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Cp2104 Usb-ttl Uart Serial Adapter-microcontroller, 5v/3.3v, Usb-a - Integrated Circuits - AliExpress
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Cp2104 Usb-ttl Uart Serial Adapter-microcontroller, 5v/3.3v, Micro Usb - Integrated Circuits - AliExpress
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Adafruit CP2104 Friend - USB to Serial Converter : ID 3309 : $5.95 : Adafruit Industries, Unique & fun DIY electronics and kits
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Amazon.com: Walfront CP2104 Serial Converter USB 2.0 to TTL UART 6PIN Module Serial Converter Board Module with Wire and Indicator Light : Electronics
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