Tasks 26 and 27

Task 26:

int photocellPin = 0;     // the cell and 10K pulldown are connected to a0
int photocellReading;     // the analog reading from the analog resistor divider

void setup(void) {
  // We'll send debugging information via the Serial monitor
  Serial.begin(9600);  
}

void loop(void) {
  photocellReading = analogRead(photocellPin); 
 
  Serial.print("Analog reading = ");
  Serial.print(photocellReading);     // the raw analog reading
 
  // We'll have a few threshholds, qualitatively determined
  if (photocellReading < 10) {
    Serial.println(" - Dark");
  } else if (photocellReading < 200) {
    Serial.println(" - Dim");
  } else if (photocellReading < 500) {
    Serial.println(" - Light");
  } else if (photocellReading < 800) {
    Serial.println(" - Bright");
  } else {
    Serial.println(" - Very bright");
  }
  delay(1000);
}


Task 27:

int photocellPin = 0;     // the cell and 10K pulldown are connected to a0
int photocellReading;     // the analog reading from the analog resistor divider
int ledPin13 = 13;
int ledPin12 = 12;
int ledPin11 = 11;
int ledPin10 = 10;
int counter;

void setup(void) {
  // We'll send debugging information via the Serial monitor
  Serial.begin(9600);
  pinMode(ledPin13, OUTPUT);
  pinMode(ledPin12, OUTPUT);
  pinMode(ledPin11, OUTPUT); 
  pinMode(ledPin10, OUTPUT);
}

void loop(void) {
  photocellReading = analogRead(photocellPin); 
 
  Serial.print("Analog reading = ");
  Serial.print(photocellReading);     // the raw analog reading
 
  // We'll have a few threshholds, qualitatively determined
  if (photocellReading < 10) {
    Serial.println(" - Dark");
  } else if (photocellReading < 200) {
    //Serial.println(" - Dim");
    digitalWrite(ledPin13, HIGH);
    //delay(1000);
    digitalWrite(ledPin12, LOW);
    digitalWrite(ledPin11, LOW);
   for(counter = 1; counter < 50; counter++) {
    digitalWrite(ledPin13, HIGH);
    digitalWrite(ledPin10, HIGH);
    digitalWrite(ledPin13, LOW);
    digitalWrite(ledPin13, LOW);}
  } else if (photocellReading < 500) {
    //Serial.println(" - Light");
    digitalWrite(ledPin12, HIGH);
    //delay(1000);
    digitalWrite(ledPin11, LOW);
    digitalWrite(ledPin13, LOW);
  } else if (photocellReading < 800) {
    //Serial.println(" - Bright");
    digitalWrite(ledPin11, HIGH);
    //delay(1000);
    digitalWrite(ledPin12, LOW);
    digitalWrite(ledPin13, LOW);
  } else {
    //Serial.println(" - Very bright");
  }
  delay(0);
}