The object of your desire will not be able to resist this heart shaped kitsch-o-tron, lovingly hand-crafted on perfboard with a CD4017B dec...

Powered by a solar panel, this miniature robot shuffles towards the light.

While we are on the subject of calculators , this one has been ever so slightly -- what is the word? -- doctored for use as an animated nam...

Perhaps the world has no need for another blinky LED candle effect. But with Halloween coming up, I was still in the mood for repurposing lo...

For my entry to the Dangerous Prototypes 7400 Contest , I decided to make a true random number generator. In particular, I wanted a latching...