AVR-Chat

joseph torelli said:
> I don't know if this will fit but google "uln28003a". This is a relay
> driver chip. I has protection diodes built in. It can drive 8 relays or
> you can parallel the output for higher current relays. You can control
> it right from the output pins of the micro.

I've used those before.  You have one too many zeros in the part number
though.  It is ULN2803A instead.  Pay note that these are darlington
devices and there may be a little higher voltage from the output in the
clamped state than a single transistor driver will have.

Mike