Thank you. I was able to get the code to work using both hardware and hardware timed methods. Both are much better than the software timed PWM.

I'm new to the Raspberry pi (I have the Pi 4B) and I can't find an exact answer to this question in the forums. Pigpio on their website states: Features: hardware timed sampling and time-stamping of GPIO 0-31 every 5 us hardware timed PWM on all of GPIO 0-31 I need 3 GPIO's with precise PWM control ...