Jim Chen designed an excellent electronic "Whack-a-Mole" game using 555 timers, LEDs, and bent-diode touch sensors, that you can build on a solderless breadboard
When it comes to decorating, I picture exactly what I want, then refuse to settle for less.
“Reduce, reuse, and recycle” have replaced “reading, ’riting, and ’rithmetic” as the three Rs foremost in people’s minds.
The Luna Mod is an easy and fun instrument that will have you making great-sounding loops in no time. Rather than sampling input like a traditional loop station, the Luna Mod synthesizes its own sounds, and you play it using two knobs and one button.
Talk in secret over your own private laser beam link.
Some scrap plywood and a sheet of plexiglass fitted with a few cents’ worth of hardware is all it takes to get those must-frame items out of your drawers and onto your walls.
The George Nelson ball clock is a neat little slice of mid-century art and architecture, but with the current licensed reproduction selling for around $265, I decided that if I were going to have one, it would have to be an unofficial version.
Powering a TV remote with the sun means you won’t have to buy batteries every six months to surf from your sofa. Low-voltage devices that use power only occasionally, like remotes, are good candidates for a solar-powered trickle-charge. Here’s how we modded our remote to live off of the sun, using rechargeable batteries connected in parallel with a small solar cell and a diode to keep any power from trickling back out.
Using this simple technique, you can etch a design into a thin pane of clear plastic sheeting, then enclose the edges of the plastic with reflective tape and embed a battery-powered LED.
Computers add binary numbers constantly, but we never see how.
For this project, you need to have a Linux computer, or else the things I describe will not work.
Would you let your guests crap in a box on your floor?
