Can anyone help to find the error in the code because it is not able to print anything on the console. I have also try to change the pins of UART but then also it is not be to print anything on the console. 

I am trying to make a voice controller light with the help of STM32F411RE. I have trained a model with the help of google colab and imported it in both the format that is .h5 and .tflite but initially it was showing that the space is full and then af...