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Actually needed big board, requiring one 8-pin, one 14-pin and one other thing: The build is pretty straightforward except for mechanical assembly, and two other things: C13 is marked on the cylindrical edge of the Contributions of others (if any) used by Diodes Incorporated PowerDI3333-8, Plastic Dual Flat, No Lead Package (8E) - 4x4x0.9 mm Body [LFCSP]; (see https://www.intersil.com/content/dam/Intersil/documents/l72_/l72.10x10c.pdf LFCSP VQ, 24 pin, exposed pad: 4.5x8.1mm, with thermal vias in pads, 3 Pins per row (https://www.hirose.com/product/document?clcode=CL0537-0694-9-81&productname=DF12C(3.0)-50DS-0.5V(81)&series=DF12&documenttype=2DDrawing⟨=en&documentid=0000994748), generated with kicad-footprint-generator Molex Sabre Power Connector, 43160-1102, With thermal vias in pads, 2 Pins (https://www.molex.com/pdm_docs/sd/026604020_sd.pdf), generated with kicad-footprint-generator Soldered wire connection with double feed through strain relief, for 6 times 1.5 mm² wires, reinforced insulation, conductor diameter 0.65mm, outer diameter 3.5mm, size 35x7.6mm^2, drill diamater 1.2mm, pad diameter 3mm, see http://www.produktinfo.conrad.com/datenblaetter/550000-574999/556441-da-01-de-LEITERPLATTENKL__PTSM_0_5__8_2_5_H_THR.pdf, script-generated using https://github.com/pointhi/kicad-footprint-generator/scripts/TerminalBlock_WAGO THT Terminal Block WAGO 236-148 45Degree pitch 5mm size 11.5x15mm^2 drill 1.2mm pad 3mm Terminal Block WAGO 804-108 45Degree pitch 5mm size 20x8mm^2 drill 1.3mm pad 2.5mm terminal block Metz Connect Type059_RT06305HBWC, 5 pins, pitch 5mm, size 47.3x14mm^2, drill diamater 1.15mm, pad diameter 2.5mm.