Yea another newbie here. been reading alot for the past few trying to figure a course to take and build a system for one of my rigs. my question is this. What is the desired wave form that I want to get from a PWM I understand why to use one but I can't seem to find out what the wave should look like, or better still the range both in amplitude and frequency. Any ideas? Many micro controllers have a PWM function and would be a great candidate for a cell management system. First need to know what I need. Replies much appreaciated. Thanks!