This is detailing the work getting neural networks running on the STM32 AI

https://www.st.com/en/embedded-software/stm32cube-expansion-packages.html#products

https://www.st.com/en/embedded-software/fp-ai-sensing1.html

https://www.st.com/en/embedded-software/stm32-ode-function-pack-sw.html#products

https://www.digikey.com/en/products/detail/stmicroelectronics/B-L475E-IOT01A2/6615999