In fact, a whole discipline called circuit sculpture exists that aims to ... a buffer capacitor and a 7805 regulator form a simple DC power supply, with its negative terminal connected to the ...

Sometimes you find a commercial product that is almost, but not exactly perfect for your needs. Your choices become: hack together a DIY replacement, or hack the commercial product to do what you ...

And they could be making a comeback. By Bill Gourgey By Tony Ware By Mack DeGeurin Get the Popular Science daily newsletter💡 Breakthroughs, discoveries, and DIY tips sent every weekday. Own a ...

the heart of the circuit is IC1, a TTL-compatible 74C925 CMOS IC. "Housed in a 16-pin DIL package, this device contains four decade counters, a status memory, a multiplexer, and a seven-segment ...