These examples go along with my Youtube series on STM32F4 Development: http://www.youtube.com/playlist?list=PL0wGKPc4_PKMqP_EkIwpvExM2rvi_-R3z Examples: 1. Blinky_btn: Basic blinky example which is controlled by the push button on board (Polling method for btn) 2. USART: Basic setup for USART and the Interrupt Request 3. EXTI: LED controlled by an external interrupt connected to the user button 4. PWM_Servo: Controlling two servo motors using the TIM peripheral in PWM Mode *Note: These examples were compiled on Mac OS X Yosemite 10.10.2