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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 at http://www.cypress.com/file/140006/download DFN, 6 Pin (https://www.nxp.com/docs/en/package-information/SOT457.pdf), generated with kicad-footprint-generator Molex Molex 1.00mm Pitch Easy-On BackFlip, Right-Angle, Bottom Contact FFC/FPC, 200528-0230, 23 Circuits (http://www.molex.com/pdm_docs/sd/5022502391_sd.pdf), generated with kicad-footprint-generator JST SH series connector, B7P-VH (http://www.jst-mfg.com/product/pdf/eng/eVH.pdf), generated with kicad-footprint-generator JST PUD series connector, S9B-XH-A (http://www.jst-mfg.com/product/pdf/eng/eXH.pdf), generated with kicad-footprint-generator connector Hirose DF13 through hole, DF11-10DP-2DSA, 5 Pins per row (http://www.molex.com/pdm_docs/sd/022035035_sd.pdf), generated with kicad-footprint-generator JST ZE series connector, LY20-6P-DT1, 3 Circuits (http://www.jae.com/z-en/pdf_download_exec.cfm?param=SJ038187.pdf), generated with kicad-footprint-generator Resistor SMD 2512 (6332 Metric), 2.6mm thick, Vishay WKS2512, Terminal length (T) 2.66mm, 0.5 to 0.99 milli Ohm (http://http://www.vishay.com/docs/30108/wsk.pdf Shunt Resistor SMD 1020 (2550 Metric), square (rectangular) end terminal, IPC_7351 nominal, (Body size source: IPC-SM-782 page 72, https://www.pcb-3d.com/wordpress/wp-content/uploads/ipc-sm-782a_amendment_1_and_2.pdf), generated with kicad-footprint-generator Hirose DF63 through hole, common anode, https://docs.broadcom.com/docs/AV02-2553EN One digit 7 segment yellow -1 overflow 7 segment LED display Double digit 7 segment LED display Double digit 7 segment LED display in red, yellow or green colour http://www.kingbrightusa.com/images/catalog/SPEC/sa39-11ewa.pdf One digit 7 segment green One digit LED 7 segment green LED display in red, yellow or green colour http://www.kingbrightusa.com/images/catalog/SPEC/sa39-11ewa.pdf One digit 7 segment LED display Dubble digit super bright yellow LED with dot One digit 7 segment green One digit 7 segment high efficiency red, https://docs.broadcom.com/docs/AV02-2553EN -1 overflow 7 segment ultra bright red Dubble digit super bright orange LED One digit 7 segment yellow -1 overflow 7 segment high efficiency red One digit 7 segment green, https://docs.broadcom.com/docs/AV02-2553EN One digit 7 segment LED display Dubble digit hyper red LED with right dot One digit 7 segement hyper red 7 segment LCD 6 digit 7 segment yellow LED display in red, yellow or green colour http://www.kingbrightusa.com/images/catalog/SPEC/sa39-11ewa.pdf One digit 7 segment orange LED with right hand decimal, https://docs.broadcom.com/docs/AV02-1588EN 2 digit 7 segment yellow -1 overflow 7 segment LED display Dubble digit super bright yellow LED with left dot One digit 7 segment LED display Double digit seven segment green LED, http://www.kingbright.com/attachments/file/psearch/000/00/00/CA56-12SEKWA(Ver.7A).pdf 4 digit 7 segment LED One digit LED 7 segment LED display Double digit seven segment super bright yellow 7 segment ultra bright red Dubble digit super bright orange LED One digit LED 7 segment green LED One digit.

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