On Tue, Jan 7, 2014 at 2:02 AM, IVP wrote: > Attached is what I'd typically use between a PIC and a FET > > Q1 and Q2 can be ordinary BJT, eg BC337, BC327, or low Vsat > fast-switching high-current like Zetex ZTX450, ZTX550. hFE for > either is several hundred so R2 can be anything over 270 ohms, > keeping in mind the PIC pin's 20mA > > R3 is 10 ohms, D1 is 12V or 15V Ah, very nice! I think for my current application I won't have the space, but I like the design! Josh --=20 A common mistake that people make when trying to design something completely foolproof is to underestimate the ingenuity of complete fools. -Douglas Adams --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .