## Bluepill STMF103C8

Serial "uart0" of mynewt is actually using USART2 peripheral, which has default pin mapping of TX2: A2, RX2: A3

Haven't yet tested SPI, I2C, Timers, etc.

Lots more great info at stm32duino wiki:
https://wiki.stm32duino.com/index.php?title=Blue_Pill

### board pinouts
![enter image description here](https://wiki.stm32duino.com/images/a/ae/Bluepillpinout.gif)

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