Overview
The Yún rev. 2 with the power of a Linux based system that enables advanced network connections and applications.
Connection to your WiFi or wired network is simple thanks to the Yún Web Panel and the dedicated ”YunFirstConfig” sketch. The Web panel allows you to manage your shield preferences and upload your sketch. The Yún rev. 2 uses the Bridge library and so extends the board capabilities by using the Linux processor.
As always, every element of the platform – hardware, software and documentation – is freely available and open-source. This means that you can learn exactly how it’s made and use its design as the starting point for your own projects.
Tech specs
AVR Arduino microcontroller
| Microcontroller | ATmega32U4 |
| Operating Voltage | 5V |
| Input Voltage | 5V |
| Digital I/O Pins | 20 |
| PWM Output | 7 |
| Analog I/O Pins | 12 |
| DC Current per I/O Pin | 40 mA on I/O Pins; 50 mA on 3,3 Pin |
| Flash Memory | 32 KB (of which 4 KB used by bootloader) |
| SRAM | 2.5 KB |
| EEPROM | 1 KB |
| Clock Speed | 16 MHz |
Linux Microprocessor
| Processor | Atheros AR9331 |
| Architecture | MIPS |
| Operating Voltage | 3.3V |
| Ethernet | 802.3 10/100Mbit/s |
| WiFi | 802.11b/g/n 2.4 GHz |
| USB Type | 2.0 Host |
| Card Reader | Micro-SD |
| RAM | 64 MB DDR2 |
| Flash Memory | 16 MB |
| Clock Speed | 400 MHz |
Documentation
OSH: Schematics
The Yún Rev. 2 is open-source hardware! You can build your own board using the following files:
Pinout Diagram
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