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Another fairly simple one, using Arduino (nano or uno) + MCP4725 (DAC). ** https://hkadesign.org.uk/monotronkb.html for yet another fairly simple one, using Arduino (nano or uno) + MCP4725 (DAC). ** https://hkadesign.org.uk/monotronkb.html for yet another version Alternative: CV from something else VCF MK's Diode Ladder VCF ~$8 in parts, depending on PCB Checkpoint after converting most things to SMD 53c46eece1 Still trying to add hard sync input. - Portamento (aka slew rate controller aka glide). - Knob version fairly simple. CV version maybe possible, but a much bigger circuit. Haven't found a simple implementation. Can be passed in as parameter to eurorackPanel() walls=true; wall_size=5; threeUHeight = 133.35; // overall 3u height panelOuterHeight =128.5; panelInnerHeight = 110; // rail clearance issues, make all power traces large "rules": { PCB initial layout, no traces PCB initial layout, no traces "copper_text_size_h": 1.5, "copper_text_size_v": 1.5, "copper_text_thickness": 0.3, PCB initial layout, no traces PCB initial layout, no traces Initial kicad, images, gitignore for kicad backups .gitignore | 16 .../PinHeader_1x02_P2.54mm_Vertical.kicad_mod | 35 ....2mm_P5.00mm_FKS2_FKP2_MKS2_MKP2.kicad_mod | 35 .../Kosmo_Panel_Mounting_Hole.kicad_mod | 17 .../Kosmo_Jack_Hole_NPTH.kicad_mod | 17 .../precadsr_panel_al/precadsr_panel_al.sch | 264 .../Panel/precadsr_panel_al/sym-lib-table | 4 .../PCB/precadsr_Gerbers/precadsr-F_Paste.gbr | 4 .../PCB/precadsr_Gerbers/precadsr-F_Mask.gbr | 481 .../PCB/precadsr_Gerbers/precadsr-B_Paste.gbr | 15 .../precadsr_aux_Gerbers/precadsr-F_SilkS.gbr | 2066 .../precadsr_aux_Gerbers/precadsr-NPTH.drl | 4 Docs/precadsr_bom.md | 3 | A1M | \*\*Potentiometer, 16 mm vertical board mount OR: | | | | R24, R26, R28 | 3 | 10k | Resistor | | Tayda | A-4349 | | | | J5, J12, J13 | 3 | 2_pin_Molex_connector | 2 .../precadsr_panel_al-cache.lib | 123 create mode 100644 Synth_Manuals/Kassutronics_Slope_Build_Docs_2.0A-1.pdf.

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