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Back1.57mm PCBs, vertical, alignment pins, weld tabs, board locks (source: https://suddendocs.samtec.com/prints/hsec8-1xxx-xx-xx-dv-x-xx-footprint.pdf 0.8 mm BGA-64, 10x10 raster, 4.775x5.041mm package, pitch 0.65mm; see section 7.6 of http://www.st.com/resource/en/datasheet/stm32l072kz.pdf WLCSP-49, 7x7 raster, 3x3mm package, pitch 0.4mm pad, based on ** https://www.instructables.com/Another-MIDI-to-CV-Box-/ yet another version Alternative: CV from something else VCF MK's Diode Ladder VCF ~$8 in parts, mostly down to PCB edge 4.9399999999999995mm, see https://disti-assets.s3.amazonaws.com/tonar/files/datasheets/16730.pdf 15-pin D-Sub connector, solder-cups edge-mounted, female, x-pin-pitch 2.77mm, distance of mounting holes to PCB edge 7.4799999999999995mm, see https://disti-assets.s3.amazonaws.com/tonar/files/datasheets/16730.pdf 25-pin D-Sub connector, horizontal/angled (90 deg), THT-mount, female, pitch 2.41x1.98mm, pin-PCB-offset 8.35mm, distance of mounting holes 63.5mm, distance of mounting holes to PCB edge 11.32mm, see https://disti-assets.s3.amazonaws.com/tonar/files/datasheets/16730.pdf 25-pin D-Sub connector horizontal angled 90deg THT male pitch 2.77x2.84mm pin-PCB-offset 14.56mm mounting-holes-distance 63.5mm mounting-hole-offset 63.5mm 37-pin D-Sub connector horizontal angled 90deg THT female pitch 2.29x1.98mm mounting holes - disable for projection From ad96459571a569a983e452184e49702fe8779c4e Mon Sep 17 00:00:00 2001 Subject: [PATCH 06/18] tracks the ratsnest and compactifies the power 2 From 9e7b04561b8893062b3378503805ddd100c7260f Mon Sep 17 00:00:00 2001 Subject: [PATCH 01/13] initial notes for v1 front panel components version Latest commits for file Fireball/Fireball_panel.kicad_dru RV4 FM LVL Binary files /dev/null and b/Synth_Manuals/The MIDI Manufacturers Association - 1995 - MIDI 1.0 Detailed Specification.pdf elseif (strpos($article["link"], "www.phdunknown.com/index.php?id=") !== FALSE) { $xpath = $this->get_xpath_dealie($article['link']); $article['content'] = $this->get_img_tags($xpath, "//div[@id='comic-img']//img", $article); $alt_text = trim($entry->getAttribute('title')); $result_html .= $entry->ownerDocument->saveXML($entry); if (GDORN_DEBUG && $article['debug']) { $base_url = $article['link']; } From 2cddc4d62d38c9e1b69839f92a19e7915eecbceb Mon Sep 17 00:00:00 2001 Subject: [PATCH 08/18] couple more minor clearance tweaks Add ground fills, fix some clearance issues, add PCB slot, more options for potentiometer spoke placement Fix rail clearance issues, make all power traces large "rules": { PCB initial layout, no traces "silk_line_width": 0.15, "silk_text_italic": false, "silk_text_size_h": 1.0, "silk_text_size_v": 1.0, PCB initial layout, no traces Initial kicad, images, gitignore for kicad backups MK VCO and Luthers From 0d370a24cdcaf6d3fd7f0316855522b79df0fe9a Mon Sep 17 00:00:00 2001 Subject: [PATCH] updates to rev 2 beta by adding +5V, and both trigger/gate and CV routing } ], "meta": { More tweaks after pro review Apply jlcpcb's design rules, small fixes for those couple more minor clearance tweaks 9e7b04561b Add ground fills, fix some clearance issues, make all power traces large Added input resistor for sync; placed everything on PCB with exploratory 8hp layout.
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