synth_tools

Back

CA3080 OTA, an expensive and rare chip these days ($3/ea on amazon, maybe fakes) VCA MK's VCA Everything by Hagiwo (quantizer, filters, noisemakers, etc MIDI-to-CV, either over USB or directly over 5-pin DIN (with optoisolator) What we build next? Pretty confident we do know we need a flat but not to front panel 24ca7abc85681936397a2802c8155420fcaf679c Added schmancy pcb for v1 build pushed tag v1 to synth_mages/MK_SEQ released Prototype Version 1.0 at synth_mages/MK_SEQ pushed tag v1.0 to synth_mages/MK_SEQ 18e376c67c Merge pull request 'Finish schematic, add PDF' (#2) from schematic by Eeschema 5.1.9-73d0e3b20d~88~ubuntu20.04.1 Generated from schematic into main afea9d5a2cf23e2a33a2927086270d4d602f5a2b Final revision; added custom DRC as project file (pts Final revision; added custom DRC as project file attr exclude_from_pos_files exclude_from_bom) Final revision; added custom DRC as project file tstamp 885d8854-95c7-40d1-bee9-0e598504ab1c) Final revision; added custom DRC as project file tstamp a19ef654-a631-44b9-8b6b-999333495c1b) Final revision; added custom DRC as project file tstamp 6b7d6cc6-a11c-4566-a5f2-ddde4d827642) Final revision; added custom DRC as project file tstamp 1c9c2c29-57db-4a4e-bbff-29f893ea0430) Final revision; added custom DRC as project file tstamp eb945be1-4d1d-46b5-b945-d4ebde74dae2) Final revision; added custom DRC as project file Final revision; added custom DRC as project file tstamp eb945be1-4d1d-46b5-b945-d4ebde74dae2) Final revision; added custom DRC as project file Final revision; added custom DRC as project file tstamp 62e17d71-a82e-47f7-8a14-a0885fbe0008) Final revision; added custom DRC as project file version 1) #Kicad 7 # 2-layer, 1oz copper condition "A.Type == 'via' && B.Type == 'track'" ; DRILL file {KiCad 5.1.10-88a1d61d58~90~ubuntu20.04.1} date Sat Aug 7 10:22:31 2021 e6b834b08c Fix floating pin for op amp in schmidt inverter mode, maybe both 7808 and hex inverter trigger are unnecessary? Alternative: Midi -> CV Alternative: CV from something else use a modified version of bornier5 simple 6pin terminal block, pitch 5.08mm, size 30.5x8.45mm^2, drill diamater 1.15mm, pad diameter 2.1mm, see http://www.te.com/commerce/DocumentDelivery/DDEController?Action=showdoc&DocId=Customer+Drawing%7F282834%7FC1%7Fpdf%7FEnglish%7FENG_CD_282834_C1.pdf, script-generated using https://github.com/pointhi/kicad-footprint-generator/scripts/TerminalBlock_MetzConnect THT single screw terminal thread redcube thr power connector REDCUBE THR with internal through-hole thread WP-THRBU (https://www.we-online.de/katalog/datasheet/74650073.pdf screw terminal block RND 205-00030 pitch 10mm size 115x10.3mm^2 drill 1.3mm pad 2.6mm Terminal Block WAGO 236-105, 45Degree (cable under 45degree), 9 pins, pitch 5mm, size 61.5x15mm^2, drill diamater 1.1mm, pad diameter.

New Pull Request

Labels Milestones