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Want to enter your hidden lair in style? Well [Jimmy] simply wanted to create a cool prop for his school's homecoming dance. This project includes some obvious inspiration from Wayne Manor. [Jimmy] wired up the automated entrance with a 12VDC motor. In order for it to be able to push the door , the motor had to be attached to a gearbox, which directly powered a wheel. Current consumption … [Read more...]
As part of a “disruptive technologies” course at the United States Military Academy, [Roy D. Ragsdale] produced a working prototype of a Google Street View-like system called PhotoTrail. Like its corporate-backed inspiration, the system captures georeferenced 360-degree panoramas that can be viewed interactively in a web browser…but at a hardware cost of only around $300. [Ragsdale’s] … [Read more...]
This jet powered carousel is brought to you by the Madagascar Institute. They convene, or collide, to create large scale art, sculptures, and rides. This one seems to fit the last definition. The two gentlemen are strapped to a jet powered carousel. It actually looks pretty fun, but we would have been needing some fresh shorts after the jet bursts into flames near the end. He didn't seem too … [Read more...]
Displaying custom fonts or images on an LCD screen using a microcontroller usually requires quite a bit of work. We've used some readily available tools to make this a bit easier for your next project. Our python script will convert BMP files into a header file ready for use with AVR microcontrollers. We'll walk you through it after the break. … [Read more...]
[Tim] sent us his Noise Box Synth. The box is a sixteen step synthesizer that can generate sine, square, triangle, and sawtooth waves as well as a collection of sound effects (video after the break). The hardware is simple; an Arduino, four potentiometers, four buttons, a switch, a speaker, and some LEDs. This was a gift for a three-year-old but we'd be just as happy unwrapping it ourselves. We … [Read more...]
The guys at Nerdkits have put together this tutorial on connecting a PS/2 keyboard to a microcontroller. Though this tutorial is written for one of the kits they sell, you should be able to apply this to pretty much any microcontroller. It is also a lesson in using interrupts instead of polling. They have several pre built examples ready to download as well as source code for the basic … [Read more...]
One of the highlights from the Music Hack Day in Berlin was the Arduino singing "Daisy Bell". If you don't know, this is an homage to the HAL 9000 in the movie 2001: A Space Odyssey; an artificial intelligence that was taught the song in its first steps toward self awareness culminating in an attempt to kill its masters. It's unlikely an Arduino will every make it to the point of attempted … [Read more...]
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