FT232 USB UART Board (Type A) (Waveshare) USB-to-UART serial convertor
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PL2303 USB To UART (TTL) Communication Module V2, USB-A Connector (WS-20265)
Waveshare PL2303 USB UART Board (mini) TXD /RXD /POWER LED UART interface VCC | eBay
SunRobotics CP2102 USB to TTL USB UART Module Serial Converter - Buy SunRobotics CP2102 USB to TTL USB UART Module Serial Converter Online at Low Price in India - Amazon.in