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-extra_depth], // top right [left_edge + height * rotate_vector_cos, rotate_vector_sin * rail_depth] // top left [left_edge, 0], // drop to axis [left_edge, -extra_depth], // bottom right [right_edge, rotate_vector_sin * height + rotate_vector_sin * rail_depth] // top right [left_edge + height * rotate_vector_cos, rotate_vector_sin * height], // top horizontal rib // h_wall(h=1.6, l=right_rib_x); // bottom horizontal rib // h_wall(h=1.6, l=right_rib_x); // middle horizontal rib // h_wall(h=1.6, l=right_rib_x); // middle-bottom h rib // h_wall(h=4, l=right_rib_x); // one more to mount a circuit outside the full dev board (in some 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 LM13700 OTA (operational transconductance amplifier) (~$1.50, uncommon, and DIP marked obsolete) and NE5532 (uncommon, 80¢ based on EPCOS app note 93 (https://www.catagle.com/45-2/PDF_AN93.htm Bourns TBU-CA Fuse, 2 Pin fuse holder, car blade fuse mini PTC Resettable Fuse, Ihold = 6.0A, Itrip=10.8A, http://www.bourns.com/docs/product-datasheets/mfrht.pdf PTC Resettable Fuse, Ihold = 10.0A, Itrip=18.5A, http://www.bourns.com/docs/product-datasheets/mfrht.pdf PTC Resettable Fuse, Ihold = 9.0A, Itrip=15.3A, http://www.bourns.com/docs/Product-Datasheets/mfrg.pdf PTC Resettable Fuse, Ihold = 11.0A, Itrip=20.0A, http://www.bourns.com/docs/product-datasheets/mfrht.pdf PTC Resettable Fuse, Ihold = 9.0A, Itrip=16.5A, http://www.bourns.com/docs/product-datasheets/mfrht.pdf PTC Resettable Fuse, Ihold = 11.0A, Itrip=18.7A, http://www.bourns.com/docs/Product-Datasheets/mfrg.pdf PTC Resettable Fuse, Ihold = 4.0A, Itrip=7.5A, http://www.bourns.com/docs/product-datasheets/mfrht.pdf PTC Resettable Fuse, Ihold = 4.0A, Itrip=6.8A, http://www.bourns.com/docs/Product-Datasheets/mfrg.pdf PTC Resettable Fuse, Ihold = 6.5A, Itrip=11.1A, http://www.bourns.com/docs/Product-Datasheets/mfrg.pdf PTC Resettable Fuse, Ihold = 11.0A, Itrip=18.7A, http://www.bourns.com/docs/Product-Datasheets/mfrg.pdf PTC Resettable Fuse, Ihold = 6.5A, Itrip=12.0A, http://www.bourns.com/docs/product-datasheets/mfrht.pdf PTC Resettable Fuse, Ihold = 9.0A, Itrip=16.5A, http://www.bourns.com/docs/product-datasheets/mfrht.pdf PTC Resettable Fuse, Ihold = 6.5A, Itrip=11.1A, http://www.bourns.com/docs/Product-Datasheets/mfrg.pdf PTC Resettable Fuse, Ihold = 9.0A, Itrip=15.3A.

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