[clarii_d] is currently completing up her thesis project on thermochromic pigment to silkscreen receipts. The idea behind it is that when a receipt is touched, part of it fades exposing a hidden message. As you can guess, thermochromic paint is a type of substance that changes color when introduced to heat — or in this […]
[Rich Olson] composed in to share his method for making dual-sided printed circuit boards utilizing a laser cutter. unfortunately this still depends upon etching copper clad boards with chemicals. but his process makes it truly easy to create well-defined and exactly aligned etch withstand on both sides of the board all at once. This can […]
There’s so much more to be discovered when your projects just don’t want to work. Grinding out the bugs, getting past roadblocks, and discovering gotchas is where real hacking know-how comes from. but most people aren’t motivated to document their failures. We want to change that. We want to roll out a new weekly feature […]
If you just wait around long enough, the future becomes the past. as well as that’s occurred to the “Back to the Future” future, as you most likely all remember. however BttF-themed jobs are still pouring in. [ossum] sent us the link for his develop of Doc Brown’s briefcase that only opens above 88 mph. […]
When do you requirement a portable Jacob’s Ladder? We don’t know, however obviously [mitxela] doesn’t want to leave house (or the laboratory) without one. So he developed a portable system that works for a few minutes on a battery. In the video (see below), he states he wouldn’t presume to insurance claim it was the […]
Lights on the tree? Check. provides under the tree? Check. Lights in the presents? Why not! If your gifts don’t look joyful sufficient as well as you have a spare inductive charging system lying around the house—though, you might always develop your own from scratch—you can brighten things up by installing a few LEDs in the […]
The black box mounted between two garage doors is actually a water heater controller. The entire assembly is a conglomeration of hacks which [Simon] added to his garage over the last four years. We’ll give you a quick rundown, but the entire story is told in his blog post. Back when the house was built [Simon] […]
MIDI, or Musical Instrument Digital Interface, has been the conventional for computer control of musical instruments since the 1980s. It is most typically associated with electronic instruments such as synthesisers, drum machines, or samplers, but there is nothing to stop it being applied to almost any instrument when combined with the appropriate hardware. [phearl3ss1] pushes this to the limit […]
Besides a coffee pot, the most crucial tool on the electronic tinkerer’s workbench is the soldering iron. Surprisingly, though, we haven’t seen lots of people build their own soldering stations. [Pjkim] did, and went so far as to include an easter egg for our Fubarino contest. A few years ago, [Pjkim] received a complimentary Soldering […]