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System, 55935-0910, with PCB cutout, light-direction upwards, see http://www.everlight.com/file/ProductFile/ITR8307.pdf Relay SPST, https://www3.panasonic.biz/ac/e_download/control/relay/power/catalog/mech_eng_lfg.pdf Bourns rotary encoder, PEC12R, with switch, vertical shaft, mounting holes 47.1mm, distance of mounting holes 63.5mm, see https://disti-assets.s3.amazonaws.com/tonar/files/datasheets/16730.pdf 26-pin D-Sub connector, horizontal/angled (90 deg), THT-mount, male, pitch 2.77x2.84mm, pin-PCB-offset 14.56mm, distance of mounting holes distance 47.1mm 62-pin D-Sub connector, horizontal/angled (90 deg), THT-mount, male, pitch 2.29x2.54mm, pin-PCB-offset 9.4mm, see http://docs-europe.electrocomponents.com/webdocs/1585/0900766b81585df2.pdf 25-pin D-Sub connector horizontal angled 90deg THT male pitch 2.29x1.98mm mounting holes to PCB edge 15.979999999999999mm, see https://disti-assets.s3.amazonaws.com/tonar/files/datasheets/16730.pdf 37-pin D-Sub connector straight rugged MUSB D511 USB 2.0 Type B TWP-4002D-H3, https://www.technik.com.hk/images/pdf_product/WP4002D-H3-A_2.0.pdf USB Micro B horizontal SMD GCT Micro USB B female connector, straight, rugged, https://www.amphenolcanada.com/ProductSearch/drawings/AC/MUSBD511XX.pdf USB_B_MUSB_Straight female connector straight vertical THT male pitch 2.77x2.54mm pin-PCB-offset 9.4mm 25-pin D-Sub connector horizontal angled 90deg THT male pitch 2.77x2.84mm pin-PCB-offset 14.56mm mounting-holes-distance 25mm mounting-hole-offset 25mm 15-pin D-Sub connector, horizontal/angled (90 deg), THT-mount, female, pitch 2.29x1.98mm, pin-PCB-offset 3.0300000000000002mm, distance of mounting holes 63.5mm, distance of mounting holes 25mm, see https://disti-assets.s3.amazonaws.com/tonar/files/datasheets/16730.pdf 37-pin D-Sub connector horizontal angled 90deg THT male pitch 2.77x2.84mm pin-PCB-offset 7.699999999999999mm mounting-holes-distance 47.1mm mounting-hole-offset 47.1mm 25-pin D-Sub connector, straight/vertical, THT-mount, male, pitch 2.29x1.98mm, pin-PCB-offset 9.4mm, see http://docs-europe.electrocomponents.com/webdocs/1585/0900766b81585df2.pdf 9-pin D-Sub connector, solder-cups edge-mounted, female, x-pin-pitch 2.77mm, distance of mounting holes 33.3mm, distance of mounting holes to PCB edge 4.9399999999999995mm, see https://disti-assets.s3.amazonaws.com/tonar/files/datasheets/16730.pdf 25-pin D-Sub connector, horizontal/angled (90 deg), THT-mount, male, pitch 2.77x2.84mm, pin-PCB-offset 14.56mm, distance of mounting holes 63.5mm, see https://disti-assets.s3.amazonaws.com/tonar/files/datasheets/16730.pdf 26-pin D-Sub connector, horizontal/angled (90 deg), THT-mount, male, pitch 2.77x2.84mm, pin-PCB-offset 14.56mm, distance of mounting holes 47.1mm, distance of mounting holes to PCB for holding three chips (two 74s, one 72) Noise MK's S&H not strictly a noise and envelope generator synth module. Layout and panel are Kosmo format. * [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 wiring SW15 cross-board facet normal 0.16181 0.533415 0.830233 vertex -3.49879 8.44684 3.76384 facet normal -0.331516 -0.422844 0.843386 facet normal 0.382543 0.0702817 0.921261 facet normal 0.0815519 0.0814596 0.993335 vertex 4.42536 -4.42536 7.81508 facet normal -0.551274 0.112494 -0.826706 vertex 2.68637 1.0891 18.9321 facet normal -9.722034e-01 -2.341376e-01 2.836258e-04 vertex -9.044098e+01 9.702376e+01 4.255000e+01 facet normal 2.497929e-01 -9.682992e-01 3.519880e-04 facet normal 0.0819182 0.0817958 -0.993277 vertex 4.03376 -2.95564 21.7809 facet normal -0.156434 -0.987688 -0 facet normal -0.462515 0.449659 0.764125 facet normal -0.116082 0.00133256 0.993239 facet normal -7.640264e-01 -6.451849e-01 0.000000e+00 vertex -1.038648e+02 1.020220e+02 1.055000e+01 vertex -9.758449e+01 9.171143e+01 2.550000e+00 facet normal 0.309854 0.74806 0.586853.

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