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The Arduino UNO uses the FTDI USB to Serial Driver Chip.

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The Arduino UNO uses the FTDI USB to Serial Driver Chip.

(a) True

(b) False

This question was addressed to me during an internship interview.

Query is from Board Hardware Specifications in chapter Board Specifications and Types of Arduino

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Right answer is (b) False

The explanation: The Arduino UNO uses the ATmega16U2 which is programmed as a USB to Serial Converter. This is used when an inbuilt USB adapter is not present and provides the same functionality as the USB adapter, I.e. transferring programs from the computer to the chip and vital information from the chip back to the computer thus forming an effective 2 way communication.

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