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phlux0r 30/05/2018
These light sensitive resistor boards are great. The IC stabilises the reading and you just need to apply the correct calculation. In loop(): int sensorValue = analogRead(LIGHT_SENSOR); float Rsensor = (float)(1023-sensorValue)*10/sensorValue; Serial.println("the analog read data is "); Serial.println(sensorValue); Serial.println("the sensor resistance is "); Serial.println(Rsensor,DEC);//show the light intensity on the serial monitor;
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