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CH340 Chip Cord Converter COM Port Serial Cable USB to RS232 DB9 9 Pin BLACK - Walmart.com
Amazon.com: Maikrt USB to TTL Serial Adapter CH340 chip Converter Module Debug Cable TTL to USB Serial Cable : Electronics
USB to RS485/422 Serial Port Cable Adapter Converter CH340 Chip for Win 7/8/10 | eBay
New CH340 USB to RS232 serial port 9 Pin DB9 Serial Cable COM Port Adapter Converter Drop Shipping - AliExpress
Amazon.com: PWOW USB to RS-232 DB9 Serial Adapter Blue (CH340 Chipset) : Electronics
Amazon.com: WITMOTION USB-UART Converter 3-in-1 Multifunctional(USB to TTL/ USB to RS232/ USB to RS485) 3.3-5V Serial Adapter, with CH340 chip Compatible with Windows 7,8,Linux,Arduino for Development Projects : Electronics