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Quick Details

  • Model Number: RB-A000008
  • Type: Voltage Regulator
  • Brand Name: Arduino
  • Place of Origin: Italy
  • Microcontroller: ATmega32u4
  • Operating Voltage: 5V
  • Digital I/O Pins: 20
  • Analog Input Channels: 12
  • Flash Memory: 32 KB (of which 4 KB used by bootloader)
  • SRAM: 2.5 KB
  • Clock Speed: 16 MHz
  • Application: Computer
  • Supply Voltage: 5V

Packaging & Delivery

Packaging Details: box
Delivery Detail: 3-5 days according to quantity


Technical Specifications:
1,AVR Arduino microcontroller
2,Microcontroller ATmega32u4
3,Linux microprocessor
4,PWM Channels 7

Arduino YÚN microcontroller PCB board




Arduino Yún microcontroller PCB board Front




Arduino YÚN microcontroller PCB board is the first member of a new groundbreaking line of wifi products combining the power Linux with ease of use of Arduino.


The first Arduino YÚN microcontroller PCB board is the combination of a classic Arduino Leonardo (based on the Atmega32U4 processor) with a Wifi system-ona-chip running Linino (a MIPS GNU/Linux based on OpenWRT). We embedded the Linux machine directly on the PCB of the Arduino Leonardo and we connected the two so that from Arduino it’s very easy to run commands on the Linux side and use it as an Ethernet and Wifi interface.


The Arduino Yún microcontroller PCB 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 Arduino Yún microcontroller PCB board is similar to the Leonardo in that the ATmega32u4 has built-in USB communication, eliminating the need for a secondary processor. This allows the Yún to appear to a connected computer as a mouse and keyboard, in addition to a virtual (CDC) serial / COM port.

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.

Arduino Yún microcontroller PCB board Front

Technical Specifications:

AVR Arduino microcontroller

Microcontroller  ATmega32u4
Operating Voltage  5V
Input Voltage  5V
Digital I/O Pins  20
PWM Channels  7
Analog Input Channels 12
DC Current per I/O Pin  40 mA
DC Current for 3.3V Pin  50 mA
Flash Memory  32 KB (of which 4 KB used by bootloader)
SRAM  2.5 KB
Clock Speed  16 MHz


Linux microprocessor

Processor Atheros AR9331
Architecture MIPS @400MHz
Operating Voltage 3.3V
Ethernet IEEE 802.3 10/100Mbit/s
WiFi IEEE 802.11b/g/n
USB Type-A 2.0 Host/Device
Card Reader Micro-SD only
Flash Memory 32 MB


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