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74hc595's photostream
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IMG_1313
IMG_1308
Early breadboard. The knob hanging off the right side is the channel selector.
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Uploaded on Oct 21, 2011
IMG_1306
Early cardboard front panel, for testing one voice board. The "tremolo" knob directly controls...
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Uploaded on Oct 21, 2011
IMG_1304
IMG_1226
Testing the envelope generator. An LM324 and a binary weighted DAC are used as a 4-bit volume control circuit. It's hacktacular but it actually works!
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Uploaded on Oct 21, 2011
IMG_0943
IMG_0946
The front panel. The layout was created in Inkscape, printed on a laser printer, and glued to a piece of black foam core.
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Uploaded on Oct 20, 2011
Closeup of DL3422 22-segment display
Here you can see what the extra segments are used for--lowercase letters. There's a descender that allows...
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Uploaded on Apr 21, 2011
DL3422, DL2416, and DL1414
The DL3422 22-segment display is shown on the left, next to its more common cousins, the DL2416 and...
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Uploaded on Apr 21, 2011
7400 Drum Machine
Rare 22-Segment LED Display
1-Bit AVR Synthesizer
Homebrew 6809 Computer...
Terminalscope
Quick-and-Dirty EPROM Dumping
DIY Single-Sided PCB...
Nixie Clock II
Nixie Clock I
First PCB (32-Character.. .
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