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MK's VCA Probably a straightforward build: one op-amp, four transistors and some example modules schematic start, and some example modules Latest commits for file Images/befaco_vcadsr.png Add befaco image for inspo Images/befaco_vcadsr.png | Bin 0 -> 92229 bytes Panels/FireballSpellSmall.png | Bin 0 -> 38764 bytes .../Font files/futura medium condensed bt.ttf 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*2 - title_font_size; working_increment = working_height / 5; row_2 = row_1 + vertical_space/7; cv_in_1a = [left_col, row_1, 0]; triangle_out = [width_mm-h_margin-working_width/4, row_1, 0]; pwm_in = [input_column + h_margin/2, bottom_row, 0]; pwm_duty = [input_column, bottom_row, 0]; cv_in = [input_column, row_2, 0]; triangle_out = [output_column, row_2, 0]; cv_2b_atten = [right_col, row_5, 0]; audio_out_1 = [right_col, row_3, 0]; c_tune = [width_mm/2 - h_margin, top_row, 0]; f_tune = [width_mm/2 - h_margin, top_row, 0]; f_tune = [width_mm/2 + h_margin, top_row, 0]; scale([.38,.38,-.005]) surface("FireballSpellVertSmaller.png", center=true, invert=false); */ module panel(h) { width_mm = hp_mm(h); difference() { difference() { Fix for two bugs in Doghouse Diaries rss: spaces in img src and quotes in alt/title text under images (extra useful for feedback effects where one sequencer is interacting with another). More of an experimental functionality From 734cf9b18c60a281be644f29cc7855602eaad99d Mon Sep 17 00:00:00 2001 Subject: [PATCH 01/13] initial notes for v1 front panel Added schmancy pcb for v2 front panel 24ca7abc85681936397a2802c8155420fcaf679c updated C14 footprint, traces, groundplane updated C5 footprint & tracing; schematic annotation update with full threaded nose, https://www.neutrik.com/en/product/nrj6hh-au Slim Jacks, 6.35mm (1/4in) stereo jack (T/TN/R/RN/S), https://www.neutrik.com/en/product/nj5fd-v 6.35mm (1/4 in) Vertical Jack, 3 x 3 mm, 0.5 mm pitch, ultra thin SMD package; 3 leads; body: 4.3x6.1x0.43mm, https://www.vishay.com/docs/95570/to-277asmpc.pdf 3-pin TSOT23 package, http://cds.linear.com/docs/en/packaging/SOT_8_05-08-1637.pdf Texas Instrument DRT-3 1x0.8mm Pitch 0.7mm http://www.ti.com/lit/ds/symlink/tpd2eusb30.pdf DRT-3 1x0.8mm.

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