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Practice, but ho-dang what a mess romps with traces, vias, and net links Add four more switches/buttons, move LED drivers onto PCB added the once through idea with commentary by 496e3e3344 Correcting changed filename in .prl Correcting changed filename in .prl * LEDs in many places might be fine, might introduce intermittents - Don't put R8 so close to R26 D36/R47 too close From 812d609d12a788e600a582b2b6e7494f6d2b0728 Mon Sep 17 00:00:00 2001 Subject: [PATCH] Optional capacitor socket Docs/precadsr_bom.md | 3 | AudioJack2 | Audio Jack, 2 x 6mm drills 3 pin Molex header 2.54 mm spacing | Tayda | A-159 | | Tayda | A-805 | | | | | | | | | R23, R24, R25, R27 Switch, triple pole double throw K switch triple-pole double-throw DPDT 3pdt ON-ON D Double Pole Single Throw (SPST) switch, small symbol D 6x DIP Switch, Single Pole Single Throw (DPST) Switch K switch dual double-pole single-throw OFF-ON D Single Pole Single Throw (SPST) switch with signal lamp, generic K switch sp3t ON-ON-ON D Switch, dual pole double throw, illuminated paddle, red and green LEDs K switch normally-open pushbutton push-button LCD D MEC 5G single pole normally-open tactile switch SPST right angle, stacked (https://www.molex.com/content/dam/molex/molex-dot-com/products/automated/en-us/salesdrawingpdf/484/48406/484060001_sd.pdf USB 3.0 3.1 3.2 4.0 Type-C receptable, through-hole mount, SMD, right-angle (http://www.molex.com/pdm_docs/sd/473460001_sd.pdf Micro B horizontal dustproof waterproof IP67 XKB Connectivity, USB Micro-B, right-angle, SMT, https://datasheet.lcsc.com/lcsc/2204071530_G-Switch-GT-USB-7010ASV_C2988369.pdf USB Type B TWP-4002D-H3, https://www.technik.com.hk/images/pdf_product/WP4002D-H3-A_2.0.pdf USB Micro B horizontal USB Micro-B receptacle, horizontal, SMD, 10118193, with flange, https://cdn.amphenol-icc.com/media/wysiwyg/files/drawing/10118193.pdf Dustproof Micro USB Type B SMT Horizontal 5 Contacts (https://katalog.we-online.de/em/datasheet/65100516121.pdf Mini USB 2.0 USB TYPE C, RA RCPT PCB, SMT, https://gct.co/files/drawings/usb4115.pdf USB Type-C 3.0 Receptacle, 24-pin, right angle right angle CCA Lumex RGB LED, clear, SMD, https://www.lumex.com/spec/SML-LX0303SIUPGUSB.pdf Lumex RGB LED, http://www.inolux-corp.com/datasheet/SMDLED/Addressable%20LED/IN-PI554FCH.pdf LED RGB NeoPixel Nano PLCC-4 2020 5.0mm x 5.0mm PLCC4 Addressable RGB LED NeoPixel addressable Kingbright, dual LED, red-green, dome lens, 3.2 x 2.4 mm Surface Mount Single Row 2.54mm (0.1 inch) Pitch PCB Connector, M20-89003xx, 3 Pins per row (http://www.molex.com/pdm_docs/sd/460071105_sd.pdf), generated with kicad-footprint-generator Soldered wire connection with double feed through strain relief, for 3 times outer diameter, generated with kicad-footprint-generator Molex CLIK-Mate series connector, B6B-XH-AM, with boss (http://www.jst-mfg.com/product/pdf/eng/eXH.pdf), generated with kicad-footprint-generator Molex LY 20 series connector, SM10B-SRSS-TB (http://www.jst-mfg.com/product/pdf/eng/eSH.pdf), generated with kicad-footprint-generator Molex LY 20 series connector, S4B-PH-SM4-TB (http://www.jst-mfg.com/product/pdf/eng/ePH.pdf), generated with kicad-footprint-generator Tantalum Capacitor SMD AVX-U (7361-438 Metric), IPC_7351 nominal, (Body size source: http://www.tortai-tech.com/upload/download/2011102023233369053.pdf), generated with kicad-footprint-generator ipc_noLead_generator.py QFN, 48 Pin (http://www.st.com/resource/en/datasheet/stm32f042k6.pdf#page=94.

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