Embedded World 2014: seeed studio Arch Pro, Arch Pro is an mbed enabled development board for rapid prototyping. It's a variant of mbed LPC1768 with build-in Ethernet, USB Host/Device, Grove connectors and Arduino form factor. NXP LPC1768 MCU ARM Cortex-M3 core, up to 100 MHz 512KB Flash, 64KB RAM Ethernet, USB Host/Device, 4xUART, 3xI2C, 2xSPI