Arduino Industrial 101 development board

ATmega32u4, 32 KB, 2.5 KB SRAM, 1 KB EEPROM, 16 MHz, AVR, 42 x 51 mm, 12 g Arduino Industrial 101 is an Evaluation board for Arduino 101 LGA module. The ATmega32u4 microcontroller is integrated in the baseboard. The module supports a Linux distribution based on OpenWRT named LininoOS. The board has built-in WiFi (IEEE 802.11b/g/n operations up to 150Mbps 1x1 2.4 GHz), 3 GPIOs (of which 2 can be used as PWM Outputs), 4 Analog Inputs, 1 USB, 1 Ethernet signal on pin headers and a built-in DC/DC converter.
Check out the assembling guide and simply connect your board to a computer with a micro USB cable to get started.