msg:
>Hi I'm doing a project where I measure the amount of light in the room
>with a PIC16c71.  Does anyone know of a sensor that can measure light
>intensity?  Thanks.

How about just using a photocell? It's resistance varies (inverse) with the
amount of light. You could put it in the feedback loop of an opAmp, and
probably linearize it somewhat before sending the voltage to the PIC.

In addition, Burr Brown makes a series of photodiodes with built in amplifiers.

Chris


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