Jordi Bracke has gone about playing a CD the hard way. Instead of buying a $20 portable player he decided to interface a GameBoy system to play a CD using a computer ATAPI CD-ROM drive. Here is what you need to build your own: -A GameBoy to show track information and control the playing. -A GameBoy cartridge: we will need it to interface the GameBoy to a board. -An ATAPI
Bert van Dam wanted to alter the default operation of his SRF04 Range Finder. Some Lego, a bit of JAL microcontroller programming and a VB computer program has made an interesting project. Bert has made a number of other interesting projects, have a look. “The Devantech SFR04 Ultrasonic Range Finder indicates the distance to the closest object within range. Echo’s that arrive later are received and processed, but subsequently ignored.
Here is a neat mod by Evosapien to make your Robosapien V2 have better vision in low light conditions. Not to mention it looks very cool. You might remember Evosapien from a previous article. Chances are you have all of the required items, if not everything is relatively inexpensive. Here is the entire parts list required: * CD-ROM Audio Cable * white color LED * cable housing/shield * set of
Aaron Mavrinac has mad skills when it comes to soldering. “So I built a funky alarm clock out of an old Nintendo console. Why? Because I was at Value Village with my girlfriend and my sister, and while they were browsing through miles of clothing the only thing of interest I could find were two broken Nintendo units without paddles, and I had to do something with them.” read more | digg
Nathan True constructed a neat color shifting orb project. He was inspired by a Ask Slashdot question and looked at the Ambient Orb for design ideas. His initial idea of using a Parallax Basic Stamp was discarded since color mixing needed a faster processor. The solution was to go with a Microchip PIC16F84A, the 16F84 still has a large following since there are vast resources available on the internet for
The Superpositioned site has an interesting article about making a battery out of some pennies, an ice cube tray and a few paper clips. The battery is shown powering an LED. “In order to turn pennies into batteries, another electrode and an electrolyte are needed. In this case, dimes (zinc) are used as the positive electrodes and salt water is used an electrolyte. Copper wire, galvanized nails, and lemon juice
After outgrowing the capability of his Homeseer home automation system this guy decided to build his own. The system consists of a wide variety of hardware, everything from off the shelf X10 to custom build modules. For example to monitor his electricity consumption he is counting the number of times his meter flashes in a minute. What does it monitor? The easier question is what doesn’t it monitor… Currently it
