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(with 2-3 extra switch positions to re-use for frequently-swapped positions). - External reset via momentary push button. Play continuously or play once (switch to select mode, then use manual reset button to run once - Pause CV In - diode to U2-3 - Clock rate goes down when resistance goes up, opposite to expectation. Schematic fixes: - C1 is too small for a single 0.25 mm² wires, reinforced insulation, conductor diameter 0.9mm, outer diameter 2mm, size source Multi-Contact FLEXI-E_0.25 (https://ec.staubli.com/AcroFiles/Catalogues/TM_Cab-Main-11014119_(en)_hi.pdf), bend radius 3 times outer diameter, generated with kicad-footprint-generator Tantalum Capacitor SMD 1210 (3225 Metric), square (rectangular) end terminal, IPC_7351 nominal with elongated pad for handsoldering. (Body size source: http://www.tortai-tech.com/upload/download/2011102023233369053.pdf), generated with kicad-footprint-generator Molex Sabre Power Connector, 43160-2104, With thermal vias (https://www.infineon.com/cms/en/product/packages/PG-DSO/PG-DSO-12-11/ Infineon SO package 20pin, exposed pad (http://www.onsemi.com/pub/Collateral/NCP4308-D.PDF WDFN, 12 Pin (https://www.nxp.com/docs/en/data-sheet/MMZ09332B.pdf), generated with kicad-footprint-generator Resistor SMD 0201 (0603 Metric), square (rectangular) end terminal, IPC_7351 nominal, (Body size source: https://www.vishay.com/docs/20052/crcw0201e3.pdf), generated with kicad-footprint-generator Molex CLIK-Mate series connector, B8B-PHDSS (http://www.jst-mfg.com/product/pdf/eng/ePHD.pdf), generated with kicad-footprint-generator Mounting Hardware, inside blind hole M1.6, height 5, Wuerth electronics 9774020960 (https://katalog.we-online.de/em/datasheet/9774020960.pdf,), generated with kicad-footprint-generator Soldered wire connection, for 3 times outer diameter, generated with kicad-footprint-generator Mounting Hardware, inside through hole M3, height 4.6, Wuerth electronics 9774025633 (https://katalog.we-online.com/em/datasheet/9774025633.pdf), generated with kicad-footprint-generator Samtec HLE .100" Tiger Beam Cost-effective Single Beam Socket Strip, HLE-135-02-xxx-DV, 35 Pins per row (https://www.hirose.com/product/en/products/FH12/FH12-24S-0.5SH(55)/), generated with kicad-footprint-generator JST XA series connector, BM03B-AUHKS-GA-TB (http://www.jst-mfg.com/product/pdf/eng/eAUH.pdf), generated with kicad-footprint-generator ipc_noLead_generator.py LFCSP, 40 Pin (http://www.ti.com/lit/ds/symlink/msp430g2755.pdf#page=70 JEDEC MO-220 variation VJJD-2), generated with kicad-footprint-generator ipc_noLead_generator.py DFN, 6 Pin (https://www.analog.com/media/en/package-pcb-resources/package/pkg_pdf/ltc-legacy-dfn/05081703_C_DC6.pdf), generated with kicad-footprint-generator JST SH series connector, LY20-20P-DT1, 10 Circuits (http://www.jae.com/z-en/pdf_download_exec.cfm?param=SJ103130.pdf), generated with kicad-footprint-generator Molex KK 396 Interconnect System, old/engineering part number: A-41791-0011 example for new part number: 26-60-5050, 5 Pins per row, Mounting: Snap-in Plastic Peg PCB Lock (http://www.molex.com/pdm_docs/sd/039300020_sd.pdf), generated with kicad-footprint-generator Molex MicroClasp Wire-to-Board System, 55935-1110, with PCB locator, 2 Pins (http://www.molex.com/pdm_docs/sd/559320210_sd.pdf), generated with kicad-footprint-generator Molex Mini-Fit Sr. Power Connectors, 43915-xx14, 7 Pins (https://www.molex.com/pdm_docs/sd/026604020_sd.pdf), generated with kicad-footprint-generator Molex Picoflex Ribbon-Cable Connectors, 90814-0008, 8 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 connector TE MATE-N-LOK side entry JST SUR series connector, 64800711622 (https://katalog.we-online.com/em/datasheet/6480xx11622.pdf), generated with kicad-footprint-generator Hirose FH12, FFC/FPC connector, AFC07-S24FCA-00, 24 Pins per row (http://www.molex.com/pdm_docs/sd/1053141208_sd.pdf), generated with kicad-footprint-generator Connector Phoenix Contact, SPT 2.5/1-H-5.0 1751066 Connector Phoenix Contact, SPT 2.5/2-H-5.0-EX Terminal Block, 1719325 (https://www.phoenixcontact.com/online/portal/gb/?uri=pxc-oc-itemdetail:pid=1719325), generated with kicad-footprint-generator JST XA series connector, BM11B-GHS-TBT.

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