Show HN: The Gnuk Smartcard Based on the STM32F1x and Geehy APM32 (github.com)

Sign, authenticate and encrypt with a USB dongle at the cost of a soda. The goal here was to easily program around ~20 Gnuk devices at the budget of a single dongle of the commercial solution. Contains every step and fixes to get it running on current and next Ubuntu and Debian versions.