sorry about that !!

VIN------ooooooooooo-----       ----->|--------------------
            L            | fet_|         |            |
                            |            R            cap
                            |            R            |
                            R            R            V
                            R            |_____
                            R            |        |  to 2nd pic pin
                            |            R        |     (A2D)
                            |            R        _
                            |            R        |
            To 1st pic pin  |            |        |
             pwm                         |        | GND



> i've just started looking in this area as i have a little project i will be
> doing
> this seems to be one of the most simplest circuits & it should fit in a
> small space.
> glen
>