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V_margin+12; row_2 = row_1 + vertical_space/7; row_3 = working_increment*2 + row_1; row_4 = row_3 + vertical_space/7; cv_in_1a = [left_col, row_3, 0]; pwm_duty = [width_mm - h_margin - working_width/8, row_4, 0]; left_rib_x = 0; right_rib_x = width_mm - 10 - center_adjust; center_col = width_mm/2; vertical_space = height - v_margin - title_font_size*1.5; top_row = height - v_margin*2 - title_font_size; working_increment = (working_height-v_margin+thickness) / (9); // generally-useful spacing amount for vertical columns of stuff col_middle = col_left + (15.6 + 1.5 + 7 + 8); // pot + led + switch? Col_right = width_mm - col_right - thickness; // draw panel, subtract holes union() { difference(){ color([.1,.1,.1]) panel(width); // lower h-rib reinforcer ## Photos [to be added] ## Documentation: ### Documentation: * [Schematic](Docs/precadsr.pdf) * PCB layout: [front](Docs/precadsr_layout_front.pdf), [back](Docs/precadsr_layout_back.pdf * [How to use](Docs/use.md 96f746fa2d Final tweaks, version submitted to JLCPCB on 20240124 63579cf959 Add notes about UX component wiring 2x Sockets, all three pins need wires: - clk in - RESET / CASCADE in RESET / CASCADE out - could be shortened a bit with a 7-segment display with LED backlight 128x64 RS-232 I2C or SPI http://www.lcd-module.com/fileadmin/eng/pdf/grafik/edip160-7e.pdf LCD-graphical display with LED backlight 160x104 RS-232 I2C or SPI http://www.lcd-module.com/fileadmin/eng/pdf/grafik/edip320-8e.pdf LCD display 320x340 RS-232 I2C or SPI http://www.lcd-module.com/fileadmin/eng/pdf/grafik/edip320-8e.pdf LCD display 320x340 RS-232 I2C or SPI 3 Line 12 character wide alpha numeric LCD LCD-graphical display with LED backlight 240x128 http://www.lcd-module.com/fileadmin/eng/pdf/grafik/edip240-7e.pdf LCD graphical display 480x272 16-bit colour with led backlight TFT graphical display 480x272 16-bit colour with LED backlight 128x64 RS-232 I2C or SPI LCD graphical display LED backlight 160x104 RS-232.

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