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A "vertical" wall 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 the mid surdos, faster than we play it Paul Simon https://www.youtube.com/watch?v=A3o30YJiWsc (also featuring drum tricks) https://www.youtube.com/watch?v=frLXzG9-W3Q (until the callout around 2:30) Duro https://youtu.be/v9A9n-kMjz0?t=209 (until ~4:30) New: Datasheets/tl074-pinout.jpeg Normal file View File Panels/FireballSpell_Large_bw.png.svg Normal file Unescape threeUHeight = 133.35; //overall 3u height panelOuterHeight =128.5; panelInnerHeight = 110; // rail clearance issues, make all power traces large "rules": { PCB initial layout, no traces }, More tweaks after pro review "different_unit_footprint": "error", "different_unit_net": "error", "duplicate_reference": "error", "duplicate_sheet_names": "error", More tweaks after pro review 19116ba39d Apply jlcpcb's design rules, small fixes for those couple more minor clearance tweaks 9e7b04561b Add ground fills, fix some clearance issues, add PCB slot, more options for potentiometer spoke placement' (#1) from bugfix/10hp into main Reviewed-on: https://gitea.circuitlocution.com/synth_mages/MK_VCO/pulls/1 Merge pull request synth_mages/MK_VCO#2 merged pull request 'More schematics' (#3) from schematic by Eeschema 5.1.10-88a1d61d58~90~ubuntu20.04.1 **Component Count:** 74 **Component Count:** 74 Latest commits for file Fireball/Fireball.kicad_pcb tweaks layout with input from sam tweaks layout with input from sam # drumkit All-in-one module with inputs made for an e-drum kit. Period: 3 months 1 day Digital Reverberation Unit, http://www.belton.co.kr/inc/downfile.php?seq=17&file=pdf (footprint from http://www.uk-electronic.de/PDF/BTDR-1.pdf Bulgin Battery Holder, 2479, Battery Type 3xAAA Keystone Battery Holder BA9VPC 9V 2xAA cell battery CR-1025 coin cell cr1216 cr1220 cr1225 1xPP3 (9V) battery holder, Keystone P/N 2462, https://www.keyelco.com/product-pdf.cfm?p=1027 1xAAA Battery Holder, 2479, Battery Type 3xAAA Keystone Battery Holder SMD Tactile Switch, http://www.helloxkb.com/public/images/pdf/TS-1187A-X-X-X.pdf Ultraminiature Surface Mount Double Row 2.54mm (0.1 inch) Pitch PCB Connector, M20-89004xx, 4 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 Soldered wire connection with feed through strain relief, for 6 times 1 mm² wire, basic insulation, conductor diameter 0.4mm, outer diameter 2mm, outer diameter 3.9mm, size source Multi-Contact FLEXI-xV 2.5 (https://ec.staubli.com/AcroFiles/Catalogues/TM_Cab-Main-11014119_(en)_hi.pdf), bend radius 3 times outer diameter, generated with kicad-footprint-generator ipc_noLead_generator.py TQFN, 20 Pin (https://pdfserv.maximintegrated.com/package_dwgs/21-0140.PDF (T3255-3)), generated with kicad-footprint-generator ipc_gullwing_generator.py TSSOP, 36 Pin (https://www.trinamic.com/fileadmin/assets/Products/ICs_Documents/TMC2100_datasheet_Rev1.08.pdf#page=43), generated with kicad-footprint-generator Molex Mini-Fit Sr. Power Connectors, 43915-xx06, With thermal vias in pads, 5 Pins per row (http://www.molex.com/pdm_docs/sd/530470610_sd.pdf), generated with kicad-footprint-generator Hirose DF12C SMD, DF12C3.0-10DS-0.5V, 10 Pins per row (http://www.molex.com/pdm_docs/sd/431605304_sd.pdf), generated with kicad-footprint-generator Soldered wire connection, for 4 times.

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