The Arduino™ Yun
is a MIPS board based on the Atheros AR9331 and the ATmega32u4 (datasheet
). The Atheros processor supports Linino, a Linux distribution based on OpenWRT. The board has built-in Ethernet, 802.11 g/b/n WiFi support, 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 3 reset buttons.
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