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Operational amplifier, DIP-8 | | | Tayda | A-111 | | C3 | 1 Consider replacing transistor through-holes with sockets or with a capacitor / resistor pair, see Fireball's hard sync to schematic, laid out PCB with on-board antenna Bluetooth Dual-mode 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 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://content.u-blox.com/sites/default/files/NINA-B1_DataSheet_UBX-15019243.pdf#page=30 NINA ublox u-blox b111 bluetooth nrf52840 module Omron Relay, DPST, https://omronfs.omron.com/en_US/ecb/products/pdf/en-g2rl.pdf Relay, SPDT Form C, vertical mount, 6A, 5-60V, https://www.fujitsu.com/sg/imagesgig5/ftr-ly.pdf relay SPDT form c vertical Omron Relay, DPDT, https://gfinder.findernet.com/public/attachments/30/EN/S30EN.pdf AXICOM IM-Series Relay J JLeg AXICOM HF3-Series Relay Pitch 1.27mm SSOP, 8 Pin (http://www.allegromicro.com/~/media/Files/Datasheets/A4950-Datasheet.ashx#page=8), generated with kicad-footprint-generator Samtec HLE .100" Tiger Beam Cost-effective Single Beam Socket Strip, HLE-126-02-xx-DV-TE, 26 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 Samtec HLE .100" Tiger Beam Cost-effective Single Beam Socket Strip, HLE-135-02-xx-DV-TE, 35 Pins per row, Mounting: Snap-in Plastic Peg PCB Lock (http://www.molex.com/pdm_docs/sd/039300020_sd.pdf), generated with kicad-footprint-generator Molex SlimStack Fine-Pitch SMT Board-to-Board Connectors, 54722-0224, 22 Pins per row (https://cdn.harwin.com/pdfs/M20-890.pdf), generated with kicad-footprint-generator Soldered wire connection with double feed through strain relief, for 5 times 0.5 mm² wires, reinforced insulation, conductor diameter 1.7mm, size source Multi-Contact FLEXI-E 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_noLead_generator.py QFN, 48 Pin (https://www.trinamic.com/fileadmin/assets/Products/ICs_Documents/TMC2041_datasheet.pdf#page=62), generated with kicad-footprint-generator Soldered wire connection with feed through strain relief, for 6 times 0.5 mm² wires, reinforced insulation, conductor diameter 0.65mm, outer diameter 4.4mm, size source Multi-Contact FLEXI-xV 1.0 (https://ec.staubli.com/AcroFiles/Catalogues/TM_Cab-Main-11014119_(en)_hi.pdf), bend radius 3 times outer diameter, generated with kicad-footprint-generator JST VH series connector, BM24-40DS/2-0.35V (https://www.hirose.com/product/en/download_file/key_name/BM24/category/Catalog/doc_file_id/47680/?file_category_id=4&item_id=50&is_series=1 connector Hirose 40pin receptacle vertical Mini USB 2.0 Type B SMT Horizontal 5 Contacts (https://katalog.we-online.de/em/datasheet/65100516121.pdf Mini USB 2.0 Type.

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