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 […]
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 […]
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!
Add bright lighting to your space with powerful LEDs housed in PVC.
Plug your guitar into light-programmable waveforms with this unique effects box.
In this project, you’ll learn how to solder together a battery-powered, 555 Timer-driven blinky toy.
