On a breadboard ... with the help of an AND gate, the seconds counter rolls over to zero. After repeating that again for the minutes and building a similar circuit for the hour, and [Easton ...

The KiCad freeware schematic capture tool is used to configure an active circuit ... TTL gates in Sandwizz’s KiCad library. The power supply, integrated into the Sandwizz-breadboard, uses ...

Like its 0.1″ pitch counterpart, passive components can be thrown in 1″ pitch breadboard to create a myriad of analog circuits. The Twin Cities folks even tossed together an optical theremin ...