Gene writes: > And I haven't carved up a pcb to hold it all yet either. I never do pcbs for this sort of thing. I just solder point to point on a breadboard. Printed circuit boards are for production. > The qucs simulation is hampered by its lack of two part models, a decent > hexfet, and a total lack of anything that looks like a 40 Amp SSR.
The circuit simulators in the Debian archive have libraries of models for all these things. BTW many SSRs can be driven directly by logic. Here's one: https://www.sparkfun.com/products/13015 And here's an application note: http://www.wrcakron.com/catalog/10b_SSR_Applications.pdf -- John Hasler jhas...@newsguy.com Elmwood, WI USA