Page 23 - S.Shafna (1B), 2207, Ass-1

❖ Arduino codes

//Colour Sensor Dec 2019
//

const int Greenled = 12;

const int Redled = 13;

const int Blueled = 11;

int sensorpin = A0;
void setup(){

//Set pins as outputs

pinMode(Greenled, OUTPUT);

pinMode(Redled, OUTPUT);

pinMode(Blueled, OUTPUT);

Serial.begin(9600);

}
void loop(){

digitalWrite(Greenled, HIGH);

for(int i = 0;i<=50;i++){

int lightlevel = analogRead(sensorpin);

lightlevel = map (lightlevel, 0,900,0,255);
lightlevel = constrain (lightlevel, 0, 255);

delay(1);

Serial.print("Green = "); Serial.println(lightlevel);

}

digitalWrite(Greenled, LOW);

delay (2000);

digitalWrite(Redled, HIGH);