See thoughts/university/twenty-four-twenty-five/sfwr-4aa4/lab8/pwm/part1.c
See thoughts/university/twenty-four-twenty-five/sfwr-4aa4/lab8/pwm/part2.c and thoughts/university/twenty-four-twenty-five/sfwr-4aa4/lab8/pwm/part2_application.c
See thoughts/university/twenty-four-twenty-five/sfwr-4aa4/lab8/pwm/part3.c and thoughts/university/twenty-four-twenty-five/sfwr-4aa4/lab8/pwm/part3_application.c