Re: CLI hack problem

["rectorydp" <dpullen@xxxxxxxxxxxxxxxx>]

Well I tried using a 12v supply and I received the same result. I have
also heard from someone else who has seen exactly the same thing using
this circuit (from James Derrick) but with a CD50. I haven't yet
confirmed if we used the same opto.

I am even more mystified now and will be grateful for any suggestions.

Best Regards
David



> Keith
>
> Good to see an expert on the case!
>
> I will try a wall wart. Certainly my first thought was that I was
> running out of power. I did try doubling the capacitor value thinking
> that I should at least get an extra digit if the power was running out
> but that made no difference at all.
>
> The lcd displays all the digits and does not appear to crash at all. I
> don't have to reset anything when a new call comes in. It just reacts
> in exactly the same way. I also removed the lcd display as I thought
> that would help if it was sharing power with the opto-isolator. Again
> there was no difference in the result.
>
> All thoughts welcome.
>
> Thanks
> David