Marcel Duchamp wrote: > Olins switcher could be an entertaining project for students advanced > enough to want more advancement. I don't know what you mean by my switcher. I have used 10Fs quite a few times to control switching power supplies, sometimes several on the same PC board. My KnurdLight example PIC project (http://www.embedinc.com/pic/knli) uses a 10F204 to directly control the switching element of a power supply that drives a string of LEDs. ******************************************************************** Embed Inc, Littleton Massachusetts, http://www.embedinc.com/products (978) 742-9014. Gold level PIC consultants since 2000. -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist