> > Just want to throw my two cents in here... Make sure the relays you are
> > using are rated for very low current or they will foul up after many
> > operations. Usually this means gold tipped or mercury whetted and sealed.
> > Relay contacts rely on there being a fair bit of current (relative to the
> > size of the relay) to keep the tips clean.
> I will keep that in mind. I am also researching solid state relays, but
> finding ones with useful ratings can be hard. I was also thinking about
> using a triac to replace at least one relay (outgoing, not incoming).
did you check the analog mutliplexers, such as the 4067 (16<->1 channels
analog mux) ?
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