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BackTitle_font_size = 22; label_font_size = 5; //mm left_col = 10 + center_adjust; right_col = width_mm - hole_dist_side - thickness; // additives - labels, etc // 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 https://www.analog.com/media/en/technical-documentation/data-sheets/199399fc.pdf TO-92 2-pin leads in-line, wide, drill 0.75mm (see NXP SSOP-TSSOP-VSO-REFLOW.pdf and sot158-1_po.pdf VSO56: plastic very small outline package; 24 leads; body width 3 mm; (see NXP SSOP-TSSOP-VSO-REFLOW.pdf and sot487-1_po.pdf HTSSOP, 38 Pin (JEDEC MO-153 Var JC https://www.jedec.org/document_search?search_api_views_fulltext=MO-153), generated with kicad-footprint-generator Molex Molex 0.30mm Pitch Easy-On BackFlip Type FFC/FPC, 502250-2391, 23 Circuits (https://www.molex.com/pdm_docs/sd/2005280230_sd.pdf), generated with kicad-footprint-generator connector Molex SPOX Connector System, 43045-2221 (alternative finishes: 43045-062x), 3 Pins per row (http://www.molex.com/pdm_docs/sd/439151404_sd.pdf), generated with kicad-footprint-generator Hirose FH12, FFC/FPC.
- NOT short to U2-10 Clock.
- 6.5A, Itrip=12.0A, http://www.bourns.com/docs/product-datasheets/mfrht.pdf PTC.
- FRT5 narrow footprint Finder 32.21-x000.