Commercial Geiger counters can cost hundreds of dollars. Build your own at a fraction of the price! This easy-to-solder kit can be built in an evening and it works just like you think it would; clicking and blinking in the presence of radiation. Just follow the instructions here to build it and use it. Your […]
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In this project, we will combine an Arduino, a Ping sensor, and a small assortment of components, to build a project that senses distances as “hot/cold.” Once built, we’ll walk through the software running our basic “sketch,” (what an Arduino program is called) and then experiment with variations of the “hot/cold” theme, all the while […]
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Learn how to build inexpensive powered speakers that amplify the output of your headphone music player. It may be small, but this speaker can still rock!
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Add bright lighting to your space with powerful LEDs housed in PVC.
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Plug your guitar into light-programmable waveforms with this unique effects box.
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In this project, you’ll learn how to solder together a battery-powered, 555 Timer-driven blinky toy.
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