--- Cedric Chang wrote: > Since I have a fixed amount of space, I am wondering > if it > is better to have many windings of a smaller gauge > wire or > fewer windings of a larger gauge wire. Hi Cedric, As long as you fill it up with wire, the only thing you will really change is the operating voltage. So if you want to operate on the same voltage, use the same gauge wire. Cheerful regards, Bob -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist