In message  <199611260253.UAA08539@jaguar.tikal.net.gt> PICLIST@MITVMA.MIT.EDU
 writes:
> I need to build a controller for a coin operated machine, which has to
> recognize the different coin values.  Plus, it has to be capable of being
> set-up for other countries' coins.  Does anybody know if such a detector
> exists, and how it can be connected to a PIC?
>

Mars Electronics are the market leaders in the UK, supplying (amongst
others) British Telecom.

Their offices are just down the road from me. If you want
their phone or fax number please e-mail me.



Regards,

Mike Watson