[Andrew Robinson] and his co-workers are lucky enough to have a Keurig coffee maker in their office, though they have a hard time keeping track of who owes what to the community coffee fund. Since K-Cups are more expensive than bulk coffee, [Andrew] decided that they needed a better way to log everyone’s drinking habits …
Securing your Keurig with RFID
DIY clapper is the ideal gift for the laziest person in your life
If you haven’t yet wrapped up your Christmas shopping, you may want to consider building [AlanFromJapan’s] implementation of the ever-classic “Clapper”. With its theme song burned into the brain of anyone old enough to remember the 80s, the clapper was a wonderful device that certainly put the “L” in laziness. Looking for an excuse to play …
Milling interlocking wooden rings
[Johan von Konow] wanted to make something special as a wedding gift to his wife. He decided a pair of interlocking miniature rings would be the perfect keepsake. He started his search for a way to mill the wooden rings from a solid piece of wood, and documented his journey for our enjoyment. This project …
Custom Massive LED panel lights up the party
The guys at BuildLounge wrote us to share a giant LED sign they came across in the submission pile for their “Win a Laser Cutter” contest that’s currently under way. [Stephen Shaffer] helps run a huge party called Fantastic Planet, for which the group typically outsources the lighting arrangements. They got tired of hiring light …
Laser etched PCB production
Like most of us, [reonarudo] isn’t satisfied with the current methods of homebrew PCBs, so he put a laser on a reprap and started burning some boards. The basic procedure is to cover a copper clad board with matte black spray paint. A laser was installed on the X carriage of the reprap. [reonarudo] used …
TI’s new web site appeals to the penny pincher in us
We’ve got to admit, we’re pretty much cheapskates when it comes to buying electronic bits online. Whether its microcontrollers or PCBs, we hate to part with money. So, we were pretty excited to hear that Texas Instruments is dishing out deals two weeks at a time to hackers, makers, and the like. Several of you …
DIY PCB exposure box looks professionally made
[Stynus] was frustrated with the fact that he would have to flip his PCBs over mid way through the exposure process, so he decided the best course of action would be to build his own double-sided PCB exposure box. He scored some UV LEDs on eBay, and after waiting a few weeks for PCBs to …
Juice Bridge powers your breadboard in a snap
[Quinn Dunki] got tired of messing around with wires when connecting things to her benchtop power supply, so she built herself useful little power bridge that plugs directly into any standard breadboard. The board is small and simple, but quite useful all the same. It was built to power both sides of the breadboard, and …
God’s own keyboard, now with Bluetooth
For decades a thunderous roar rose from the bowels of IBM keyboards like the animus of angry and forgotten gods. These keyboards have fallen silent of late, due only to incompatibility with newer hardware. Now, Model Ms have been given a reprieve from landfills or recycling centers because of the work of [wulax] of geekhack and his …
Visualizing PCB revisions using a Gerber viewer
We all know that Eagle has its share of shortcomings. Instructables user [westfw] was particularly annoyed by the fact that while Eagle keeps copies of up to 10 revisions of your board, it cannot open those files without resorting to manually renaming each one. Even more frustrating to him is the fact that you can’t …
