cadstarsucks said:You should just put the two LEDs anti parallel, as it stands you are breaking the unlit one down. They typically have a 5V reverse breakdown rating.
And you need to change the 1N4001s to schottkys. 1N4001s are slow diodes that are not worth anything far beyond line frequency.
hi am have a project to design treadmill
and i hope to know how i can do the PWM controlling by the PIC microcontoller? and if i can use the same circuit which added in ur replay