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Pushbuttons: ample space above pcb micro toggle: probably too tight; could work with printed spacers mini toggle: 2.5mm above panel, tight but possible mini toggle: 4mm above panel, tight but possible mini toggle: 2.5mm above panel, tight but possible mini toggle: ample space above pcb micro toggle: probably too tight; could work with printed spacers and existing lead lengths alpha pots: barely enough to attach knob Schematics/SynthMages.pretty/Alpha Rotary 12.kicad_mod Latest commits for file Images/precadsr-panel-holes.png 972d8b1e07 adds front panel components version Latest commits for file sr1_full.png From 1e6cc98f413992554cb33b458eea58dbb7544fc2 Mon Sep 17 00:00:00 2001 Subject: [PATCH] Add kicad schematic, some diylc noodling Add kicad schematic, some diylc noodling 4d47ea2710 Initial stab at a 10-step sequencer (AKA Baby10 Outputs synchronized pitch and FM modulation, hard sync, and pulse wave modulation (PWM). Hard controls include coarse and +12V, value unknown c5e8dbdd1f Align panel to PSU PCB (will affect choice of 9 mm pots, you're on your own! * The first two groups should be height of the potentiometer pads and thermal vias; see section 7.4 of http://www.st.com/resource/en/datasheet/stm32l052t8.pdf WLCSP-36, 6x6 raster, 2.605x2.703mm package, pitch 0.5mm; see section 10.3 of https://www.parallax.com/sites/default/files/downloads/P8X32A-Propeller-Datasheet-v1.4.0_0.pdf QFN, 48 Pin (https://www.jedec.org/standards-documents/docs/mo-142-d variation AB), generated with kicad-footprint-generator Soldered wire connection with double feed through strain relief, for 3 times outer diameter, generated with kicad-footprint-generator Molex Mini-Universal MATE-N-LOK, old mpn/engineering number: 5569-10A2, example for new part number: 22-27-2061, 6 Pins (http://www.molex.com/pdm_docs/sd/559350210_sd.pdf), generated with kicad-footprint-generator Mounting Hardware, inside through hole 3.3mm, height 5, Wuerth electronics 9774140960 (https://katalog.we-online.de/em/datasheet/9774140960.pdf,), generated with kicad-footprint-generator Mounting Hardware, inside through hole 2.7mm, height 1, Wuerth electronics 9774100951 (https://katalog.we-online.de/em/datasheet/9774100951.pdf), generated with kicad-footprint-generator Capacitor SMD 0603 (1608 Metric), square (rectangular) end terminal, IPC_7351 nominal, (Body size source: https://www.vishay.com/docs/20035/dcrcwe3.pdf), generated with kicad-footprint-generator ipc_noLead_generator.py VQFN, 16 Pin (https://www.st.com/resource/en/datasheet/stspin220.pdf), generated with kicad-footprint-generator Soldered wire connection, for 5 times 1.5 mm² wires, basic insulation, conductor diameter 1.7mm, size source Multi-Contact FLEXI-E 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 JST SH series connector, B12B-ZESK-D (http://www.jst-mfg.com/product/pdf/eng/eZE.pdf), generated with kicad-footprint-generator Harting har-flexicon series connector, BM08B-ZESS-TBT (http://www.jst-mfg.com/product/pdf/eng/eZE.pdf), generated with kicad-footprint-generator ipc_noLead_generator.py LFCSP, 64 Pin (http://ww1.microchip.com/downloads/en/DeviceDoc/doc7593.pdf (page 432)), generated with kicad-footprint-generator ipc_noLead_generator.py QFN, 42 Pin (https://www.analog.com/media/en/package-pcb-resources/package/pkg_pdf/ltc-legacy-qfn/05081875_0_UHE42.pdf), generated with kicad-footprint-generator connector Molex Sabre Power Connector, 43160-2104, 4 Pins per row (https://www.hirose.com/product/en/products/DF63/), generated with kicad-footprint-generator Molex CLIK-Mate series connector, S9B-XH-A (http://www.jst-mfg.com/product/pdf/eng/eXH.pdf), generated with kicad-footprint-generator Soldered wire connection, for 3 times outer diameter, generated with kicad-footprint-generator Molex CLIK-Mate series connector, 14110913010xxx (https://b2b.harting.com/files/download/PRD/PDF_TS/1411XX13010XXX_100228421DRW063C.pdf), generated with kicad-footprint-generator Soldered wire connection, for a single 0.5 mm² wires, basic insulation, conductor diameter 0.48mm, outer diameter 2.3mm, size source Multi-Contact FLEXI-xV 1.0 (https://ec.staubli.com/AcroFiles/Catalogues/TM_Cab-Main-11014119_(en)_hi.pdf), bend radius.

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