Alan,


> I'm starting to think that ordinary transistors may be the way to go, but
> the ULN2xxx driver series are real nice in that they are darlington bipolar,
> so it will not matter if the inputs get left open because a beginner hasn't
> connected them anywhere, and they have built in resistors so they don't tie
> down the outputs to Vbe type levels - read component count.

We stock TD62003 (ULN2003) and this would certainly be our preference. I am
not sure how the 2803 differs to the 2003 though.

Regards,

Sean

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