Re: PH meter schematic
- From: "Homer J Simpson" <nobody@xxxxxxxxxxx>
- Date: Fri, 24 Nov 2006 21:47:21 GMT
"Mike Monett" <No@xxxxxxxxx> wrote in message
news:Xns98853F93F78F9Noemailadr@xxxxxxxxxxxxxxxx
I seem to recall a cheap homemade ph sensor mentioned in some newsgroup.
Not as accurate as commercial units, but maybe good enough for
non-critical
applications.
Do you have any idea how to do that?
Amateur Scientist column in Scientific American?
.
- References:
- PH meter schematic
- From: Myauk
- PH meter schematic
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