Posted on June 15, 2017 at 13:13Hello everybody! Can anybody say to me what I've do wrong:I have a development board based on STM32F407 ZGT6 (buy here: https://ru.aliexpress.com/item/STM32F407ZGT6-Development-Board-ARM-M4-STM32F4-cortex-M4-core-Boar...