Arduino Learning

light sensor

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Arduino Uno and ALS-PT19 ambient light sensor

In this example we connect a ALS-PT19 ambient light sensor to an Arduino Uno. This is the sensor I used for this. First lets look at some information about the sensor Description The ALS-PT19-315C/L177/TR8 is a low cost ambient light sensor, consisting of phototransistor in...
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GA1A12S202 light sensor example

In this example we will connect a GA1A12S202 Log-Scale Analog Light Sensor to an Arduino. The features of this sensor are as follows Output voltage increases with light on the sensor Logarithmic response not only gives more sensitivity in low light, its also almost impossible...
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