TL;DR based on the following pseudo code TURN LED ONdelay(2)TURN LED OFFdelay(6) So what is the Frequency?frequency = 1000ms / (2ms+6ms) hertz So what is the Duty Cycle?Duty Cycle = 2 / (2+6) (%) In this exampleFrequency = 125 hertz (125 changes per sec)Duty Cycle = 25% (so it...