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Arduino Yun board

Arduino | A-000000-01082
The Arduino Yun board is a clever product which that incorporates the features of a standard Arduino Leonardo, a section with additional hardware, with a separate processor can accommodate a full GNU / Linux release (OpenWRT) that is specifically intended for internet connectivity. So with this board, you don’t need Wifi anymore, you can keep programming the Arduino way but you keep an internet wireless connection based on Linux. Isn’t it great? DISCONTINUED ARTICLE.
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The Arduino Yun board has two processors on board the ATmega32U4 processor and the Atheros 9331. The latter runs a distribution of Linux called Linino, based on OpenWrt.

The board has built-in Ethernet and WiFi support. In addition to these main points, the Arduino Yun board also features , a USB-A port, micro-SD card slot, 20 digital input/output pins (of which 7 can be used as PWM outputs and 12 as analog inputs), a 16 MHz crystal oscillator, a micro USB connection, an ICSP header, and a 3 reset buttons. As you realise, the Arduino Yun board is unlike any other boards. The following figure shows schematic for the Arduino Yun board.

Schematic of the Arduino Yun board

 

Linux supported Wifi on the Arduino Yun board

The Arduino Yun board distinguishes itself from other Arduino boards in that it can communicate with the Linux distribution onboard, offering a powerful networked computer with the ease of Arduino. In addition to Linux commands like cURL, you can write your own shell and python scripts for robust interactions.

The Yun is similar to the Arduino Leonardo board in that the ATmega32u4 has built-in USB communication, eliminating the need for a secondary processor.

Bridge Wifi Arduino Yun

The Bridge library facilitates communication between the two processors, giving Arduino sketches the ability to run shell scripts, communicate with network interfaces, and receive information from the AR9331 processor.

The USB host, network interfaces and SD card are not connected to the 32U4, but the AR9331, and the Bridge library also enables the Arduino to interface with those peripherals.

The Schematic & Reference Design are available in a PDF format : Arduino-Yun-schematic.pdf

Need help choosing the right Arduino? Check out our guide!

Need help choosing the right Arduino? Check out our guide!

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