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Assembly, and one other thing: * The 16 mm have been tested and there could be other values, ceramic may work, test debouncing. Maybe enlarge footprint if needed. Subject: [PATCH 03/18] tweaks layout with input from sam tweaks layout with input from sam b0f8ee4ade traces added but maybe won't keep traces added but maybe won't keep traces added but maybe won't keep From 52a9fa26f6a6a8c4f7e3fc085f8b6ccdd7541277 Mon Sep 17 00:00:00 2001 Subject: [PATCH 02/13] More notes move bugs to md file to be fixed elsewhere f51b7b97734e404127fa5d5d263acbfd66f116e4 Add schematic, start on PCB with on-board antenna Class 2 Bluetooth Module without antenna Low-Power Long Range Transceiver Module SMD-16 (https://www.hoperf.com/data/upload/portal/20181127/5bfcbea20e9ef.pdf LoRa Low Power Long Range Transceiver Module THT-16 (https://www.hoperf.com/data/upload/portal/20181127/5bfcbea20e9ef.pdf Low Power Long Range Transceiver Module Low Power Long Range LoRa Transceiver Module SMD-16 (https://www.hoperf.com/data/upload/portal/20181127/5bfcbea20e9ef.pdf LoRa Low Power Long Range Transceiver Module SMD-16 (https://www.hoperf.com/data/upload/portal/20181127/5bfcbea20e9ef.pdf LoRa Low Power Long Range LoRa Transceiver Module SMD-16 (https://www.hoperf.com/data/upload/portal/20181127/5bfcbea20e9ef.pdf LoRa Low Power Long Range 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 Single 2.4 GHz Wi-Fi and Bluetooth module Single 2.4 GHz Wi-Fi Bluetooth external antenna espressif 15.4*15.4mm ESP32-S2-WROVER(-I) 2.4 GHz Wi-Fi Bluetooth external antenna espressif 15.4*15.4mm ESP32-S2-WROVER(-I) 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 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 MicroClasp Wire-to-Board System, 55932-0810, with PCB locator, 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 Harwin Female Vertical Surface Mount Single Row 2.54mm (0.1 inch) Pitch PCB Connector, M20-7812045, 20 Pins per row (https://www.hirose.com/product/en/products/DF13/DF13C-10P-1.25V%2851%29/), generated with kicad-footprint-generator Soldered wire connection with feed through strain relief, for 4 times 0.5 mm² wire, basic insulation, conductor diameter 1.7mm, outer diameter 2.3mm, size source Multi-Contact FLEXI-E/HK 0.127 (https://ec.staubli.com/AcroFiles/Catalogues/TM_Cab-Main-11014119_(en)_hi.pdf), bend radius 3 times 1 mm² wires, reinforced insulation, conductor diameter 1.7mm, outer diameter 3.9mm, size source Multi-Contact FLEXI-E/HK 0.127 (https://ec.staubli.com/AcroFiles/Catalogues/TM_Cab-Main-11014119_(en)_hi.pdf), bend radius 3 times outer diameter, generated with kicad-footprint-generator Molex Pico-Clasp series connector, DF3EA-13P-2H (https://www.hirose.com/product/document?clcode=CL0543-0332-0-51&productname=DF3EA-5P-2H(51)&series=DF3&documenttype=2DDrawing⟨=en&documentid=0001163317), generated with kicad-footprint-generator Molex Picoflex Ribbon-Cable Connectors, 90325-0022, 22 Pins (http://www.molex.com/pdm_docs/sd/908140004_sd.pdf), generated with kicad-footprint-generator Molex KK 396 Interconnect System, old/engineering part number: A-41791-0007 example for new part number: 09-65-2078, 7 Pins per row (https://www.molex.com/pdm_docs/sd/430450221_sd.pdf), generated with kicad-footprint-generator Mounting Hardware, inside blind hole M1.6, height 4.5, Wuerth electronics 9774050360 (https://katalog.we-online.de/em/datasheet/9774050360.pdf), generated with kicad-footprint-generator ipc_gullwing_generator.py PQFP, 32 Pin (https://www.nxp.com/docs/en/data-sheet/LPC111X.pdf#page=108), generated with kicad-footprint-generator ipc_gullwing_generator.py TSSOP, 100 Pin (http://www.microsemi.com/index.php?option=com_docman&task=doc_download&gid=131095), generated with kicad-footprint-generator ipc_noLead_generator.py DFN, 8 Pin (https://www.st.com/resource/en/datasheet/ld1086.pdf#page=35), generated with kicad-footprint-generator.

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