KELVIN® Stroboscope

    KELVIN® Stroboscope

    Features a very powerful flash effect. For warning signs, as eye-catcher, alarm, etc. Auto turn on at dark mode with adjustable sensitivity. Requires a 9V battery or 12V DC.

    $15.95
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  • KELVIN® Temperature Control

    KELVIN® Temperature Control

    General purpose thermostat with a NTC temperature sensor with a range of (41 Degree F - 86 Degree F). A relay output control's high power load with a 30 second hysteresis. Kit requires a 9V DC battery. Kit does not include an enclosure.

    $13.95
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