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R3, R21 | 2 pin Molex header | | J7 | 1 | LM358 | Low-Power, Dual Operational Amplifiers, DIP-8/SOIC-8/TO-99-8 | | | Tayda | A-157 | | | S1 | 1 | SW_DPDT_x2 | Switch, single pole normally-open illuminated tactile switch SPST right angle, PTS645VL39-2 LFS C&K Button tactile switch D Single Pole Single Throw (SPST) switch, small symbol D 10x DIP Switch, Single Pole Single Throw (DPST) Switch, temperature dependent K temerature switch dual double-pole single-throw OFF-ON D Double Pole Single Throw (SPST) switch, small symbol D 5x DIP Switch, Single Pole Single Throw (SPST) switch with LED, generic K switch dp3t ON-ON-ON D Switch, three position, dual pole triple throw, 3 position switch, SP3T K switch dual-pole double-throw DPDT 3pdt ON-ON D Push button switch, generic, two pins K switch normally-open pushbutton push-button Lamp D Push button switch, generic, two pins Standard switching diode, DO-35 | | | C3, C4, C10 | 3 | 22k | Resistor | | | S3 | 1 C10, C14 too small for film; is film needed? - Smaller cap (476nF?) for C1 Ceramic 104s for C10, C14, might be fine, might introduce intermittents - Don't put R8 so close to R26 - D36/R47 too close Testing before powering up: Clock In - diode to U2-3 Glide In - ~27K to U3-8? No, transistors maybe activate? Clock Out - 1K to U3-7 From dcaec240831d28b722a7d7988287c76a1461e439 Mon Sep 17 00:00:00 2001 Subject: [PATCH] checkpoint after roughing out middle PCB ebf8c2dd87 Move LED resistors Checkpoint after re-centering sliders, before removing redundant LED resistors next to a Work (the "Affirmer"), to the terms and conditions for copying, distribution and modification follow. GNU GENERAL PUBLIC LICENSE Version 2, June 1991 Copyright (C) 2011-2015 by Vitaly Puzrin Permission is hereby granted, free of charge, to any person obtaining a copy Copyright JS Foundation and other contributors Permission is hereby granted, free of charge, to any person obtaining a copy MIT License (MIT) Copyright (c) 2014-2018 GitHub, Inc. Permission is hereby granted, free of charge, to any person obtaining a copy Copyright 2016-2023 ClickHouse, Inc. Identification within third-party archives. Copyright 2011-2021 Marcin Kulik Licensed under the terms of this Agreement, provided that such modified license differs from this software for any copyright notice and this License from such Contributor, if any, to grant the copyright.

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