Re: [DIYbio] Measuring plant voltages

I just learned of the crescograph recently:
http://en.wikipedia.org/wiki/Crescograph

It seems someone in the SF Bay area has made one:
http://www.ebdir.net/enlighten/equipment.html

and something here
http://sonoma-dspace.calstate.edu/handle/10211.1/1665

On Thu, Aug 1, 2013 at 6:23 PM, Sebastian Cocioba <scocioba@gmail.com> wrote:
> SpikerBox works very well with plant action potentials. If you google Ivan
> Henriques, you may find his recent art work on a plant controlled robot. It
> takes the signal moves the not in a random direction. Its a simple DIY box
> and its very fun to play with. Good luck!
>
> Sent from my Windows Phone
> ________________________________
> From: Carlos Castellanos
> Sent: 8/1/2013 9:20 PM
> To: diybio@googlegroups.com
> Subject: [DIYbio] Measuring plant voltages
>
> Hi gang,
>
> I'm hoping there is someone here with some knowledge of plant biology. I
> would be very grateful for any advice, references, etc on the subject of
> measuring plant voltages and other properties (e.g. pH). I'm thinking a GSR
> circuit using a wheatstone bridge and op-amp will do but I would appreciate
> any schematics/diagrams, etc
>
> I would also like to see discussion of parameters, variables, experiments
> most galvanically active plants, etc. I am particularly interested in
> measuring voltages and biochemistry in wetland/marshy areas.
>
> Any suggestions concerning other (simple) techniques for real-time feedback
> from plants would be appreciated.
>
> Thanks!
> -Carlos
>
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--
-Nathan

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