James writes in with this fun project he made to help him find his tent at a festival. I like the way he interfaced his indicator beacon to the cell phone. When the phone gets an incoming call, it l...

Giancarlo Todone writes to tell us about his homebrew solution for converting an old keyboard to MIDI. The project is especially nice because he went beyond the standard on/off key detection, and add...

Seeed studio is designing what looks to be an ultra-portable digital storage oscilloscope, using the shell of a portable music player. Detailed specifications are questionably absent, however it look...

I love the full-scale size and community spirit of this Arduino-powered snowball game by Steve Jernigan. Instead of using a tiny screen, he hooked up a bunch of Christmas lights to make an interactiv...

Colorado Springs, CO maker Ravi Gaddipati has been working on a railgun for the better part of a year. The photo above shows a shot from version one -- with the projectile going plasma! Now he's n...

Sam Seide made this nicely constructed mini arcade machine for his son, using a 12-in-1 arcade joystick and the screen from a broken DVD player. You might remember Sam from his interactive punch-out ...

Design firm AWARE built this neat clock concept that plots your energy usage over the course of the day. The qualitative radial display allows one to quickly see what times you use the most energy. ...

Jeff of MightyOhm takes a look back at his solution for adding temperature control to a space heater - The project involves using a digital programmable thermostat to control an inexpensive space heat...

What do a tin of Spam, a multimeter and a hotplate have in common? They are all the components that Keith of Keith's Electronics Blog used to calibrate the extruder head on his Makerbot. By meas...

From the MAKE Flickr pool Windell of Evil Mad Scientist Laboratories shares some thoughts from his investigation into the electrical properties of LED throwies. Particularly interesting are his resu...