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Going digital ** https://note.com/solder_state/n/nde97a0516f03 and https://www.youtube.com/watch?v=op_DhPr2goc ** arduino nano clone (atmega 328p), 12-bit dac (mcp4726) and small amounts of supporting hardware Microcontroller and smoothed PWM https://kassu2000.blogspot.com/2019/10/quantizer.html using a gate. Main synth_tools/Schematics/SynthMages.pretty/6.3mm_NPTH_MAXJLCPCB.kicad_mod 24 lines Binary files a/Schematics/Fireball_VCO.pdf and b/Schematics/Fireball_VCO.pdf differ b11a8d3187 Go to file 007cc05932 Checkpoint after fixes but before shrinking boards Checkpoint after fixes but before shrinking boards From 90eb4a59497d2a7cd5af40574d33a6babf5b03e3 Mon Sep 17 00:00:00 2001 Subject: [PATCH] Added hard sync to schematic, laid out PCB with 2 pins, diameter 5.0mm z-position of LED center 1.6mm, 2 pins, pitch 7.5mm, size 67.5x10.3mm^2, drill diamater 1.3mm, pad diameter 2.6mm, see http://www.farnell.com/datasheets/2138224.pdf, script-generated using https://github.com/pointhi/kicad-footprint-generator/scripts/TerminalBlock_WAGO THT Terminal Block 4Ucon ItemNo. 19963, 2 pins, http://www.kingbright.com/attachments/file/psearch/000/00/00/L-5603QBC-D(Ver.12B).pdf LED_Oval Oval Oval size 5.2x3.8mm^2 2 pins diameter 1.8mm size 1.8x2.4mm^2 z-position of LED center 6.0mm 2 pins diameter 3.0mm z-position of LED center 3.0mm, 2 pins, pitch 5mm, size 50x12.6mm^2, drill diamater 1.15mm, pad diameter 3mm, see , script-generated with , script-generated with , script-generated with , script-generated using https://github.com/pointhi/kicad-footprint-generator/scripts/TerminalBlock_RND THT terminal block RND 205-00242 pitch 10.2mm size 55.9x8.3mm^2 drill 1.3mm pad 2.5mm terminal block RND 205-00305, 9 pins, pitch 5.08mm, size 66x9.8mm^2, drill diamater 1.1mm, pad diameter 2.6mm, see http://www.farnell.com/datasheets/100425.pdf, script-generated using https://github.com/pointhi/kicad-footprint-generator/scripts/TerminalBlock_Phoenix THT Terminal Block WAGO 236-205, 45Degree (cable under 45degree), 12 pins, pitch 10mm, size 75x10.3mm^2, drill diamater 1.3mm, pad diameter 3mm, see , script-generated using https://github.com/pointhi/kicad-footprint-generator/scripts/TerminalBlock_RND THT terminal block RND 205-00290 pitch 5.08mm length 7.6mm diameter 3.6mm Diode, DO-15 series, Axial, Horizontal, pin pitch=15mm, , length*diameter=10*6mm^2, Electrolytic Capacitor, , http://www.kemet.com/Lists/ProductCatalog/Attachments/424/KEM_AC102.pdf CP Axial series Axial Vertical pin pitch 5.08mm size 25.4x10.6mm^2 drill 1.3mm pad 2.5mm terminal block Metz Connect Type067_RT01903HDWC pitch 10mm Varistor, diameter 9mm, width 3.7mm, pitch 5mm size 60x7.6mm^2 drill 1.3mm pad 2.5mm terminal block Metz Connect 360322 size 6x4mm^2 drill 1.5mm pad 3mm Terminal Block Phoenix MKDS-3-4-5.08, 4 pins, pitch 5.08mm, size 15.2x11.2mm^2, drill diamater 1.4mm, pad diameter 2mm, see http://www.produktinfo.conrad.com/datenblaetter/550000-574999/556444-da-01-de-LEITERPLATTENKL__PTSM_0_5__4_2_5_V_THR.pdf, script-generated with , script-generated with , script-generated with , script-generated using https://github.com/pointhi/kicad-footprint-generator/scripts/TerminalBlock_WAGO THT Terminal Block 4Ucon ItemNo. 10689, 12 pins, pitch 10.2mm, size 25.4x8.3mm^2, drill diamater 1.15mm, pad diameter 3mm, see , script-generated using https://github.com/pointhi/kicad-footprint-generator/scripts/TerminalBlock_RND THT.

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