Practical Kits

C6862 Telephone Ring Flasher Kit
Here's a useful kit to prevent missed phone calls when the TV or stereo is a little too loud. Each time any phone in the house rings, a brilliant red light from 5 red LEDs will flash. Skill Level 2.
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C6862   $8.25

C6718 Phone Hold with Music Kit
This handy kit not only puts your caller on hold, but also plays the “Marine Hymn (Halls of Montezuma)” to entertain the caller on hold. Kit uses a sophisticated music IC, a CMOS IC, 3 transistor and 1 SCR circuit. Skill Level 2.
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C6718   $13.25

C6754 The Sound Wizard On/Off Switch Kit
Control lights, music, radios, alarms, etc. with just a clap of your hands. Clap once and this kit closes a set of relay contacts to switch your item on. Clap again to turn it off. Skill Level 2.
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C6754   $10.25

C6849 433MHz Keychain Remote Control System Kit
This system consists of a keychain remote (assembled) and a 433MHz Receiver Kit that you build. The receiver features a DPDT relay and is perfect for various applications in robotics, alarms, remote light activation, and more. Skill Level 3.
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C6849   $25.50

C6742 Metal Locator Kit
Detect coins, rings, burried treasure and more with this simple to build kit. Transistorized circuit uses sensistive circuit and coil. Skill Level 1.
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C6742   $4.50

C6924 Compact Lightning Detector Kit Compact Lightning Detector Kit
This kit can be used to detect lightning strikes many miles away. With each strike a brilliant white LED flashes and a built in speaker chirps. Skill Level 3.
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C6924   $14.95

C6925 Deluxe Lightning Detector Kit Deluxe Lightning Detector Kit
This kit can be used to detect lightning strikes many miles away. With each strike a brilliant cluster of 5 bright white LEDs flash and a built in speaker chirps. Skill Level 3.
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C6925   $18.95

C6908 Temperature Warning Kit
This kit can be set to indicate a rise or drop in temperature. You simply adjust the control knob on the kit for the ambient control temperature that the thermistor is sensing. Skill Level 1.
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C6908   $5.25

C6906 Create a Display Flasher Kit
This kit allows you to flash your name, artwork, design, etc., at various speeds. Very attractive and can be used to make flashing electronic nametags or desk nameplates. Skill Level 2.
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C6906   $10.95