Hi guys, i have this type of errors when i try to connect stm32f446re with simulink. I hope that someone can help me to fix the problem.

Hi guys, I'm new to this community and inexperienced. I bought this sensor, an opto coupler speed sensor, and would like to use it with my stm card f446re to calculate the speed of a dc motor, but I have no idea how to calculate it.Does anyone have ...