/diy/ - Do It Yourself

Anonymous Wed Mar 15 12:03:28 2017 No.1145097 [View]
File: 26 KB, 679x502, ldr.png [View same] [iqdb] [saucenao] [google]

It is well-known that the resistance of a light-dependent resistor (LDR) varies exponentially with respect to the intensity of the light falling on the photo-sensitive surface.

Would it be possible to use a logarithmic amplifier circuit (or IC) to linearize the response of the LDR? This would make it more useful for interfacing with an A/D-converter or microcontroller chip.

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/diy/ - Do It Yourself

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