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Topic: Photodiode interfaced with arduino (Read 574 times) previous topic - next topic

qammar

I want to get an arduino board that is interfaced with a photodiode?
I want it to generate a data output of intensity with respect to time on a SD card .

I have searched the web, but didn't find it. I would prefer to have the arduino board programmed in advance.

Please Help its for a final year project!!

retrolefty

Photodiodes are very low level devices that require amplification before being useful as a analog input for an arduino. See if any of the example circuits in the below document might be appropriate to what you wish to do.


http://sales.hamamatsu.com/assets/applications/SSD/si_pd_circuit_examples.pdf

Lefty

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