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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 thru-holes. - Move any UX connections on the https://www.onsemi.com/pub/Collateral/NCP115-D.PDF Panasonic HQFN-16, 4x4x0.85mm (https://industrial.panasonic.com/content/data/SC/ds/ds7/c0/PKG_HQFN016-A-0404XZL_EN.pdf Panasonic HSON-8, 8x8x1.25mm (https://industrial.panasonic.com/content/data/SC/ds/ds7/c0/PKG_HSON008-A-0808XXI_EN.pdf QFN, 12 Pin (http://kionixfs.kionix.com/en/document/TN008-PCB-Design-Guidelines-for-2x2-LGA-Sensors.pdf#page=4), generated with kicad-footprint-generator Molex Molex 1.00mm Pitch Easy-On BackFlip Type FFC/FPC, 502250-1791, 17 Circuits (http://www.jae.com/z-en/pdf_download_exec.cfm?param=SJ103130.pdf), generated with kicad-footprint-generator Molex Pico-Clasp series connector, SM05B-XAGKS-BN-TB (http://www.jst-mfg.com/product/pdf/eng/eXAG.pdf), generated with kicad-footprint-generator JST XA series connector, 502494-0670 (http://www.molex.com/pdm_docs/sd/5024940270_sd.pdf), generated with kicad-footprint-generator Mounting Hardware, inside through hole M3, height 4, Wuerth electronics 97730456334 (https://katalog.we-online.com/em/datasheet/97730456334.pdf), generated with kicad-footprint-generator ipc_gullwing_generator.py LQFP, 52 Pin (http://www.holtek.com/documents/10179/116711/HT1632Cv170.pdf), generated with kicad-footprint-generator Molex Molex 0.30mm Pitch Easy-On Type FFC/FPC Connector, For LVDS, 2.33mm Height, Right Angle, Surface Mount, Push-Pull Type, 1.42mm Height, with Detect Switch JST ACH series connector, 14111113001xxx (https://b2b.harting.com/files/download/PRD/PDF_TS/1411XX13001XXX_100228421DRW046C.pdf), generated with kicad-footprint-generator ipc_noLead_generator.py LGA 24L 3x3.5mm Pitch 0.43mm LGA 28 5.2x3.8mm Pitch 0.5mm VSSOP DCU R-PDSO-G8 Pitch0.5mm VSSOP-8 3.0 x 2.0mm, orientation marker at cathode, https://dammedia.osram.info/media/resource/hires/osram-dam-6035009/SFH%204253_EN.pdf LED, SMD, PLCC-2, 3.0 x 3.0, http://www.ti.com/lit/ds/symlink/lm75b.pdf VSSOP-8 3.0 x 2.0mm, orientation marker at cathode, https://dammedia.osram.info/media/resource/hires/osram-dam-6035009/SFH%204253_EN.pdf LED, SMD, PLCC-2, 3.0 x 3.0, http://www.ti.com/lit/ds/symlink/lm75b.pdf VSSOP-8 3.0 x 3.0.

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