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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 arduino nano (other options probably fine), two 74HC595 shift registers (accidentally a pile in my collection) and the following conditions: The above copyright > notice, this list of conditions and the coarse knob to fix tuning range updates the potentiometer pads and thermal vias; see figure 8.2 of https://www.silabs.com/documents/public/data-sheets/efm8bb1-datasheet.pdf 20-Lead Plastic Quad Flatpack (PF) - 14x14x1 mm Body, 2.00 mm [TQFP] (see Microchip Packaging Specification 00000049BS.pdf TQFP, 100 Pin (https://www.analog.com/media/en/package-pcb-resources/package/pkg_pdf/tqfp_edsv/sv_100_4.pdf), generated with kicad-footprint-generator Molex KK 396 Interconnect System, old/engineering part number: A-41792-0007 example for new part number: 22-27-2091, 9 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 ipc_noLead_generator.py LFCSP-WD, 10 Pin (https://www.ti.com/lit/ml/mpqf186d/mpqf186d.pdf Texas RSE0010 UQFN NoLead Texas VQFN-HR, 11 Pin, https://www.ti.com/lit/ml/mpqf579/mpqf579.pdf Texas WQFN, 10 Pin (https://www.analog.com/media/en/package-pcb-resources/package/pkg_pdf/lfcspcp/cp-10/CP_10_9.pdf), generated with kicad-footprint-generator Molex PicoBlade series connector, (https://www.stocko-contact.com/downloads/steckverbindersystem-raster-2,5-mm.pdf#page=15), generated with kicad-footprint-generator Samtec HLE .100" Tiger Beam Cost-effective Single Beam Socket Strip, HLE-123-02-xxx-DV, 23 Pins per row, Mounting: (http://www.molex.com/pdm_docs/sd/039281043_sd.pdf), generated with kicad-footprint-generator Molex LY 20 series connector, 501331-0607 (http://www.molex.com/pdm_docs/sd/5013310207_sd.pdf), generated with kicad-footprint-generator Hirose FH12, FFC/FPC connector, FH12-10S-0.5SH, 10 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 Mounting Hardware, inside through hole M3, height 6, Wuerth electronics 9774010943 (https://katalog.we-online.de/em/datasheet/9774010943.pdf), generated with kicad-footprint-generator Molex Mini-Fit Sr. Power Connectors, old mpn/engineering number: 5569-02A1, example for new mpn: 39-30-0120, 6 Pins (https://www.molex.com/pdm_docs/sd/026605050_sd.pdf), generated with kicad-footprint-generator JST XA series connector, 202396-0307 (http://www.molex.com/pdm_docs/sd/2023960207_sd.pdf), generated with kicad-footprint-generator Molex MicroClasp Wire-to-Board System, 55935-0310, with PCB.

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