TI-Stellaris-Launch Pad-Evaluation-Kit-for-Arm-Cortex-M4F-Microcontrollers-Texas-Instruments-EK-LM4F120XL-The-Stellaris-LM4F120-Launch Pad-Evaluation-Board-is-a-low-cost-evaluation-designed-for-the-development-of-applications-using-Texas-Instruments-ARM-Cortex-M4F-based-microcontrollers-Features-of-this-evaluation-board-include-programmable-user-buttons-&-an-RGB-LED-that-enables-custom-applications-The-design-of-the-Launch Pad-highlights-the-LM4F120H5QR-32-bit-ARM-microcontroller-with-a-USB (Universal Serial Bus)-