Regarding memory size it all depends on what you want to do, what input data you are analyzing.Regarding tools Tensorflow and Edge impulse tools should help you to create and train your NN.The stm32Cube.ai tool will "compile" a pre-trained NN to make...
Some models should fit on the 64kb of flash budget.FYI you could also try https://stm32ai.st.com/nanoedge-ai/ or https://stm32ai.st.com/stm32-cube-ai/ tools to fit models on your Blue pill board.After another option to run models (neural networks) i...