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Top knob working_width = width_mm - h_margin; cv_in = [input_column, bottom_row, 0]; fm_in = [h_margin+working_width/8, row_3, 0]; c_tune = [width_mm/2 - h_margin, top_row, 0]; left_rib_x = thickness * 2; right_rib_x = width_mm - h_margin; // elevated sockets to fit two mounting posts into hole_top = out_row_1 + 12 + 60 + 24 + 6.75; hole_left = slider_center - 13; hole_bottom = hole_top - 90; hole_bottom = hole_top - 90; hole_right = hole_left + 78.5; footprint "eurorack_rail_hole" (version 20221018) (generator pcbnew f1ff8406b4 Delete '3D Printing/Panels/MAGIC MISSILE VCF.png | Bin 0 -> 46787 bytes Datasheets/tl074.pdf | Bin 12821 -> 0 bytes From b2f0340111348a8deafde0ffe244939fe4eeb6b7 Mon Sep 17 00:00:00 2001 Subject: [PATCH] Update README.md Update README.md * [Schematic](Docs/precadsr.pdf) * 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 your choice of sitching hardware). Consider aesthetics and prcticality of stand-offs from front panel. Tightening it down here: https://www.youtube.com/watch?v=mmd_7p62Z18 Samba Reggae 2 and 13 removed for voltage clearance (UCC256301, https://www.ti.com/lit/ds/symlink/ucc256301.pdf SOIC, 14 Pin (http://www.st.com/resource/en/datasheet/lsm303dlhc.pdf), generated with kicad-footprint-generator ipc_gullwing_generator.py PQFP, 240 Pin (http://www.microsemi.com/index.php?option=com_docman&task=doc_download&gid=131095), generated with kicad-footprint-generator ipc_noLead_generator.py WLCSP-35, 2.168x2.998mm, 35 Ball, 7x5 Layout, 0.4mm Pitch, https://www.st.com/resource/en/datasheet/stm32l496wg.pdf ST WLCSP-132, ST die ID 472, 4.36x4.07mm, 81 Ball, 9x9 Layout, 0.5mm Pitch, https://www.st.com/resource/en/datasheet/stm32wl54jc.pdf ST UFBGA-121, 6.0x6.0mm, 121 Ball, 11x11 Layout, 0.5mm Pitch, http://www.ti.com/lit/ds/symlink/tps63000.pdf 3x3mm Body, 0.65mm Pitch, S-PVSON-N8, http://www.ti.com/lit/ds/symlink/opa2333.pdf 3x3mm Body, 0.5mm Pitch (http://www.ti.com/lit/ds/symlink/lm4990.pdf WSON, 12 Pin (http://www.analog.com/media/en/package-pcb-resources/package/pkg_pdf/ltc-legacy-qfn/QFN_12_%2005-08-1855.pdf), generated with kicad-footprint-generator ipc_gullwing_generator.py Ethernet Transformer, Bel S558-5999-T7-F, https://www.belfuse.com/resources/ICMs/lan-/S558-5999-T7-F.pdf Transformer Ethernet SMD, https://www.haloelectronics.com/pdf/discrete-genesus.pdf Halo N2 SO, 16 Pin (Allegro A4954 https://www.allegromicro.com/-/media/Files/Datasheets/A4954-Datasheet.ashx), generated with kicad-footprint-generator ipc_gullwing_generator.py LQFP, 128 Pin (http://www.microsemi.com/index.php?option=com_docman&task=doc_download&gid=131095), generated with kicad-footprint-generator JST XA series connector, S14B-XH-A (http://www.jst-mfg.com/product/pdf/eng/eXH.pdf), generated with kicad-footprint-generator Connector Phoenix Contact, SPT 5/11-V-7.5-ZB Terminal Block, 1990795 (https://www.phoenixcontact.com/online/portal/gb/?uri=pxc-oc-itemdetail:pid=1990795), generated with kicad-footprint-generator Hirose DF11 through hole, DF11-22DP-2DSA, 11 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 Mounting Hardware, inside through hole ST Morpho Connector 144 STLink AI accelerated MCU with optional wifi, https://dl.sipeed.com/MAIX/HDK/Sipeed-M1&M1W/Specifications AI Kendryte K210 RISC-V Texas Instruments HSOP 9, 1.27mm pitch, double cols (from Kicad 4.0.7!), script generated Through hole angled socket strip THT 1x34 1.00mm single row Through hole angled pin header THT 1x40 1.27mm single row Through hole straight socket strip, 2x28, 2.00mm pitch, 6.35mm socket length, single row style1 pin1 left Surface mounted pin header SMD 1x05 2.00mm single row style2 pin1 right Through hole straight socket strip, 2x16, 2.54mm pitch, 8.51mm socket length, double cols (from Kicad 4.0.7), script generated Surface.

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