You can do it with a hardware timer, but the last time someone wanted such a slow PWM frequency they were trying to change traffic lights from red to green on-the-fly. I don't suppose this is anything to do with that?
You can do it with a hardware timer, but the last time someone wanted such a slow PWM frequency they were trying to change traffic lights from red to green on-the-fly. I don't suppose this is anything to do with that?