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H_margin; col_right = width_mm - hole_dist_side, height - v_margin; working_increment = working_height / (8+tolerance/3); // generally-useful spacing amount for vertical columns of stuff col_left = thickness of 2mm thickness = 2; // plastic walls are 2mm 3D Printing/Pot_Knobs/knob_docs.scad Executable file View File Releases for /ttrss-plugin- _comics From bfe3829b0b80a8fa0a4e338e69dd799a42ac7c7b Mon Sep 17 00:00:00 2001 Subject: [PATCH] updates led holes to PCB edge 8.2mm, see https://disti-assets.s3.amazonaws.com/tonar/files/datasheets/16730.pdf 37-pin D-Sub connector straight vertical THT female pitch 2.77x2.54mm pin-PCB-offset 9.4mm 9-pin D-Sub connector, straight/vertical, THT-mount, male, pitch 2.77x2.84mm, pin-PCB-offset 4.9399999999999995mm, distance of mounting holes to PCB edge 8.2mm, see https://disti-assets.s3.amazonaws.com/tonar/files/datasheets/16730.pdf 62-pin D-Sub connector horizontal angled 90deg THT male pitch 2.29x1.98mm pin-PCB-offset 8.35mm mounting-holes-distance 63.5mm mounting-hole-offset 63.5mm 37-pin D-Sub connector, horizontal/angled (90 deg), THT-mount, male, pitch 2.29x1.98mm, distance of mounting holes 33.3mm, distance of mounting holes to PCB edge 10.889999999999999mm, see https://disti-assets.s3.amazonaws.com/tonar/files/datasheets/16730.pdf 15-pin D-Sub connector horizontal https://katalog.we-online.de/pbs/datasheet/7499010001A.pdf 10/100Base-TX RJ45 ethernet connector with transformer and POE (https://abracon.com/Magnetics/lan/ARJP11A.PDF ethernet 8p8c transformer magjack 1 Port RJ45 Magjack Connector Through Hole 10/100 Base-T, AutoMDIX, https://belfuse.com/resources/drawings/magneticsolutions/dr-mag-si-60062-f.pdf 1 Port RJ45 8P8C receptacle, shielded, with magnetics, through hole, DF63-6P-3.96DSA, 6 Pins per row, Mounting: PCB Mounting Flange (http://www.molex.com/pdm_docs/sd/039291047_sd.pdf), generated with kicad-footprint-generator Capacitor SMD 1210 (3225 Metric), square (rectangular) end terminal, IPC_7351 nominal, (Body size source: IPC-SM-782 page 76, https://www.pcb-3d.com/wordpress/wp-content/uploads/ipc-sm-782a_amendment_1_and_2.pdf), generated with kicad-footprint-generator Diode SMD 0805 (2012 Metric), square (rectangular) end terminal, IPC_7351 nominal, (Body size from: http://www.megastar.com/products/fusetronic/polyswitch/PDF/smd2920.pdf), generated with kicad-footprint-generator ipc_noLead_generator.py Quectel BG96 Cellular GSM 2G Module https://www.quectel.com/download/quectel_bg96_hardware_design_v1-4 Quectel BG96 Cellular GSM 2G Module https://www.quectel.com/download/quectel_bg96_hardware_design_v1-4 Quectel BG96 Cellular GSM 2G Module https://www.quectel.com/download/quectel_bg96_hardware_design_v1-4 Quectel BG96 Cellular GSM 2G Module https://www.quectel.com/download/quectel_bg96_hardware_design_v1-4 Quectel BG96 Cellular GSM 2G Module L-band satellite communication module, https://docs.astrocast.com/dl/0532-DOC-M2M-ASTRO-Astronode_S-Datasheet.pdf RF module Astrocast radio Astronode 2.4 GHz Wi-Fi and Bluetooth combo chip Single 2.4 GHz Bluetooth ble zigbee 802.15.4 flash crypto ATSAMR21G18 AT45DB041E TECC508A U.Fi Class 4 Bluetooth Module with on-board components c6741b48f0 More random files c6741b48f0ef8a6e69ecbca1a47bc4f4b481e2a3 Notes from MK's PCB livestream Footprints: - avoid non-circular holes in footprints whenever possible; some fabs charge more for ovals avoid non-circular holes in footprints whenever possible; some fabs charge more for ovals - make power connection traces larger; MK uses a CA3080 OTA, an expensive and rare chip these days ($3/ea on amazon, maybe fakes) VCA MK's VCA Probably a straightforward build: one op-amp, four transistors and some supporting components. ~$6 in.

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