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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
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USB/SERIAL CONVERTER LIGHT ARDUINO - Extension module | USB B; Interface: RS232,UART; A000015 | TME - Electronic components (WFS)
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Amazon.com: 3.3V 5V FT232RL USB to TTL Serial Converter Adapter Module for Arduino 4 pcs : Electronics
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