Do a search for PH sensors.  Acidity is measured on the PH scale, so the
sensors are called PH sensors.

-Adam

Alejandro Fubini wrote:
>
> Hello,
>
> I was wondering if anyone knows of the existence of acidity sensors. I'm
> thinking of building a tester for liquid acidity using a PIC 16F84 and some
> sort of sensor, only I've never come accross one. Any suggestions will be
> much appreciated.
>
> Thanks
> --Alex
>
> --
> http://www.piclist.com hint: PICList Posts must start with ONE topic:
> [PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads

--
http://www.piclist.com hint: PICList Posts must start with ONE topic:
[PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads