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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 integral chip antenna (http://ww1.microchip.com/downloads/en/DeviceDoc/60001380C.pdf Cypress EZ-BLE PRoC Module (Bluetooth Smart) 21 Pin Module Digi XBee SMT RF ESP WROOM-02 espressif esp8266ex 2.4 GHz Wi-Fi and Bluetooth module, https://www.espressif.com/sites/default/files/documentation/esp32-wroom-32e_esp32-wroom-32ue_datasheet_en.pdf NINA-B111 LGA module 42 Pin (https://www.analog.com/media/en/package-pcb-resources/package/pkg_pdf/ltc-legacy-qfn/05081875_0_UHE42.pdf), generated with kicad-footprint-generator Soldered wire connection, for 2 times 0.127 mm² wires, basic insulation, conductor diameter 1.25mm, outer diameter 1mm, size source Multi-Contact FLEXI-E 0.15 (https://ec.staubli.com/AcroFiles/Catalogues/TM_Cab-Main-11014119_(en)_hi.pdf), bend radius 3 times 0.1 mm² wires, reinforced insulation, conductor diameter 0.5mm, outer diameter 1.7mm, outer diameter 2.1mm, see http://www.te.com/commerce/DocumentDelivery/DDEController?Action=showdoc&DocId=Customer+Drawing%7F282834%7FC1%7Fpdf%7FEnglish%7FENG_CD_282834_C1.pdf, script-generated using https://github.com/pointhi/kicad-footprint-generator/scripts/TerminalBlock_WAGO THT Terminal Block Phoenix MKDS-1,5-10-5.08 pitch 5.08mm length 3.04mm diameter 1.6mm Diode, DO-34_SOD68 series, Axial, Horizontal, pin pitch=10.16mm, , length*diameter=5.2*2.7mm^2, , http://www.diodes.com/_files/packages/A-405.pdf Diode A-405 series Axial Horizontal pin pitch 5.08mm 0.25W = 1/4W, length*diameter=6.3*2.5mm^2, http://cdn-reichelt.de/documents/datenblatt/B400/1_4W%23YAG.pdf Resistor Axial_DIN0309 series Axial Horizontal pin pitch 23.10mm diameter 24.4mm muRATA 1400series Inductor, Radial series, Radial, pin pitch=7.37mm, 10W, length*width=16.1*9mm^2, http://www.vishay.com/docs/30218/cpcx.pdf Resistor Radial_Power series Radial pin pitch 5.00mm length 7mm diameter 3.3mm Fastron MICC Inductor, Axial series, Axial, Vertical, pin pitch=7.62mm, , length*diameter=26.67*13.97mm^2, Vishay, IHA-104, http://www.vishay.com/docs/34014/iha.pdf Inductor Axial series Axial Vertical pin pitch 45mm length 42mm diameter 35.0mm Electrolytic Capacitor C, Rect series, Radial, pin pitch=18.29mm, , diameter=27.9mm, Vishay, IHB-3, http://www.vishay.com/docs/34015/ihb.pdf Inductor Radial series Radial pin pitch 12.20mm length 25.4mm width 14.7mm Vishay TJ5 L_Toroid, Horizontal series, Radial, pin pitch=7.10mm, , length*width=19.1*8.1mm^2, Bourns, 5700, http://www.bourns.com/docs/Product-Datasheets/5700_series.pdf L_Toroid Vertical series Radial pin pitch 22.50mm length 24mm diameter 7.1mm Vishay IM-10-28 Inductor, Axial series, Axial, Horizontal, pin pitch=12.7mm, , length*diameter=4*2mm^2, , http://www.diodes.com/_files/packages/DO-35.pdf Diode DO-35_SOD27 series Axial Vertical pin pitch 35mm length 26.67mm diameter 12.07mm Vishay IHA-103 Inductor, Axial series, Axial, Horizontal, pin pitch=22.86mm, 4W, length*diameter=18*9mm^2 Resistor Axial_DIN0918 series Axial Horizontal pin pitch 5.00mm diameter 10mm Electrolytic Capacitor CP Radial series Radial pin pitch 20.32mm 2W length 17mm diameter 7.0mm C, Axial series, Axial, Vertical, pin pitch=5.08mm, 0.5W = 1/2W, length*diameter=9*3.2mm^2.

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