STM32VLDISCOVERY Boot-shield. Part 2.

FT232R	USB to serial UART interface
P10CU-0505ELF	DC-DC converter (5V to 5V)
LM1117	3.3V Low-Dropout Linear Regulator
ADuM1301	Triple-Channel Digital Isolator
Two push buttons	Boot and Reset

And STM32 programmer