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Drum voices; based heavily on Moritz Klein's work, but with buffering between (some) stages. Needs a TLC7524/AD7524 (a simple DAC that's still sorta analog) and a big board behind it. Includes weird 8V linear regulator for the Adafruit Feather 32u4 RFM Footprint for Mini-Circuits case GP731 (https://ww2.minicircuits.com/case_style/GP731.pdf) following land pattern PL-247, including GND-vias (https://ww2.minicircuits.com/pcb/98-pl035.pdf Footprint for Mini-Circuits case CD636 (https://ww2.minicircuits.com/case_style/CD636.pdf) following land pattern PL-035, including GND-vias (https://ww2.minicircuits.com/pcb/98-pl052.pdf Footprint for Mini-Circuits case QQQ130 (https://ww2.minicircuits.com/case_style/QQQ130.pdf) following land pattern drawing: https://ww2.minicircuits.com/pcb/98-pl225.pdf Footprint for Mini-Circuits case GP1212 (https://ww2.minicircuits.com/case_style/GP731.pdf) following land pattern PL-176, including GND vias (https://ww2.minicircuits.com/pcb/98-pl236.pdf Footprint for Mini-Circuits case CK605 (https://ww2.minicircuits.com/case_style/CK605.pdf Footprint for Mini-Circuits case CD636 (https://ww2.minicircuits.com/case_style/CD636.pdf) following land pattern PL-230, including GND vias (https://ww2.minicircuits.com/pcb/98-pl012.pdf Mini-Circuits top-hat case DB1627 (https://ww2.minicircuits.com/case_style/DB1627.pdf Footprint for Mini-Circuits case HF1139 (https://ww2.minicircuits.com/case_style/HF1139.pdf) following land pattern drawing: https://ww2.minicircuits.com/pcb/98-pl094.pdf Footprint for Mini-Circuits cas HZ1198 (https://ww2.minicircuits.com/case_style/HZ1198.pdf) following land pattern PL-236, including GND vias (https://ww2.minicircuits.com/pcb/98-pl012.pdf Mini-Circuits top-hat case DB1627 (https://ww2.minicircuits.com/case_style/DB1627.pdf Footprint for mini circuit case CD542, Land pattern PL-094, pads 5 and 6); middle of slider.

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