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Hardware Microcontroller and smoothed PWM https://kassu2000.blogspot.com/2019/10/quantizer.html using a setscrew). (ShaftLength must be placed in a ring arrangement; a 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 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 combo chip Single 2.4 GHz Wi-Fi and Bluetooth combo chip, external antenna, https://www.espressif.com/sites/default/files/documentation/esp32-s3-mini-1_mini-1u_datasheet_en.pdf 2.4 GHz Bluetooth ble zigbee 802.15.4 thread nordic raytac nrf52840 nrf52833 Bluetooth Low Energy Module ble module st bluetooth Taiyo Yuden BK Series (see https://www.yuden.co.jp/productdata/catalog/mlci09_e.pdf Inductor, Walsin, WLFM201209x, 2.0x1.25x0.9mm, http://www.passivecomponent.com/wp-content/uploads/inductor/WLFM_C_series.pdf Inductor, Wuerth, WE-XHMI 8080, 8.3mmx8.8mm (Script generated with kicad-footprint-generator Soldered wire connection with double feed through strain relief, for 3 times outer diameter, generated with kicad-footprint-generator ipc_noLead_generator.py 8-Lead Very Thin Dual Flatpack No-Lead (LZ) - 2x3x0.9 mm Body [SOIC], pin 7 removed (Microchip Packaging Specification 00000049BS.pdf 8-Lead Plastic DFN (5mm x 3mm) (see Linear Technology 05081707_A_DHD16.pdf DH Package; 16-Lead Plastic HTSSOP (4.4x5x1.2mm); Thermal pad; (http://www.ti.com/lit/ds/symlink/drv8833.pdf HTSSOP, 16 Pin (https://www.ti.com/lit/ml/msop002a/msop002a.pdf), generated with kicad-footprint-generator Soldered wire connection, for 2 times 2 mm² wires, reinforced insulation, conductor diameter 0.9mm, outer diameter 2.1mm, see http://cdn-reichelt.de/documents/datenblatt/C151/RND_205-00045_DB_EN.pdf, script-generated using https://github.com/pointhi/kicad-footprint-generator/scripts/TerminalBlock_MetzConnect THT terminal block RND 205-00057 45Degree pitch 5mm size 60x12.6mm^2 drill 1.3mm pad 2.6mm terminal block RND 205-00079, 3 pins, single row style1 pin1 left Surface mounted socket strip THT 2x09 2.54mm double row Through hole angled pin header, 2x02, 1.00mm pitch, 2.0mm pin length, single row Through hole straight pin header, 2x36, 2.54mm pitch, double cols (from Kicad 4.0.7), script generated Surface mounted pin header THT 2x01 2.54mm double row surface-mounted straight socket strip, 1x20, 2.00mm pitch, single row Surface mounted socket strip SMD 1x36 1.27mm single row Through hole straight socket strip, 2x22, 2.54mm pitch, double rows Through hole pin header THT 1x36 2.54mm single row Through hole socket strip THT 1x25 1.27mm single row Surface mounted.

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