synth_tools

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EP (http://www.aosmd.com/res/packaging_information/DFN5x6_8L_EP1_P.pdf 56-Lead Plastic Quad Flatpack (PF) - 14x14mm body, 9.5mm sq thermal pad 3x2mm Pitch 0.5mm right angle (http://www.molex.com/pdm_docs/sd/467651301_sd.pdf hdmi micro type d right angle Molex 0.50mm Pitch Easy-On BackFlip, Right-Angle, Bottom Contact FFC/FPC, 200528-0200, 20 Circuits (http://www.jae.com/z-en/pdf_download_exec.cfm?param=SJ103130.pdf), generated with kicad-footprint-generator Molex MicroClasp Wire-to-Board System, 55932-0510, with PCB locator, 5 Pins (https://www.te.com/commerce/DocumentDelivery/DDEController?Action=srchrtrv&DocNm=826576&DocType=Customer+Drawing&DocLang=English), generated with kicad-footprint-generator Mounting Hardware, inside through hole 3.3mm, height 1, Wuerth electronics 9774140960 (https://katalog.we-online.de/em/datasheet/9774140960.pdf,), generated with kicad-footprint-generator connector JST XH series connector, S6B-XH-A-1 (http://www.jst-mfg.com/product/pdf/eng/eXH.pdf), generated with kicad-footprint-generator Soldered wire connection, for 5 times 0.75 mm² wires, basic insulation, conductor diameter 1.7mm, outer diameter 4.4mm, size source Multi-Contact FLEXI-xV 0.5 (https://ec.staubli.com/AcroFiles/Catalogues/TM_Cab-Main-11014119_(en)_hi.pdf), bend radius 3 times outer diameter, * Knurl polyhedron depth, * Cylinder ends smoothed height, * Knurl polyhedron depth, * Cylinder ends smoothed height, * Knurl polyhedron height, * Knurled cylinder height, * Knurl polyhedron depth, * Cylinder ends smoothed height, * Knurled cylinder height, * Knurled cylinder outer diameter, generated with kicad-footprint-generator Molex SlimStack Fine-Pitch SMT Board-to-Board Connectors, 502430-3210, 32 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 Samtec HLE .100" Tiger Beam Cost-effective Single Beam Socket Strip, HLE-113-02-xxx-DV-BE, 13 Pins per row, Mounting: PCB Mounting Flange (http://www.molex.com/pdm_docs/sd/039291047_sd.pdf), generated with kicad-footprint-generator Molex MicroClasp Wire-to-Board System, 55932-0910, with PCB locator, 12 Pins per row (http://www.te.com/commerce/DocumentDelivery/DDEController?Action=srchrtrv&DocNm=82181_SOFTSHELL_HIGH_DENSITY&DocType=CS&DocLang=EN), generated with kicad-footprint-generator Molex Nano-Fit Power Connectors, 42820-32XX, With thermal vias in pads, 2 Pins per row (http://www.molex.com/pdm_docs/sd/428202214_sd.pdf), generated with kicad-footprint-generator Samtec HLE .100" Tiger Beam Cost-effective Single Beam Socket Strip, HLE-146-02-xx-DV-TE, 46 Pins per row (https://www.hirose.com/product/en/products/DF13/DF13C-10P-1.25V%2851%29/), generated with kicad-footprint-generator Molex SPOX Connector System, 53047-1410, 14 Pins per row (https://www.molex.com/pdm_docs/sd/430450201_sd.pdf), generated with kicad-footprint-generator Molex Mini-Fit Jr. Power Connectors, 42819-52XX, With thermal vias in pads, 3 Pins per row (http://suddendocs.samtec.com/prints/hle-1xx-02-xx-dv-xe-xx-mkt.pdf, http://suddendocs.samtec.com/prints/hle-thru.pdf), generated with kicad-footprint-generator Harwin Male Horizontal Surface Mount Slide Switch, right-angle, https://www.ckswitches.com/media/1424/pcm.pdf Sub-miniature slide switch, JS series, DPDT, right angle, http://spec_sheets.e-switch.com/specs/P040170.pdf Switch, single pole double throw D Switch, triple pole double throw | | | | R3, R21, R27, R28 R4, R6, R7 | 2 Smaller cap (476nF?) for C1 Ceramic 104s for C10, C14, might be fine, might introduce intermittents - Don't put R8 so close to R26 - D36/R47 too close Testing before powering up: Clock In - U1-13 (can get at from top when assembled Stop Switch - 10 LEDs 3 sockets 6 sockets Potentiometers: One potentiometer for internal clock rate. Switches: One SPST switch to disable reset (run once). Momentary-normal-off pushbutton to manually reset. LEDs: One per step, to indicate direction? Pointer2 = 1; // actually.. I don't know.

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