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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 SIP7, http://power.murata.com/data/power/ncl/kdc_nma.pdf Isolated 1W single output POE DCDC-Converter, 60W POE, Silvertel, pitch 2.54mm, size 13.16x6.5mm^2, drill diamater 1.3mm, pad diameter 2.5mm, see http://cdn-reichelt.de/documents/datenblatt/C151/RND_205-00056_DB_EN.pdf, script-generated with , script-generated using https://github.com/pointhi/kicad-footprint-generator/scripts/TerminalBlock_Phoenix THT Terminal Block Phoenix PT-1,5-11-3.5-H, 11 pins, pitch 10.2mm, size 107x8.3mm^2, drill diamater 1.3mm, pad diameter 3mm, 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, generated with kicad-footprint-generator ipc_noLead_generator.py QFN, 64 Pin (http://www.microsemi.com/index.php?option=com_docman&task=doc_download&gid=131095), generated with kicad-footprint-generator Fuse SMD 2512 (6332 Metric), square (rectangular) end terminal, IPC_7351 nominal, (Body size source: http://www.tortai-tech.com/upload/download/2011102023233369053.pdf), generated with kicad-footprint-generator connector Molex Micro-Fit_3.0 side entry boss JST ZE series connector, S15B-PH-SM4-TB (http://www.jst-mfg.com/product/pdf/eng/ePH.pdf), generated with kicad-footprint-generator Samtec HLE .100" Tiger Beam Cost-effective Single Beam Socket Strip, HLE-103-02-xxx-DV-BE, 3 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-119-02-xxx-DV-LC, 19 Pins per row (https://cdn.harwin.com/pdfs/M20-890.pdf), generated with kicad-footprint-generator Mounting Hardware, inside through hole 2.7mm, height 5, Wuerth electronics 9774015360 (https://katalog.we-online.de/em/datasheet/9774015360.pdf), generated with kicad-footprint-generator Hirose DF13C SMD, CL535-0411-3-51, 11 Pins per.

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