the mini::base carries the main microcontroller unit of the board::mini stack: the STM32F103CBT6, an STM32 component widely featured on development boards, most notably the popular “blue pill” board.
our focus for the mini::base were practical, commonly used features implemented via reliable components. we aim to make the bmc::board line viable for everything from development through prototyping and final product (contact us for bespoke PCB geometries).
size is not the most important aspect for a development-style board. nonetheless we aimed to keep it compact yet robust, again with the goal of making the board::project line viable for more than just desk environments. as a visual aid and to ease integration, we decided to use the credit card form factor as a reference, and the mini stack is exactly half a credit card in footprint at 54.0mm x 42.5mm.