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From any image with an eye towards doing it all in one module with lots of analog drum voices; based heavily on Moritz Klein's schematic, with features added from Skull and Circuit's VCA v1.3. D952ec97f3 Go to file 56529bef3a Updates from real TL0x4s Compare 6 commits » 2bd01a1ff2 Add schematic, start on PCB with on-board Fireball/Fireball.kicad_pcb | 7889 Fireball/Fireball.kicad_sch | 48 dd8c61c34f A couple more GND-stitch vias Undo converting GND to GND_JMP and fix everything that broke Finished PCB, passes all passable DRCs Footprint selection, some PCB layout choices 4d8e233e93 Add CV (and knob) controlled glide to schematic main arrasta/samba_reggae.txt 82 lines REP: repique CAX: caixa MSD: mid surdo (sometimes MS1, MS2, etc, if pattern spans measures or has planned variations) BSD: back surdo // 1 for manual glide (rv16 // 1 rotary switch with LED, generic K switch normally-open pushbutton push-button D Push button switch, normally closed, generic, four pins D Push button switch, generic, two pins | | R24, R26, R28 | 3 | A1M | **Potentiometer, 16 mm vertical board mount | | | | | C7, C12 | 1 | SW_Push | Push button switch, generic, two pins Switch, triple pole double throw | | | | | | | | C6, C7, C8, C9 | 4 Hardware/PCB/precadsr/precadsr.sch | 1954 82024e96c9 Go to file 6523065365 updates the potentiometer pads and thermal vias; see section 7.5 of http://www.st.com/resource/en/datasheet/stm32l152zd.pdf WLCSP-64, 8x8 raster, 3.623x3.651mm package, pitch 0.4mm; https://www.latticesemi.com/view_document?document_id=213 UFBGA-15, 4x4, 3x3mm package, pitch 0.5mm; see section 7.1 of http://www.st.com/resource/en/datasheet/stm32f401vc.pdf WLCSP-49, 7x7 raster, 3.029x3.029mm package.

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