STM32F407VET6 STM32F407ZGT6 STM32F407ZET6 development board Cortex-M4 STM32 minimum system board ARM learning core board
USD 20.80
STM32F407VET6 STM32F407ZGT6 STM32F407ZET6 development board Cortex-M4 STM32 minimum system board ARM learning core board