1 - General Input Output (GPIO) - Toggle I/O Pins - Read Input Pins (Button)

2 - USB Virtual Communication Port Example (USB_VCP) - Toggle LEDs using number keys (3-6) - Toggle LEDs using User Button on board

3 - Timer (Time base) mode with Polling (TIM2) - Toggles PD13 at a freq of 70KHz

4 - Timer (Time base) mode with Interrupt (TIM2) - Toggles PD13 at a freq of 70KHz

5 - SDIO Example