#include <Servo.h>

int PhotocellPin = A0;                   // Set photocell and 10K ohm resistor to A0
int PhotocellPin2 = A1;                  // Set photocell and 10K ohm resistor to A1
int PhotocellReading;                    // The analog reading from the analog resistor divider A0
int PhotocellReading2;                   // The analog reading from the analog resistor divider A1
int CenterPos = 90;
int FrontLeftUp = 0;
int MiddleLeftUp = 0;
int RearLeftUp = 0;
int FrontRightForward = 180;
int MiddleRightForward = 180;
int RearRightForward = 180;

Servo FrontServo;                        // Define Front servo
Servo MiddleServo;                       // Define Middle servo
Servo RearServo;                         // Define Rear servo

void moveForward()
   {
                FrontServo.write(FrontRightForward);
                MiddleServo.write(MiddleRightForward);
                RearServo.write(RearRightForward);
                delay(125);

                FrontServo.write(CenterPos);
                MiddleServo.write(CenterPos);
                RearServo.write(CenterPos);
                delay(65);

                FrontServo.write(FrontLeftUp);
                MiddleServo.write(MiddleLeftUp);
                RearServo.write(RearLeftUp);
                delay(125);

                FrontServo.write(CenterPos);
                MiddleServo.write(CenterPos);
                RearServo.write(CenterPos);
                delay(65);
               }

void setup() {
  Serial.begin(9600);                    // We'll send the information via the Serial monitor
  pinMode(13, OUTPUT);                   // Set led and 330 ohm resistor to digital pin 13
  pinMode(12, OUTPUT);                   // Set led2 to digital pin 12

  FrontServo.attach(3);                   // Set left servo to digital pin 3
  MiddleServo.attach(5);                 // Set Middle servo to digital pin 5
  RearServo.attach(11);                 // Set Right servo to digital pin 11
}

void loop()    {                         // Loop through motion tests

   PhotocellReading = analogRead(PhotocellPin);

  Serial.print("Analog reading = ");
  Serial.println(PhotocellReading);      // the pin a0 reading

  // We'll have a few threshholds, qualitatively determined
  if (PhotocellReading < 10) {           // if the reading is less than 10,
    Serial.println(" - Dark");           // print its dark
  } else if (PhotocellReading < 200) {   // if the reading is less than 200,
    Serial.println(" - Dim");            // print its dim
  } else if (PhotocellReading < 500) {   // if the reading is less than 500,
    Serial.println(" - Light");          // print its light
  } else if (PhotocellReading < 800) {   // if the reading is less than 800,
    Serial.println(" - Bright");         // print its bright
  } else {                               // if the reading is greater then 800,
    Serial.println(" - Very bright");    // print its very bright
  }
  delay(100);

     PhotocellReading2 = analogRead(PhotocellPin2);

  Serial.print("Analog reading2 = ");
  Serial.println(PhotocellReading2);     // the pin a1 reading

                                         // We'll have a few threshholds, qualitatively determined
  if (PhotocellReading2 < 10) {          // if the reading2 is less than 10,
    Serial.println(" - Dark");           // print its dark
  } else if (PhotocellReading2 < 200) {  // if the reading2 is less than 200,
    Serial.println(" - Dim");            // print its dim
  } else if (PhotocellReading2 < 500) {  // if the reading2 is less than 500,
    Serial.println(" - Light");          // print its light
  } else if (PhotocellReading2 < 800) {  // if the reading2 is less than 800,
    Serial.println(" - Bright");         // print its bright
  } else {                               // if the reading2 is greater then 800,
    Serial.println(" - Very bright");    // print its very bright
  }
    delay(100);

    digitalWrite(13, HIGH);              // Turn the LED on (HIGH is the voltage level)
    digitalWrite(12, HIGH);              // Turn the LED2 on (HIGH is the voltage level)
    delay(1000);                         // Wait for one second (1000 ms)

    digitalWrite(13, LOW);               // Turn the LED off by making the voltage LOW
    digitalWrite(12, LOW);               // Turn the LED2 off by making the voltage LOW
    delay(500);                          // Wait for half a second (500 ms)

{
    moveForward();
    delay(150);                          //time between each step taken, speed of walk
}

                }