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wraggster
November 27th, 2013, 22:25
http://hackadaycom.files.wordpress.com/2013/11/euro.png?w=620&h=317
Synth heads and electronic music aficionados the world over love a good rackmount synth. These days, though, synthesis tends more toward small, digital, and ‘retro’ rather than the monstrous hulking behemoths of the 60s and 70s. [gieskes] might be ahead of the curve, here, as he’s built a Game Boy module for his eurorack synthesizer (http://gieskes.nl/undefined/eurorack/?f=euroboy).
The software running on [gieskes]‘s Game Boy is the venerable Little Sound DJ (http://www.littlesounddj.com/lsd/) (LSDJ), the last word in creating chiptunes on everyone’s favorite 8-bit handheld. As with any proper Game Boy used in chiptunes, there are a few modifications to the 1980s era hardware. [gieskes] tapped into the cartridge connector with a ‘repeat’ signal that provides slowed down, noisy signals for LSDJ. There’s also pitch control via CV, and the audio output is brought up to 10Vpp
In the video below, you can see [gieskes]‘ euroboy in action with a few Doepfer synth modules. There’s also a very cool pulse generator made from an old hard drive in there, so it’s certainly worth the watch.

http://hackaday.com/2013/11/27/a-modular-game-boy-synthesizer/