[Windell] from Evil Mad Scientist Laboratories took one of their Peggy 2 kits and gave it a little upgrade. The Peggy 2 is a programmable 25×25 LED display. It’s Arduino compatible and can accommodate big 10mm LEDs. Most people assemble them using just one color, but [Windell] decided to create giant RGB pixels by placing discrete red, green, blue, and white LEDs next to each other in the board. This creates a 12.5×12.5 grid of full color pixels. It’s an interesting effect and you should definitely check out the video embedded below which shows how the transition can be smoothed using a diffuser. Continue reading “Peggy 2 Super Pixels”
Here’s a pretty cool project done with the Lego NXT system. It’s a robot that will draw you a picture. Yes, we know it could be done cnc style, but this is much more fun. You load a picture into the software, adjust the levels so the software can create the vector version more easily, then let it rip. Now they need to add face recognition.
[TokyoDrift] has added mouse support to his PSP. He’s using a microcontroller to interpret for the PSP, through the serial port. You can see in the video above that this provides a functional mouse control, especially useful for first person shooter style games. He’s got lots of details as well as schematics available in the forum posts. We’ve seen other controllers added to the PSP, but this is the first time we’ve seen a mouse.
[Jonathan] sent us his final project for ECE 476. His group built an LED POV display that can be updated wirelessly from a computer. They built it in a somewhat modular fashion, with the LED strip being a simple to replace module. This goes along with their plan to build a 3D version of the display. They have made it able to switch easily from it’s internal programming to direct computer control, allowing them to leave it alone in clock mode, or take control to play with it. The updates seem really quick, you can see them in effect in the video after the break. All source code and schematics are available on the site. We love these final projects, they usually have tons of data and great pictures. Keep them coming.
Continue reading “Modular POV Final Project”