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Challenging PCB and/or print job! See PDF at https://raw.githubusercontent.com/kassu/kassutronics/master/documentation/Quantizer/Quantizer_Build_Docs_1.1A.pdf for explanation about PWM smoothing; essentially a 4-stage RC network but with an eye towards doing it all in one module with WiFi, https://www.adafruit.com/product/2471 Arduino UNO R2, http://www.mouser.com/pdfdocs/Gravitech_Arduino_Nano3_0.pdf Arduino UNO R3, http://www.mouser.com/pdfdocs/Gravitech_Arduino_Nano3_0.pdf 8devices Carambola2, OpenWRT, industrial SoM computer, https://www.8devices.com/media/products/carambola2/downloads/carambola2-datasheet.pdf Pololu Breakout 16-pin 15.2x20.3mm 0.6x0.8\ Raspberry Pi Zero using through hole M3, height 10, Wuerth electronics 9774025943 (https://katalog.we-online.de/em/datasheet/9774025943.pdf), generated with kicad-footprint-generator Samtec HLE .100" Tiger Beam Cost-effective Single Beam Socket Strip, HLE-140-02-xxx-DV-LC, 40 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 Fuse SMD 0603 (1608 Metric), square (rectangular) end terminal, IPC_7351 nominal with elongated pad for handsoldering. (Body size source: IPC-SM-782 page 76, https://www.pcb-3d.com/wordpress/wp-content/uploads/ipc-sm-782a_amendment_1_and_2.pdf), generated with kicad-footprint-generator Soldered wire connection with feed through strain relief, for 5 times 1 mm² wires, basic insulation, conductor diameter 2.4mm, see http://www.4uconnector.com/online/object/4udrawing/10692.pdf, script-generated using https://github.com/pointhi/kicad-footprint-generator/scripts/TerminalBlock_RND THT terminal block RND 205-00019 pitch 5mm size 15x10.2mm^2 drill 1.2mm pad 2.4mm Terminal Block Phoenix MKDS-3-8-5.08 pitch 5.08mm length 16mm diameter 7.5mm width 5.0mm Capacitor C, Rect series, Radial, pin pitch=27.18mm, , diameter=40.64mm, Vishay, IHB-5, http://www.vishay.com/docs/34015/ihb.pdf Inductor Radial series Radial pin pitch 100mm length 93mm diameter 23.0mm Electrolytic Capacitor CP, Axial series, Axial, Horizontal, pin pitch=20.32mm, , length*diameter=14.5*5.8mm^2, Fastron, HBCC, http://www.fastrongroup.com/image-show/18/HBCC.pdf?type=Complete-DataSheet&productType=series Inductor Axial series Axial Horizontal pin pitch 7.50mm 10.00mm length 11.5mm width 9.5mm height 9.5mm with RM7.6mm Generic Buzzer, D12mm height 9.5mm shunt pin pitch 1.50mm diameter 4mm Fastron SMCC Inductor, Axial series, Axial, Horizontal, pin pitch=60mm, , length*diameter=55*32.0mm^2, Electrolytic Capacitor, http://cdn-reichelt.de/documents/datenblatt/B300/TANTAL-TB-Serie%23.pdf CP Radial_Tantal series Radial pin pitch 15mm length 12mm diameter 10.5mm Tantal Electrolytic Capacitor CP, Radial series, Radial, pin pitch=5.08mm, , length*diameter=16*7.5mm^2, Fastron, XHBCC, http://www.fastrongroup.com/image-show/26/XHBCC.pdf?type=Complete-DataSheet&productType=series Inductor Axial series Axial Horizontal pin pitch 43mm length 37mm diameter 20mm Electrolytic Capacitor CP, Axial series, Axial, Horizontal, pin pitch=27.5mm, , length*diameter=22*10.5mm^2, http://cdn-reichelt.de/documents/datenblatt/B300/STYROFLEX.pdf C Axial series Axial Horizontal pin pitch 7.62mm length 14.5mm diameter 5.8mm Fastron HBCC Inductor, Axial series, Axial, Vertical, pin pitch=3.81mm, , length*diameter=9*5.3mm^2, , http://www.farnell.com/datasheets/529758.pdf Diode DO-201AE series Axial Horizontal pin pitch 34.93mm Resistor, Bare_Metal_Element series, Bare Metal.

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