In SX Microcontrollers, SX/B Compiler and SX-Key Tool, Peter Van der Zee wrote:

Hi All;

But why would you use an external A/D when the SX can do this all internally so easily..... that is if I understand the problem correctly..... I think this can all be easily done with some push buttons and a handful of resistors.

JPH, I think you are making this WAY too hard. But please, to be sure, can you explain in different words exactly what you are trying to accomplish... there is still some guessing going on here on the readers' parts.

Think outside the box; don't presume certain implementations such as multiple input phone jacks, particular relays etc., unless such are a specific requirement, and  then explain why so we can get a  better understanding. Describe what needs to be achieved, but not how to implement it.

I suspect what is required here is bordering on trivial, but we need a better desciption.

Cheers,

Peter (pjv)

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