color-mixing-lamp

const int greenLEDPin = 9;
const int blueLEDPin = 10;
const int redLEDPin = 11;
                              //useful constants
const int redSensorPin = A0;
const int greenSensorPin = A1;
const int blueSensorPin = A2;
 
int redValue = 0;
int greenValue = 0;
int blueValue = 0;
                          //variables to store the sensor readings as well as the light level of each LED 
int redSensorValue = 0;
int greenSensorValue = 0;
int blueSensorValue = 0;
 
void setup(){
  Serial.begin(9600);
                                //setting the direction of the digital pins and setting up the serial port
  pinMode(greenLEDPin, OUTPUT);
  pinMode(blueLEDPin, OUTPUT);
  pinMode(redLEDPin,OUTPUT);
}
 
void loop(){
  redSensorValue = analogRead(redSensorValue);
  delay(5);                                         //reading the vlaue of each light sensor
  greenSensorValue = analogRead(greenSensorValue);
  delay(5);
  blueSensorValue = analogRead(blueSensorValue);
  
  Serial.print("Raw Sensor Value \t Red:");
  Serial.print(redSensorValue);
  Serial.print("\t Green:");                //report the sensor readings to the computer
  Serial.print(greenSensorValue);
  Serial.print("\t Blue:");
  Serial.print(blueSensorValue);
  
  redValue = redSensorValue/4;
  greenValue = greenSensorValue/4;    //Convert the sensor readings from a value between 0 - 1023
  blueValue = blueSensorValue/4;     //to a value between 0 - 255 
  
  Serial.print("Mapped Sensor Values \t Red:");
  Serial.print(redValue);
  Serial.print(" \t Green:");      //report the calculated LED light levels
  Serial.print(greenValue);
  Serial.print("\t Blue:");
  Serial.print(blueValue);
  
  analogWrite(redLEDPin,redValue);
  analogWrite(greenLEDPin, greenValue);    //Set the LED light levels
  analogWrite(blueLEDPin, blueValue);
}