Hans Kerensky

Hans Kerensky

Posted on 07/06/2013


Photo taken on July  6, 2013


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Keywords

Light
Photodiode
BPW21
Meter
Sensor
Shutter
Strength
Speed
Experiment
OpAmp


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Light Sensor Experiments (02)

Light Sensor Experiments (02)
Light Sensor Experiments.

Here the BPW21 is partly covered by a strip of black cardboard.

The output voltage drops to 0,034 Volt. Ok !

Next tests will be with different amplification factors and also i must try to borrow a memory oscilloscoop from somebody to see how the output signal behaves.
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For the connaiseurs amongst us, those two 120 type film spools (plastic) are only there as insulators to prevent the crocodile clamps accidentaly touching eachother ;-)

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