How to use ldr with arduino?



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Hear this out loudPauseThe sensor that can be used to detect light is an LDR. . Since the LDR gives out an analog voltage, it is connected to the analog input pin on the Arduino. The Arduino, with its built-in ADC (analog-to-digital converter), then converts the analog voltage (from 0-5V) into a digital value in the range of (0-1023).


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