PL2303TA USB to TTL RS232 COM UART Module Serial Cable Adapter for Arduino | eBay
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DTECH FTDI USB to TTL Serial Adapter 3.3V Debug Cable 6 Pin Female Socket Header UART IC FT232RL Chip for Windows 10 8 7 Linux MAC (3-Meter, Black) - Newegg.com
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PL2303TA USB TTL to RS232 Converter Serial Cable module for win 8 XP VISTA 7 8.1 | eBay
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TTL-232R-3V3 - Ftdi - Cable, USB to TTL Level, Serial Converter