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Amazon.com: DSD TECH SH-U09C2 USB to TTL Adapter Built-in FTDI FT232RL IC for Debugging and Programming : Electronics
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Amazon.com: HiLetgo FT232RL FTDI Mini USB to TTL Serial Converter Adapter Module 3.3V 5.5V FT232R Breakout FT232RL USB to Serial Mini USB to TTL Adapter Board for Arduino : Electronics
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Amazon.com: USB to TTL Adapter, USB to Serial Converter for Development Projects - Featuring Genuine FTDI USB UART IC 'FT232RL' : Electronics
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