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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 SIP7, http://power.murata.com/data/power/ncl/kdc_nma.pdf Isolated 1W single output DCDC-Converter, TRACO, TMR xxxx, Single/Dual output, http://www.datasheetlib.com/datasheet/135136/tmr-2-2410e_traco-power.html?page=3#datasheet DCDC-Converter TRACO TMRxxxx Single/Dual_output DCDC-Converter, TRACO, TEN10-xxxx, https://assets.tracopower.com/20171102100522/TEN10/documents/ten10-datasheet.pdf DCDC-Converter TRACO TEN10-xxxx single output DC/DC Murata MGJ2DxxxxxxSC, 19.5x9.8x12.5mm, 5.2kVDC Isolated, 1W, single output, https://assets.tracopower.com/20171102100522/TEN10/documents/ten10-datasheet.pdf DCDC-Converter TRACO TEN20 Generic Traco THD 15WIN, 15W, THT (https://www.tracopower.com/products/thd15win.pdf#page=3 traco dcdc tht 12w DCDC-Converter, TRACO, TSR 1-xxxx XP_POWER IA48xxD, DIP, (https://www.xppower.com/pdfs/SF_IA.pdf), generated with kicad-footprint-generator Connector Phoenix Contact, SPT 2.5/7-H-5.0-EX Terminal Block, 1719260 (https://www.phoenixcontact.com/online/portal/gb/?uri=pxc-oc-itemdetail:pid=1719260), generated with kicad-footprint-generator Capacitor SMD AVX-U (7132-20 Metric), IPC_7351 nominal, (Body size source: https://www.susumu.co.jp/common/pdf/n_catalog_partition07_en.pdf), generated with kicad-footprint-generator Samtec HLE .100" Tiger Beam Cost-effective Single Beam Socket Strip, HLE-128-02-xx-DV-PE-LC, 28 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 Soldered wire connection, for 4 times 1 mm² wire, basic insulation, conductor diameter 1.4mm, outer diameter 3mm, see , script-generated with , script-generated using https://github.com/pointhi/kicad-footprint-generator/scripts/TerminalBlock_Phoenix THT Terminal Block WAGO 236-308, 45Degree (cable under 45degree), 3 pins, pitch 5.08mm, size 61x9.8mm^2, drill diamater 1.3mm, pad diameter 3mm, see , script-generated using https://github.com/pointhi/kicad-footprint-generator/scripts/TerminalBlock_MetzConnect THT terminal block Metz Connect 360273 size 5x4mm^2 drill 1.5mm pad 3mm Terminal Block WAGO 236-436 45Degree pitch 5mm size 82.3x14mm^2 drill 1.15mm pad 3mm Terminal Block WAGO 236-312.

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