Dave from uC Hobby writes: This is the third in a series of articles about generating sound with an Arduino. In this article we bit-bang our way through Jingle Bells. It’s almost Christmas so why not make a festive microcontroller project? Arduino Sound Part 3. Playing a Melody – Link Related: Making Arduino sing – […]
The latest issue of Robot magazine is out. As always, they’ve posted an extended article from the mag online. This one’s a run-down of all of the programming languages and development environments available for use with LEGO Mindstorms NXT. Programming Solutions for the LEGO Mindstorms NXT – Link
What do you do when good hard drives go bad? Tell me if this sounds familiar. You spend a year or two filling up an enormous external hard drive, and just as you start thinking it might be a good idea to buy another enormous drive to back up your data, you boot your computer […]
There are a couple decent software packages available for using your soundcard as an oscilloscope. Using the line-in or mic-in will allow you to sample signals below 44.1kHz with 16-bit resolution (depending on your soundcard). For Linux, there’s an open source GTK package called xoscope that is pretty well maintained. On the PC side, you […]
Johnny Lee at Carnegie Mellon University figured out how to use the Wiimote’s infrared camera to track his fingers, Minority Report style. Link. (Thanks, Matt!)
With just a wire, a wood screw, and a drinking straw you can go MacGyver on your PC’s WiFi and make yourself an omnidirectional “range extender” antenna, similar to what you’d find in the store for $30. There isn’t a lot of talk about the reasoning behind the antenna design… it’s just a straight duplicate […]
MP4 | Hi-Def | Blip | Youtube | PDF | Subscribe This week, take the first step towards making your own self-replicating rapid-prototyping robot! You can order up your boards, from the Reprap foundation or make your own since the whole project is open source. Get your parts and solder these up and test them! […]
