Amazon | Waveshare CP2102 USB UART Board (micro) CP2102 USB to UART Module USB Micro Connector Features the Single-chip USB to UART Bridge CP2102 onboard Supports Mac, Linux, Android, WinCE, Windows 7/8/8.1
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Amazon.com: CP2102 USB - UART Bridge TTL Serial Communication Interface 3.3V - 5V : Electronics