A Review Of hydrabus
HydraBus open source multi-Resource for anyone enthusiastic about Studying/developping/debugging/hacking/Penetration Screening for essential or Sophisticated embedded hardwareThe HydraBus board is a little (60mm x 37mm) and inexpensive, multi-Resource extensible board with STM32F405 Cortex M4F 32bits MCU @168MHz with a fully open resource firmware