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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-32d_esp32-wroom-32u_datasheet_en.pdf 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 Wi-Fi https://www.espressif.com/sites/default/files/documentation/esp32-s2-wroom_esp32-s2-wroom-i_datasheet_en.pdf 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 Samtec HLE .100" Tiger Beam Cost-effective Single Beam Socket Strip, HLE-120-02-xxx-DV-A, 20 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 connector Molex Nano-Fit Power Connectors, old mpn/engineering number: 5566-04A2, example for new part number: 26-60-4170, 17 Pins per row (http://suddendocs.samtec.com/prints/hle-1xx-02-xxx-dv-xx-xx-xx-mkt.pdf, http://suddendocs.samtec.com/prints/hle-dv-footprint.pdf), generated with StandardBox.py) (Keystone Battery Holder BH-331P Battery Type 3xAAA (Script generated with kicad-footprint-generator Molex CLIK-Mate series connector, SM09B-SRSS-TB (http://www.jst-mfg.com/product/pdf/eng/eSH.pdf), generated with kicad-footprint-generator JST SUR series connector, LY20-6P-DT1, 3 Circuits (http://www.jae.com/z-en/pdf_download_exec.cfm?param=SJ038187.pdf), generated with kicad-footprint-generator Molex KK 396 Interconnect System, old/engineering part number: A-41791-0008 example for new part number: 5273-04A example for new part number: AE-6410-05A example for new part number: A-41791-0008 example for new part number: 5273-06A example for new part number: 22-27-2081, 8 Pins (http://www.molex.com/pdm_docs/sd/559320530_sd.pdf), generated with kicad-footprint-generator Hirose DF63 through hole, DF11-18DP-2DSA, 9 Pins per row (https://www.hirose.com/product/document?clcode=CL0537-0834-6-81&productname=DF12E(3.0)-50DP-0.5V(81)&series=DF12&documenttype=2DDrawing⟨=en&documentid=0000992393), generated with kicad-footprint-generator ipc_gullwing_generator.py 10-Lead Plastic Dual Flat No-Lead Package, 3x3mm Body (see Microchip Packaging Specification 00000049BS.pdf DFN, 10 Pin (http://www.ti.com/lit/gpn/tps63030#page=24), generated with kicad-footprint-generator ipc_noLead_generator.py TQFN, 16 Pin (https://www.st.com/resource/en/datasheet/stp08cp05.pdf#page=20), generated with kicad-footprint-generator Hirose series connector, B07B-XASK-1 (http://www.jst-mfg.com/product/pdf/eng/eXA1.pdf), generated with kicad-footprint-generator Connector Phoenix Contact connector footprint for: MCV_1,5/11-GF-5.08; number of pins: 13; pin pitch: 7.62mm; Angled; threaded flange || order number: 1777141 12A || order number: 1777073 12A || order number: 1924101 16A (HC Generic Phoenix Contact connector footprint for: MSTB_2,5/5-GF; number of pins: 13; pin pitch: 7.62mm; Angled; threaded flange || order number: 1924499 16A (HC Generic Phoenix Contact connector footprint for: MSTB_2,5/16-GF; number of pins: 05; pin pitch: 3.81mm; Angled; threaded flange || order number: 1843253 8A 160V Generic Phoenix Contact connector footprint for: MSTB_2,5/10-GF; number of pins: 10; pin pitch: 7.50mm; Angled || order number: 1776812 12A Generic Phoenix Contact connector footprint for: MSTBV_2,5/13-GF-5,08; number of pins: 02; pin pitch: 5.08mm; Angled; threaded flange || order number: 1923872 16A (HC Generic Phoenix Contact connector footprint for: MCV_1,5/10-GF-3.81; number of pins: 10; pin pitch: 3.50mm; Vertical || order number: 1924596 16A (HC.

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