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-25%
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$19.95
$26.90
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An impressive display using 20 LEDs that chase forward and backward • just like scanners seen in space movies. •Kit includes PCB, LEDs and all electronic components. 12VDC power required. Instructions sold separately or wit...
New
-25%
Regular price
$17.95
$23.95
In stock
Dazzling display using 10 LEDs that appear to chase each other. Build for a shop, theater or advertising display. •Kit includes PCB, LEDs and electronic components. •12VDC power required Instructions sold separately or with...
New
-14%
Regular price
$34.95
$40.95
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This two part kit uses an infrared beam to communicate between the controller and relay boards. When the control button is pressed the relay will switch on momentarily or toggle on/off. •Kit includes PCBs, 9V battery and all el...
New
-25%
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$17.95
$23.95
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Recover your stolen goods using an FM radio. This kit transmits a tone over the FM band so that you can track it down using an FM radio. •Kit includes PCB, 9V battery and all electronic components. Instructions sold separat...
New
-23%
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$19.95
$25.95
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Mount across a path or doorway. When a person or object breaks the beam the loudspeaker will sound. Kit includes PCB, LDR, speaker and all components. 12VDC power required. Specifications Kit Form : Short Fo...
New
-26%
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$18.95
$25.95
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Another useful little kit that generates the sound of a classic Ding Dong door bell. Just the thing for your front door. •Kit includes PCB, speaker and all components. •12VDC power required. Instructions sold separately or ...
New
-13%
Regular price
$39.95
$45.95
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Digital Multimeter Kit Learn everything there is to know about component recognition and basic electronics with this comprehensive kit. From test leads to solder, everything you need for the construction of this meter is inclu...
New
-24%
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$18.95
$24.95
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Designed by DIYODE Magazine, the Choppy PWM controller is a bare bones motor speed controller. This kit is a bare bones motor speed controller for fairly low current, low voltage applications. It is ideal, for example, to cont...
New
-25%
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$17.95
$23.95
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This logic probe will help you diagnose and troubleshoot your 3.3V or 5V circuits, including Arduino and Raspberry Pi projects. It indicates a logic low or logic high state on the green and red LEDs, and shows a shift between s...
New
-5%
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$99.95
$105.95
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Originally invented in 1919 using valve technology, and as featured on the soundtrack for the 1951 film "The Day the Earth Stood Still", the all "new" completely transistorised Theremin will give you a truly retro sound. Th...