I need to create some kind of counter, that counts how many times all of the transistors(signal_1, signal_2, signal_3, signal_4) I have used turn ON (and OFF) per second. I need to show the difference in switching frequency between 2-level and 3-level inverter, the signal is PWM. I have no clue how to do it, I'm really lost here.
This is my schematics (just 1/3 of it, other 2/3 is just doubled this).