Re: [CAD_CAM_EDM_DRO] Digital Caliper Output

bcollier@... wrote:

> Following up on my earlier posts about "Lengthening Digital Calipers"
> and "Automated Manual CNC" -
>
> What would be the easiest way to output from a digital caliper head?
>
> Using SPC would limit me to 500 millisecond or so up updates and
> maybe limit the range to less than 9.9995 inches . . .
>
> What about tapping into the circuit to get a pulse - is there any
> exposed circuitry or is it all on one embedded chip?

Yes, I've opened these up from time to time, mostly to glue the window
back in when somebody gripped one too hard. There is generally just one

BARE chip, glued onto the PC board, wire bonded and then covered over
with
a glob of epoxy. There are very few connections you can even get to.

Jon