CH552 low-speed/full-speed USB low-cost 8-bit E8051 MCU, 20Pcs/Lot - AliExpress
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Beagle USB 12 - Low/Full Speed USB Protocol Analyzer : ID 708 : $495.00 : Adafruit Industries, Unique & fun DIY electronics and kits
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USB connectors – how to use them in modern industry in an optimal manner? | Electronic components. Distributor, online shop – Transfer Multisort Elektronik
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ISOUSB211 High/Full/Low Speed USB Repeater - TI | Mouser
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USB Made Simple - Part 3
