blue-pill: A small STM32 (Cortex-M0) development board. I bought five dev boards and a JTAG programmer for sub-$20, and figured I'd mess around with it and see what happens. Projects: + blinky: the hello, world of software projects + draugr: a hardware abstraction layer, due to be renamed + skeleton: currently a skeleton for experiments, due to be replaced by draugr + pins.txt: some useful hookup information