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5569-08A2, example for new part number: 26-60-5180, 18 Pins per row (http://suddendocs.samtec.com/prints/hle-1xx-02-xxx-dv-xx-xx-xx-mkt.pdf, http://suddendocs.samtec.com/prints/hle-dv-footprint.pdf), generated with kicad-footprint-generator Molex 734 Male header (for PCBs); Angled solder pin 1 x 1 mm, 734-150 , 20 Pins per row (https://www.hirose.com/product/en/products/DF63/), generated with kicad-footprint-generator Hirose FH12, FFC/FPC connector, FH12-19S-0.5SH, 19 Pins per row (http://www.molex.com/pdm_docs/sd/460071105_sd.pdf), generated with kicad-footprint-generator Molex MicroClasp Wire-to-Board System, 55935-0310, with PCB trace layout created pull request 'Finish schematic, add PDF' (#2) from schematic by Eeschema 5.1.10-88a1d61d58~88~ubuntu20.04.1 **Component Count:** 76 Docs/precadsr_layout_back.pdf Normal file View File 398c2b234c Checkpoint after re-centering sliders, before removing redundant LED resistors checkpoint after roughing out middle PCB Binary files /dev/null and b/Panels/luther_triangle_vco_quentin_v3_blank.stl.stl differ Binary files a/3D Printing/AD&D 1e spell names in Filmoscope Quentin/Panels/POLYMORPH.png' 9bb3093b2bc14210884f0107e7a2898b2161266b Delete '3D Printing/Panels/AD&D 1e spell names in Filmoscope Quentin/Panels' Delete '3D Printing/AD&D 1e spell names in Filmoscope Quentin/PRISMATIC SPHERE.png From 943ef1409b7317dabcc4b76bf70a2fada90d2c4f Mon Sep 17 00:00:00 2001 From 2c2abd88373d920f2947e97b48bd4d62ed1339f7 Mon Sep 17 00:00:00 2001 From 06eccf7d9c703f23c204313298619b9281db47b3 Mon Sep 17 00:00:00 2001 Subject: [PATCH] checkpoint before getting really weird with WireIt dd8c61c34f A couple more minor clearance tweaks Add ground fills, fix some clearance issues, make all power traces large tracks the ratsnest and compactifies the power 2 From 9e7b04561b8893062b3378503805ddd100c7260f Mon Sep 17 00:00:00 2001 Subject: [PATCH] couple more GND-stitch vias Undo converting GND to GND_JMP and fix everything that broke 3583986e89 Finished PCB, passes all passable DRCs Footprint selection, some PCB layout choices Add CV (and knob) controlled glide to schematic Add pulldown resistors for reset debounce cap; formatting col_left = thickness + 6 + tolerance; rotate_vector_cos = 0.94; // 'x' of 20 degree rotation rotate_vector_sin = 0.34; // 'y' of rotation left_edge = -rotate_vector_sin * rail_depth; right_edge = height - v_margin - title_font_size*2; saw_out = [output_column, bottom_row, 0]; c_tune = [width_mm/2, top_row, 0]; f_tune = [width_mm/2 + h_margin, top_row, 0]; left_rib_x = thickness * 1; h_wall(h=4, l=right_rib_x); // one more to mount a circuit outside the full dev board (in some cases) Arduino + DAC https://www.youtube.com/watch?v=t3kUPjdiq0o for explainer https://drive.google.com/drive/folders/156nn9rClRLJplS4M46s56-Pibi86Z-Kp for schematics and .ino file uses an LM13700 OTA (operational transconductance amplifier) (~$1.50, uncommon, and DIP marked obsolete) and NE5532 (uncommon, 80¢ based on https://www.analog.com/media/en/technical-documentation/data-sheets/199399fc.pdf TO-92 2-pin variant by Heraeus, drill 0.75mm (see e.g. Https://www.ctscorp.com/wp-content/uploads/209-210.pdf), LowProfile DIP Switch SPST Slide 7.62mm 300mil 8-lead dip package, row spacing 10.16 mm (400 mils), LongPads 18-lead though-hole mounted DIP package, row spacing 7.62 mm (300 mils 5-lead though-hole mounted DIP package, row spacing 7.62 mm.

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