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CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES ARISING OUT OF OR IN CONNECTION WITH THE USE OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF THE USE OR OTHER DEALINGS IN The MIT License (MIT) Copyright (c) 2015, Daniel Martí. All rights reserved. Redistribution and use in source and binary forms, with or without modifications, and in Source or Object form, provided that the following conditions are met: 1. Redistributions of source code must retain the above copyright notice and a tl072 arpeggiator needs a TLC7524/AD7524 (a simple DAC that's still sorta analog) and a big board behind it. Includes weird 8V linear regulator for the sake of code complexity. Odd values are -=1 difference() { difference() { linear_extrude(height) railProfile(); railSupportCavity(height); } } // Drugs and Wires drugs & wires, pilotside From bab77fac9dc44b0a10d743c564c65ae0938027f6 Mon Sep 17 00:00:00 2001 Subject: [PATCH] Notes from MK's PCB livestream - avoid non-circular holes in footprints whenever possible; some fabs charge more for ovals avoid non-circular holes in footprints whenever possible; some fabs charge more for ovals PCB layout: [front](Docs/precadsr_layout_front.pdf), [back](Docs/precadsr_layout_back.pdf) * [BOM](Docs/precadsr_bom.md) * [Build notes](Docs/build.md) How to use 7.5mm holes, not 6mm - alpha pots - 9.8mm, +2mm - rotary - 11.5mm, +3.5mm -- biggest by far, maybe 12.6mm? SR2511 series are 11.43? Maybe more? Distance between pcb and front panel, horizontal PCB mount, black chrome shell, https://www.neutrik.com/en/product/nc3mbh-b B Series, 3 pole female XLR receptacle, grounding: separate ground contact to mating connector shell and front panel, vertical PCB mount, https://www.neutrik.com/en/product/nc5mbv speakON Combo, 2 pole chassis connector, gray D-size flange, self tapping screw holes (A-screw), horizontal PCB mount, retention spring instead of latch, https://www.neutrik.com/en/product/nc3fav2-0 A Series, 3 pole male XLR receptacle, grounding: without ground / shell contact, lateral left PCB mount, https://www.neutrik.com/en/product/nc3maav A Series, Chassis connector Phoenix H male (A series layout), horizontal PCB mount, http://cherryamericas.com/wp-content/uploads/2014/12/mx_cat.pdf Cherry MX keyswitch 2.75u Matias/ALPS keyswitch, 1.50u, PCB mount, black chrome shell, https://www.neutrik.com/en/product/nc3fbh2-b B Series, 3 pole female receptacle, grounding: mating connector shell and front panel, steel.

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