Cutey the Arduino Robot.

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Introduction: Cutey the Arduino Robot.

These are cuteys electronics, there is a arduino mega, HC-SR04 sensor, two modified robot servos with wheels, arduino sensor shield, and wires.
Cutey is a autonomous robot with a twist, HE WANTS FRIENDS!
He will spin around until you put your hand in front of him then he will follow you, so don't put him in front of a wall.        

Step 1:

The servos are connected together with a LEGO piece and hot glue, for easy mounting.  

Step 2:

Right servo cable to the sensor shield digital 11, left servo cable to the sensor shield digital 10.

Step 3:

Make the wheels by hot gluing together the servo hub to the wheels.

Step 4:

HC-SR04 Trig pin to pin 52 on arduino mega and echo to 50.

Step 5:

here is the code.




#include <Servo.h>

Servo myservo;
Servo myservo2;
const int pingPin = 50;
const int pingPin2 = 52;
void setup() {
  Serial.begin(9600);
      myservo.attach(10);
      myservo2.attach(11);
}

void loop()
{
  long duration, inches, cm;
 
  pinMode(pingPin2, OUTPUT);
  digitalWrite(pingPin2, LOW);
  delayMicroseconds(2);
  digitalWrite(pingPin2, HIGH);
  delayMicroseconds(5);
  digitalWrite(pingPin2, LOW);


  pinMode(pingPin, INPUT);
  duration = pulseIn(pingPin, HIGH);


  inches = microsecondsToInches(duration);
  cm = microsecondsToCentimeters(duration);
 
 
  if(inches < 5){
   myservo.writeMicroseconds(2000); 
  myservo2.writeMicroseconds(2000); 
   }
  if(inches > 5){
      myservo.writeMicroseconds(1000); 
  myservo2.writeMicroseconds(1000);  
   }
 
  Serial.print(inches);
  Serial.print("in, ");
  Serial.print(cm);
  Serial.print("cm");
  Serial.println();
 
  delay(100);
}

long microsecondsToInches(long microseconds)
{
  return microseconds / 74 / 2;
}

long microsecondsToCentimeters(long microseconds)
{
  return microseconds / 29 / 2;
}

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