Board with a microcontroller of Freescale Kinetis - ARM Cortex M0+.
Board with LowPower Kinetis L microcontroller from Freescale - core ARM Cortex M0+. There are additional accessories, i.a.: accelerometer, touch strip and a light sensor. Compatible with popular environments, including ARM Keil and IAR. For programming used is the OpenSDA system with connector miniUSB.