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Amazon.com: waveshare USB to RS232/485/TTL(UART) Industrial Isolated Converter with Original FT232RL Inside and Power Isolation ADI Magnetical Isolation TVS Diode Protection Circuit Aluminium Alloy Enclosure : Electronics
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UC-3100P Isolated USB to UART Convertor 1Mbps RS-232 RS-485 RS-422 DB9 For Arduino Android Windows Linux Mac OS 3750V All in one - Price history & Review | AliExpress Seller - INHAOS
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