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In this lesson we learn how a photoresistor works. We look at the solid state physics that allow the resistance to change with changing light levels. We then make a simple project where the arduino switches LEDs based on whether or not there are lights.
You can get the kit I am using for this series at the following link:
amzn.to/2I7N4Ek
Also, you can get the Mastech Digital Voltmeter I am using here:
amzn.to/2Ks9nHN
You can get more details on this lesson at our WEB site HERE:
toptechboy.com/arduino-tutorial-25-understanding-photoresistors-and-photo-detectors/
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#Arduino