At 07:09 AM 7/28/95 -0600, Harrison Cooper wrote: >There was some discussion on interfacing with a SSR, but I don't remember >reading how it turned out. > >How about this one - since the output current is quite hefty from a PIC >(40 mA if I remember right), can you drive a sensitive gate triac directly ? >Data sheet for a MAC228A would indicate 5mA trigger with a 15mA hold. >Anyone done this before ? Normally, I use a optocoupler but it would be >nice to eliminate another part. > >hcooper@es.com > > I thought about this too, but I wanted zero-crossing, and the triac-output optocouplers are pretty cheap and reliable (and easy to use). I think I'd rather pay the extra two bucks per triac than risk blowing up my PIC and all its attached hardware with 115 VAC... Kevin Fleming, Reliable Networx, Inc. Phoenix, AZ Internet: kpfhome@primenet.com "Please, don't change colors while I'm talking to you."