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2 in 1 USB to RS422 & RS485 Converter Adapter
$12.21
USB to RS485 485 Converter Adapter FT232 #K2 XR0017-64
$4.58
$1.60
USB to RS485 485 Converter Adapter CH340 #DD1 GXRA0338-001
$1.91
WEMOS CH340G CH340 Breakout 5V 3.3V Micro USB to Serial Module Board For Arduino Downloader Pro Mini #K5 X12864
USB to RS485 485 Converter Adapter PL2303 #K2 011047
Mini RS232 MAX3232 to TTL converter #K2 01010910
$0.76
USB Transfer to TTL RS232 Serial Port Adapter Cable #K2 010103
$3.81
USB to RS232 COM Port Serial 9 pin Cable Adapter #K2 050053 or GXRA0139-00
$2.29
USB to TTL CH340G module #K2 011045
$1.53
USB to RS232 Serial Port 9 Pin DB9 Converter #K2 011055
RS232 To TTL Converter #K2 012691
$1.14
PL2303TA USB TTL RS232 Convert Serial Cable #K2 010489