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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 module ESP32-D0WD Espressif ESP32-WROOM-32E 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 (http://www.ti.com/lit/ds/symlink/ts3l501e.pdf#page=23), generated with kicad-footprint-generator Molex Mini-Fit Jr. Power Connectors, 43915-xx08, With thermal vias in pads, 5 Pins per row, Mounting: (http://www.molex.com/pdm_docs/sd/039281043_sd.pdf), generated with kicad-footprint-generator JST EH series connector, S4B-EH (http://www.jst-mfg.com/product/pdf/eng/eEH.pdf), generated with kicad-footprint-generator Hirose series connector, LY20-34P-DLT1, 17 Circuits (http://www.jae.com/z-en/pdf_download_exec.cfm?param=SJ103130.pdf), generated with kicad-footprint-generator Fuse SMD 1206 (3216 Metric), square (rectangular) end terminal, IPC_7351 nominal, (Body size from: http://datasheets.avx.com/NOS.pdf), generated with.

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