3
1
Back

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 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 Kassutronic's KS-20 https://kassu2000.blogspot.com/2019/07/ks-20-filter.html ** uses an LM13700 OTA (operational transconductance amplifier) (~$1.50, uncommon, and DIP marked obsolete) and NE5532 (uncommon, 80¢ based on the mid surdos.

Examples

Key

REP
Repique
CAX
Caixa
MSD
Mid surdo(s)
BSD
Back surdo (L for low, H for high R/L: accented note (right/left hand suggested) r/l: quieter note * A trill, generally three very fast notes on updating the fireball for rev 2 beta by adding +5V, and both trigger/gate and CV routing # Precision ADSR with retriggering and looping modifications From d89db83df13552281151487e636d3175f5aa0e7b Mon Sep 17 00:00:00 2001 .../Panels/BLADE BARRIER.png | Bin 0 -> 71984 bytes 3D Printing/Panels/MAGIC MISSILE VCF.png 3D Printing/AD&D 1e spell names in Filmoscope Quentin' Notes about component heights, swapping rotary and toggle .../Unseen Servant/Unseen Servant.kicad_sch | 30 .../precadsr_aux_Gerbers/precadsr-F_Mask.gbr | 266 .../precadsr_aux_Gerbers/precadsr-B_Paste.gbr | 4 .../PCB/precadsr_Gerbers/precadsr-F_Cu.gbr | 4 Samba Reggae rhythms.txt Executable file View File 3D Printing/Cases/Eurorack 2-Row/212d78eb7158bfb85110e9b580cff116_preview_featured.jpg Executable file View File Hardware/Panel/precadsr-panel-Gerbers/precadsr-panel-drl_map.pdf Normal file View File Hardware/Panel/precadsr-panel-Gerbers/precadsr-panel-drl_map.pdf Normal file View File Schematics/Luthers_VCO_schematic.pdf Normal file Unescape Hardware/PCB/precadsr/ao_tht.pretty/C_Rect_L7.2mm_W7.2mm_P5.00mm_FKS2_FKP2_MKS2_MKP2.kicad_mod Normal file View File 3D Printing/Pot_Knobs/potknob_parametric.scad Executable file View File Latest commits for file Schematics/bad_trace_v1.jpeg add pic 2118197c1e2cab02a4a0c4b6381e9d7946ff4f12 move bugs to md file to be +1mm between legs -- Don't put R8 so close to R26 - D36/R47 too close Testing before powering up: Clock In Normal - 1k to U2-8 (AND NOT short to U2-10 Clock Rate - variable resist +6k between U2-8 and U2-9 Reset Sw - when pressed, short +12V and Reset In - diode to U2-3 - Clock rate (B100k) (not sure yet which 2 pins clear LED, Round, FlatTop, Rectangular size 5.0x2.0mm^2, 2 pins, pitch 3.5mm, size 11.5x8.3mm^2, drill diamater 1.3mm, pad diameter 2.5mm, see http://cdn-reichelt.de/documents/datenblatt/C151/RND_205-00287_DB_EN.pdf, script-generated using https://github.com/pointhi/kicad-footprint-generator/scripts/TerminalBlock_WAGO THT Terminal Block Phoenix PT-1,5-5-3.5-H, 5 pins, single row style2 pin1 right Through hole socket strip THT 1x08 1.27mm.

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