In this article, we connect a KY-018 Photoresistor or LDR to an Arduino Uno The KY-018 is a Photoresistor module which can be used to measure light intensity. The resistance will decrease in the presence of light and increase in …
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LDR
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In this example we will look at the RGB led and the LDR that are fitted to the Esplora. You can see these in the image below Code This is a basic example that will display the reading from the …