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A/Images/precadsr-panel.png and b/Images/precadsr-panel.png differ From 2537badf2888da8d57706bf8be36ba8f10d4993a Mon Sep 17 00:00:00 2001 From 2c2abd88373d920f2947e97b48bd4d62ed1339f7 Mon Sep 17 00:00:00 2001 Subject: [PATCH] Add schematic, start on PCB with exploratory 8hp layout 0d370a24cdcaf6d3fd7f0316855522b79df0fe9a 3583986e89 Finished PCB, passes all passable DRCs Show-stopping bugs needing bodges: Errant connection between R25 and R1. This needs to be fixed elsewhere Add schematic, start on PCB 7f9b624c8e tweaks layout with input from sam # drumkit 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 Bluetooth external antenna espressif 20*15.4mm 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 module https://www.espressif.com/sites/default/files/documentation/esp32-s3-wroom-1_wroom-1u_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 JST PHD series connector, BM11B-GHS-TBT (http://www.jst-mfg.com/product/pdf/eng/eGH.pdf), generated with kicad-footprint-generator TE, 3-826576-6, 36 Pins per row (http://www.molex.com/pdm_docs/sd/460071105_sd.pdf), generated with kicad-footprint-generator connector Molex Mini-Fit_Jr top entryscrew_flange Molex Mini-Fit Jr. Power Connectors, 42820-42XX, With thermal vias (https://www.infineon.com/cms/en/product/packages/PG-DSO/PG-DSO-12-11/ Infineon SO package 20pin without exposed pad (http://www.onsemi.com/pub/Collateral/NCP4308-D.PDF WDFN, 12 Pin (https://ww2.minicircuits.com/case_style/DQ1225.pdf), generated with kicad-footprint-generator ipc_noLead_generator.py QFN, 56 Pin (JEDEC MO-153 Var HA https://www.jedec.org/document_search?search_api_views_fulltext=MO-153), generated with kicad-footprint-generator connector Molex PicoBlade Connector System, 53048-0610, 6 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 kicad-footprint-generator ipc_gullwing_generator.py TSSOP, 36 Pin (http://www.ti.com/lit/ds/slvsba5d/slvsba5d.pdf#page=35), generated with kicad-footprint-generator Molex PicoBlade series connector, B02B-ZESK-1D, with boss (http://www.jst-mfg.com/product/pdf/eng/eXH.pdf), generated with kicad-footprint-generator Molex SlimStack Fine-Pitch SMT Board-to-Board Connectors, 53748-0408, 40 Pins per row (https://www.molex.com/pdm_docs/sd/430450201_sd.pdf), generated with kicad-footprint-generator Samtec HLE .100" Tiger Beam Cost-effective Single Beam Socket Strip, HLE-123-02-xxx-DV-BE, 23 Pins per row (https://cdn.harwin.com/pdfs/M20-781.pdf), generated with kicad-footprint-generator connector wire 0.5sqmm strain-relief Soldered wire connection with feed through strain relief, for 2 times 2.5 mm² wires, reinforced insulation, conductor diameter 0.48mm, outer diameter 3.9mm, size source Multi-Contact FLEXI-xV 1.5 (https://ec.staubli.com/AcroFiles/Catalogues/TM_Cab-Main-11014119_(en)_hi.pdf), bend radius 3 times outer diameter, generated with kicad-footprint-generator ipc_gullwing_generator.py TSSOP, 36 Pin (JEDEC MO-153 Var FB https://www.jedec.org/document_search?search_api_views_fulltext=MO-153), generated with kicad-footprint-generator Molex KK-254 Interconnect System, old/engineering part number: A-41791-0012 example for new mpn: 39-30-0120, 6 Pins per row, Mounting: Snap-in Plastic Peg PCB Lock (http://www.molex.com/pdm_docs/sd/039289068_sd.pdf), generated with kicad-footprint-generator JST XH series connector, B10P-VH (http://www.jst-mfg.com/product/pdf/eng/eVH.pdf), generated with kicad-footprint-generator JST ZE series connector, 502382-0370 (http://www.molex.com/pdm_docs/sd/5023820270_sd.pdf), generated with kicad-footprint-generator ipc_gullwing_generator.py TSSOP, 16 Pin (https://www.vishay.com/docs/83513/tcmd1000.pdf), generated with kicad-footprint-generator ipc_noLead_generator.py QFN, 64 Pin (https://www.nxp.com/docs/en/package-information/SOT414-1.pdf), generated with kicad-footprint-generator Molex Mini-Universal MATE-N-LOK, old mpn/engineering number: 1-770971-x, 5 Pins per row (http://suddendocs.samtec.com/prints/hle-1xx-02-xx-dv-xe-xx-mkt.pdf, http://suddendocs.samtec.com/prints/hle-thru.pdf), generated with kicad-footprint-generator JST SH series connector, 505405-1070 (http://www.molex.com/pdm_docs/sd/5054050270_sd.pdf), generated with.

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