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The Arduino Yún is a microcontroller board based on the ATmega32u4 and the Atheros AR9331. Use this tag for questions specifically regarding the Yún, and not just general Arduino usage.

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Serial sensors and the Yun

The Yun is a bit different to other Arduinos. The main microcontroller is a ATmega32U4 with a build in USB interface. This is used for the connection to the PC so the single USART is not used for this …
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16 votes

How can I get a unique ID for all my Arduino boards?

There are a number of techniques you could use here to get a unique ID. FTDI chips have a unique serial number programmed onto them. This can only be accessed from the PC side of the connection as f …
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