Dobrica Pavlinušić's random unstructured stuff

Blue Pill: Revision 2

stm32f103 board

^ arduino boot loader

* https://github.com/rogerclarkmelbourne/Arduino_STM32/wiki/Flashing-Bootloader-for-BluePill-Boards

^ triple usb serial

* https://satoshinm.github.io/blog/171223_stm32serial_triple_usb-to-serial_adapter_using_stm32_blue_pill.html
* https://github.com/satoshinm/pill_serial

| TX pin | RX pin |
| PB10 | PB11 |
| PA2 | PA3 |
| PA9 | PA10 |

.pre
dpavlin@nuc:/nuc/stm32/pill_serial$ cat flash.sh
sudo ../stlink/build/Release/st-flash write src/pill_serial.bin 0x08000000
.pre