STM32F103C6T6 ARM STM32 Minimum System Development Board micro USB / Type-C

One STM32F103C6T6 main chip. One function indicator, used to verify the basic functions of the IO port. 1 power indicator. 2 （Without serial port 3）. IO extension header 20pin x 2. Serial ports. One standard SWD port, support JLink, STLink, JLINK OB.

eBay