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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 module ESP32-D0WD Espressif ESP32-WROOM-32E 2.4 GHz Wi-Fi and Bluetooth combo chip https://www.espressif.com/sites/default/files/documentation/esp32-wroom-32_datasheet_en.pdf Single 2.4 GHz Wi-Fi and Bluetooth combo chip with U.FL connector, https://www.espressif.com/sites/default/files/documentation/esp32-wroom-32d_esp32-wroom-32u_datasheet_en.pdf D52M ANT SoC Module https://www.thisisant.com/assets/resources/D00001687_D52_Module_Datasheet.v.2.3_(Garmin).pdf RF SoC Radio ANT Bluetooth BLE D52 nRF52 Garmin Canada Dynastream Nordic Low Power Long Range LoRa Transceiver Module rf module lora lorawan Multiprotocol radio SoC module https://www.raytac.com/download/index.php?index_id=43 wireless 2.4 GHz Wi-Fi and Bluetooth module, https://www.espressif.com/sites/default/files/documentation/esp32-wroom-32d_esp32-wroom-32u_datasheet_en.pdf 2.4 GHz Bluetooth ble zigbee 802.15.4 flash crypto ATSAMR21G18 AT45DB041E TECC508A U.Fi Class 4 Bluetooth Module with on-board antenna Class 2 Bluetooth Module with on-board components PCB initial layout, no traces "solder_mask_clearance": 0.0, PCB initial layout, no traces "min_copper_edge_clearance": 0.0, PCB initial layout, no traces Fireball/Fireball.kicad_prl | 75 .../precadsr-panel-PasteBottom.gbp | 15 .../precadsr_panel_al-F_Mask.gbr | 47 .../precadsr-panel.gbrjob | 126 .../precadsr-panel/precadsr-panel-cache.lib | 106 .../precadsr-panel-rescue.kicad_sym | 228 .../precadsr-panel/precadsr-panel.kicad_pro | 481 .../precadsr-panel/precadsr-panel.kicad_sch | 831 Hardware/Panel/precadsr-panel/sym-lib-table | 2 | 10R | Resistor | | | | R14, R15, R18 | 3 .

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