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Revision as of 03:18, 18 July 2016
Contents
Introduction
OverView
Iduino Yun is a ideal IoT device for Internet of Things projetcs. It is a compatible / replacement product for Arduino Yun. It works with Arduino IDE with version higher than 1.5.4.
The Iduino Yun is a microcontroller board based on the ATmega32u4 and the Atheros AR9331. The Atheros processor supports a Linux distribution based on OpenWrt named OpenWrt-Yun. The board has built-in Ethernet and WiFi support, 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.
The Iduino Yun is similar to the Arduino Leonardo in that the ATmega32u4 has built-in USB communication, eliminating the need for a secondary processor. This allows the Yun 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.
Features
- Open source Linux (OpenWrt) onboard
- Compatible with Arduino IDE 1.5.4 or later, user can program, debug or upload sketches to the Arduino board via the Arduino IDE.
- Managed by Web GUI, SSH via LAN or WiFi
- Software upgradable via network
- Built-in web server
- Supports internet connection via LAN port, WiFi or 3G dongle.
- Supports USB flash to provide storage for Arduino projects.
- Failsafe design provides robust system.
Specifications
AVR Arduino microcontroller
- Microcontroller ATmega32U4
- Operating Voltage 5V
- Input Voltage 5
- Digital I/O Pins 20
- PWM Channels 7
- Analog Input Pins 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
- EEPROM 1 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
- Card Reader Micro-SD only
- RAM 64 MB DDR2
- Flash Memory 16 MB
WiFi Specification
- WiFi: Support 150M 2.4Ghz WiFi, 802.11 b/g/n
- Frequency range: 2.4~2.4835GHz
- Modulation: BPSK, QPSK, CCK and OFDM (BPSK/QPSK/16-QAM/ 64-QAM)
- Sensitivity @PER: 135M : -65dBm@10%PER; 65M : -65dBm@10%PER; 54M : -68dBm@10%PER;
11M : -84dBm@8% PER; 6M : -88dBm@10% PER; 1M : -90dBm@8% PER
- Typical Distance: Indoor: 60m (max); Outdoor 150m (max) (with 2 dBi antenna)
- RF Power: 11n: 13dBm; 11g: 13-15dBm, 11b: 16-18dBm,
- Connector: I-PEX connector.
