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From abc34915f3e0cdda969d62254e292cd8631b805a Mon Sep 17 00:00:00 2001 Subject: [PATCH] Initial kicad, images, gitignore for kicad backups MK VCO and Luthers Samba Reggae 2 Pages Rhythms Table of Contents Near Future Sequencer MK's 5-step sequencer, expanded to 8 notes means ~$16-20 in parts, needing only one tl074 and support 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 ** https://www.instructables.com/Another-MIDI-to-CV-Box-/ 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 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 Deleting the wiki page "Samba Duro" cannot be undone. Continue? Schematics/Unseen Servant/Unseen Servant Front Panel v2.kicad_pcb Normal file Unescape Hardware/Panel/precadsr_panel_al/precadsr_panel_al.pretty/precadsr-panel-art.kicad_mod Normal file View File Panels/FireballSpell_Large_bw.png Executable file View File 3D Printing/Cases/Eurorack Modular Case/20210926_092448.jpg Executable file View File Schematics/shaek_try_1.diy Normal file Unescape rotate_vector_cos = 0.94; // 'x' of 20 degree rotation rotate_vector_sin = 0.34; // 'y' of rotation left_edge = -rotate_vector_sin * rail_depth; right_edge = height - v_margin - title_font; saw_out = [h_margin + working_width/4, row_1, 0]; pwm_in = [input_column + h_margin/2, row_1, 0]; square_out = [third_col, fifth_row, 0]; //left_rib_x = thickness + 6 + tolerance; // rib + half a jack col_right = width_mm - h_margin; input_column = h_margin; working_increment = working_height / 7; // rows up from a base. 11 SPDT switches: // 10 steps (sw1-sw10) // 1 rotary switch, 5+ positions 10 LEDs - one per step // 1 to 4.9 milli Ohm (http://http://www.vishay.com/docs/30108/wsk.pdf Shunt Resistor SMD.

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