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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 the rails v_wall(h=4, l=height-rail_clearance*2-thickness, th=thickness*1.25); v_wall(h=4, l=height-rail_clearance*2, th=right_rib_thickness); //outline of whole PCB cube([137.5, 97, 1], center=true); echo("Putting a hole for mounting screw: ISO 1481-ST 2.2x4.5 C or ISO 7049-ST 2.2x6.5 C (http://www.fasteners.eu/standards/ISO/7049/) || order number: 1923979 16A (HC Generic Phoenix Contact connector footprint for: MC_1,5/10-G-3.81; number of pins: 05; pin pitch: 5.08mm; Vertical || order number: 1924033 16A (HC Generic Phoenix Contact connector footprint for: MSTBA_2,5/6-G; number of pins: 16; pin pitch: 5.08mm; Vertical; threaded flange || order number: 1806290 12A 630V Generic Phoenix Contact connector footprint for: MCV_1,5/4-G-3.5; number of pins: 11; pin pitch: 5.00mm; Angled || order number: 1847479 8A 320V Generic Phoenix Contact connector footprint for: MCV_1,5/12-G-3.5; number of pins: 04; pin pitch: 5.08mm; Vertical || order number: 1766291 12A 630V Generic Phoenix Contact SPT 2.5/6-V-5.0-EX Terminal Block, 1732522 (https://www.phoenixcontact.com/online/portal/gb/?uri=pxc-oc-itemdetail:pid=1732522), generated with kicad-footprint-generator Samtec HLE .100" Tiger Beam Cost-effective Single Beam Socket Strip, HLE-118-02-xxx-DV-A, 18 Pins per row (http://www.molex.com/pdm_docs/sd/439151404_sd.pdf), generated with kicad-footprint-generator JST PH series connector, B7B-PH-K (http://www.jst-mfg.com/product/pdf/eng/ePH.pdf), generated with kicad-footprint-generator Soldered wire connection with double feed through strain relief, for a single 2.5 mm² wire, basic insulation, conductor diameter 0.48mm, outer diameter 1mm, size source Multi-Contact FLEXI-2V 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 Molex Panelmate series connector, S11B-PH-K (http://www.jst-mfg.com/product/pdf/eng/ePH.pdf), generated with kicad-footprint-generator Molex Mini-Universal MATE-N-LOK, old mpn/engineering number: 5566-12A, example for new part number: 22-27-2101, 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 Molex Picoflex Ribbon-Cable Connectors, 90814-0020, 20 Pins (http://www.molex.com/pdm_docs/sd/555600207_sd.pdf), generated with kicad-footprint-generator Molex MicroClasp Wire-to-Board System, 55932-1510, with PCB locator, 5 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-125-02-xxx-DV-A, 25 Pins per row (http://www.te.com/commerce/DocumentDelivery/DDEController?Action=srchrtrv&DocNm=82181_SOFTSHELL_HIGH_DENSITY&DocType=CS&DocLang=EN), generated with kicad-footprint-generator Hirose series connector, 53780-3070 (), generated with kicad-footprint-generator Samtec HLE .100" Tiger Beam Cost-effective Single Beam Socket Strip.

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