In his neverending quest to life off the grid, Mikey Sklar made a LED grow lamp from some LEDs, a power supply, and an old broiler pan, which functions as a heat sink. Mikey writes: A 33 watt grow light made from 19 blue and red LEDs. Each LED is glued onto a broiler pan […]
All toy instruments should have MIDI jacks – The idea was to take a child’s toy xylophone and get the computer to play it. Now I know that the computer is capable of making noises electronically but it is much more interesting to watch an instrument being automatically played. I am sure you have all […]
Brushbots are little bot-like paint brushes that make art on their own… Brush Bots are tiny machines that work in tandem with the user in creating generative art. Released on top of a piece of paper, the BrushBots zoom, careen, and spin around the interior of a simple wooden frame in wild and unpredictable patterns. […]
I-Wei thought his SwashBot 2 was cool and all, but had lost some of the character of his original SwashBot. So, he built a third version that combines the mobility of the second with the charm and personality of his first crab bot. To build the body and the leg components, he used an amazing […]
This kit looks pretty easy to use, just send the line to be displayed over a COM port. It even supports hex letters (a,b,c,d,e,f) – of course, a 14-segment version would be even cooler. Still, a lot of potential applications – USB7 Related: U-Disp – An open source USB display & Seven-segment big LED display […]
Just when you thought you had them all, the Arduino mutates yet again – The new Arduino Nano is the smallest and most versatile Arduino board yet. Designed and manufactured by US-based Gravitech, it has all the functionality of an Arduino Diecimila in a compact, breadboard-ready design. The Nano includes an ATmega168 microcontroller (w/ bootloader), […]
It was announced yesterday that sometime back in September 2006 a line of code was removed from the Debian distributed OpenSSL package. That one line of code was responsible for causing an uninitialized data warning in Valgrind. It also seeded the random number generator used by OpenSSL. Without it, the error went away, but the […]
