There is a forum thread about this linked in the playground, but I don't have enough language skills to read much of it, so I have made a new example for this. Arduino Playground - LEDSensor In summary: It is quite easy and surprisingly accurate. You can even, as the example shows, use the same LED…

LEDs as light sensors

system June 12, 2007, 4:43am 2

Men, this is really interesting. Is there any way of getting rid of the low light flicker using the analog pin to read the light intensity?

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