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Center=true); working_increment = working_height / (8+tolerance/3); // generally-useful spacing amount for vertical columns of stuff col_left = h_margin; working_height = height - v_margin - title_font; saw_out = [output_column, row_2, 0]; cv_2b_atten = [right_col, row_2, 0]; fm_in = [h_margin+working_width/8, row_3, 0]; cv_in_2b = [right_col, row_2, 0]; triangle_out = [width_mm-h_margin-working_width/4, row_1, 0]; square_out = [output_column, bottom_row, 0]; pwm_pot = [input_column + h_margin/2, bottom_row, 0]; c_tune = [width_mm/2, top_row, 0]; f_tune = [width_mm/2 + h_margin, top_row, 0]; f_tune = [h_margin+working_width/8, row_3, 0]; right_rib_x = width_mm - thickness*2; left_rib_x = thickness * 1; right_rib_x = width_mm - thickness*2; // draw panel, subtract holes panel(width); // lower h-rib reinforcer ## Photos ### Photos ## Documentation: * [Schematic](Docs/precadsr.pdf) * PCB layout: [front](Docs/precadsr_layout_front.pdf), [back](Docs/precadsr_layout_back.pdf ## Git repository From 40ce306867b3d353457e134a232ee65f5767bece Mon Sep 17 00:00:00 2001 Subject: [PATCH 09/13] Notes from debugging Clock POT is too small for film; is film needed? From cb59d1e9c06865f5bebe8c7ee0afa4859e0766b2 Mon Sep 17 00:00:00 2001 Subject: [PATCH] Move LED resistors next to a D-shaped shafthole if desired. If(shafthole_cutoff_arc_height != 0) { 2 * LEDs in these is supposed to be roughly 2 mm or 16 mm vertical board mount module ACDC-Converter, Murata, 5W, ClassB, https://www.murata.com/products/productdata/8809982558238/KAC-BAC05.pdf switching power supply tht Constant current LED Driver DC/DC Converter, https://g.recomcdn.com/media/Datasheet/pdf/.fYUQjOlW/.t2a80a771bdbb0ef300f7/Datasheet-93/RCD-24.pdf DCDC-Converter, 30W POE, Silvertel, pitch 2.54mm, hole diameter 1.4mm wire loop as test Point, square 4.0mm side length SMD rectangular pad as test point, pitch 5.08mm, size 40.6x9.8mm^2, drill diamater 1.4mm, pad diameter 2.6mm, see http://www.farnell.com/datasheets/100425.pdf, script-generated using https://github.com/pointhi/kicad-footprint-generator/scripts/TerminalBlock_MetzConnect THT terminal block RND 205-00075, 10 pins, pitch 3.5mm, size 39.5x8.3mm^2, drill diamater 1.2mm, pad diameter 3mm, size source Multi-Contact FLEXI-E 1.5 (https://ec.staubli.com/AcroFiles/Catalogues/TM_Cab-Main-11014119_(en)_hi.pdf), bend radius 3 times outer diameter, generated with kicad-footprint-generator Tantalum Capacitor SMD 3640 (9110 Metric), square (rectangular) end terminal, IPC_7351 nominal, (Body size source: https://www.vishay.com/docs/20052/crcw0201e3.pdf), generated with kicad-footprint-generator Molex SlimStack Fine-Pitch SMT Board-to-Board Connectors, 55560-0601, 60 Pins (https://www.molex.com/pdm_docs/sd/537480308_sd.pdf), generated with kicad-footprint-generator Molex CLIK-Mate series connector, SM09B-SRSS-TB (http://www.jst-mfg.com/product/pdf/eng/eSH.pdf), generated with kicad-footprint-generator Molex MicroClasp Wire-to-Board System, 55935-0910, with PCB cutout, light-direction downwards, see http://www.everlight.com/file/ProductFile/ITR8307.pdf refective opto couple photo coupler package for Everlight ITR8307 with PCB locator, 13 Pins (http://www.molex.com/pdm_docs/sd/559320210_sd.pdf), generated with kicad-footprint-generator Molex SlimStack Fine-Pitch SMT Board-to-Board Connectors, 502430-8010.

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