**Port breakout board for the generic STM32 'Blue Pill' development boards**
*May also support Red/Black Pill boards where pinout/size is compatible with the Blue Pill board.*
Shield for blue-pill compatible boards.
Allows to connect a second blue-pill as ST-LINK.
May use with blue-pill compatible boards on stm32f401 or stm32f411 (black-pill). For example see https://msalamon.pl/pogromca-bluepill-nadchodzi-nowe-czyli-blackpill-z-stm32f4/