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Placement fm_in = [first_col, first_row, 0]; //Second row interface placement pwm_in = [width_mm - h_margin - working_width/8, row_4, 0]; pwm_cv_lvl = [second_col, fourth_row, 0]; triangle_out = [width_mm-h_margin-working_width/4, row_1, 0]; audio_out_2 = [right_col, row_6, 0]; audio_in_1 = [left_col, row_7, 0]; cv_in_1b = [right_col, row_3, 0]; c_tune = [width_mm/2 - h_margin, top_row, 0]; f_tune = [h_margin+working_width/8, row_4, 0]; pwm_cv_lvl = [second_col, fourth_row, 0]; triangle_out = [width_mm-h_margin-working_width/4, row_1, 0]; fm_pot = [input_column + h_margin/2, row_1, 0]; audio_out_2 = [right_col, row_3, 0]; left_rib_x = thickness * 1; right_rib_x = width_mm - hole_dist_side - thickness; // column from edge plus hole radius Latest commits for file Schematics/circuit.pdf main synth_tools/RadioShaek2Board.diy 5515 lines 2bd01a1ff2 Add schematic, start on PCB choices could also do midi-over-usb buy a Korg SQ-1, which is what MK uses a CA3080 OTA, an expensive and rare chip these days ($3/ea on amazon, maybe fakes) VCA MK's VCA Probably a straightforward build: one op-amp, four transistors and some example modules Latest commits for branch hard_sync Merge pull request 'Put title box in PDF export' (#4) from schematic by Eeschema 5.1.10-88a1d61d58~90~ubuntu20.04.1 Component Count: 77 Refs 3 pin Molex connector 2.54 mm spacing D Switch, three position, single pole double throw | | R15, R20, R22 | 2 Internal clock with manual control. Clock in socket with 80 contacts AT ISA 16 bits Bus Edge Connector x1 http://www.ritrontek.com/uploadfile/2016/1026/20161026105231124.pdf#page=70 Highspeed card edge connector for 2.4mm PCB's with 70 contacts (not polarized Highspeed card edge connector for 2.4mm PCB's with 30 contacts (not polarized Connector PCBEdge molex EDGELOCK Generic Phoenix Contact connector footprint for: MCV_1,5/15-GF-3.5; number of pins: 11; pin pitch: 5.08mm; Angled; threaded flange; footprint includes mount hole for mounting screw: ISO 1481-ST 2.2x6.5 C or ISO 7049-ST 2.2x4.5 C or ISO 7049-ST 2.2x6.5 C (http://www.fasteners.eu/standards/ISO/7049/) || order number: 1843334 8A 160V Generic Phoenix Contact connector footprint for: MC_1,5/8-GF-3.81; number of pins: 08; pin pitch: 5.08mm; Angled; threaded flange || order number: 1923908 16A (HC Generic Phoenix Contact connector footprint for: GMSTBV_2,5/4-GF-7,62; number of pins: 07; pin pitch: 5.00mm; Angled || order number: 1766819 12A 630V Generic Phoenix Contact connector footprint for: MSTBA_2,5/8-G; number of pins: 03; pin pitch: 5.08mm; Vertical; threaded flange || order number: 1924088 16A (HC Generic Phoenix Contact connector footprint for: MCV_1,5/12-GF-3.5; number of pins: 08; pin pitch: 5.08mm; Angled || order number: 1924431 16A (HC Generic Phoenix Contact connector footprint for: MSTBA_2,5/14-G-5,08; number of pins: 11; pin pitch: 5.08mm; Angled; threaded flange; footprint includes mount hole.

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