Robots w/Lasers

December 11, 2007

Designing my first PCB

So I built a pretty good prototype of my LED matrix, AVR-based toy (as you can see in my previous post, as well as this video). Now I’ve decided to get a PCB made, using mostly surface mount components, which will make it nice and compact. You can see to the right a 3D render of approximately what it will look like, right now a company in Bulgaria is fabricating my PCB, hopefully I’ll get it within another week or two.

Whether or not it actually will work once I get it & assemble it, remains to be seen.

I used cadsoft’s Eagle tool to design the PCB, and I used this plugin along with povray in order to create the 3d render. Also I sort of edited in the image of the LED matrix…since they didn’t already have a 3d part built for it. But it looks reasonable enough I think.

Filed under: AVR,Hardware — davr @ 5:01 pm

December 1, 2007

Freetype2 compiled for NDS

Someone was having trouble compiling it, so I threw this together real quick.
See FreeType’s official site for more info on it, but basically it’s a library for rendering nice ttf fonts, and it’s been compiled so that it can run on Nintendo DS. It wont do anything on its own, this is really only useful for homebrew developers who want to include some sort of nice font rendering.

freetype-2.3.5-nds-dka-r21.zip (1.2MB)

It’s been compiled with devKitARM r21, no guarantees it will work with any later/earlier version. In fact, no guarantees it will work at all, I haven’t actually tested it…but it compiles without any errors. I had to disable two checks in in the configure script, because it kept getting confused when I told it to compile for arm-eabi.

If anyone uses this, would be nice to know, drop me a line in the comment section.

Filed under: Nintendo DS,Software — davr @ 3:20 pm

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