hydrabus Options
HydraBus open source multi-Resource for anyone enthusiastic about learning/developping/debugging/hacking/Penetration Screening for essential or Superior embedded componentsThe HydraBus board is a little (60mm x 37mm) and low priced, multi-Instrument extensible board with STM32F405 Cortex M4F 32bits MCU @168MHz with a completely open up source firmw