Not only to drive an LED segment, I'd like to hear suggestions for using a controller to ignite rocket ignitors. As I understand, I'll need at least an amp to do that. thanks Lloyd Verhage > I am using a PIC16C84 to drive some 7 segment LED displays. My problem is > that the LED's are those BIG (3 inch) ones and each segment needs 40mA. I > was going to use a 2803 to drive them but with all 7 segments on, it looks > like the power was too high. > > Can some of you suggest the best (simplest/cheapest) way to drive these > LED's. Right now, I'm planning to have a 4511 decoder switch individual > 2N2222's for each segment. > > Thanks for any help/suggestions. > > Scott