Catertainer: Behind the Scenes

The circuit inside the Catertainer has been miniaturized. Check it out!

It doesn't get much more compact than that. There's a switch to turn the bad boy on, and a button the side of the container to trigger the sound clips for exhibition purposes. Next step... fur!

Read below for the final code

// Catertainer!
// M Bethancourt
// 2008

#define NUMREADINGS 25

int readings[NUMREADINGS];                // the readings from the analog input
int index = 0;                            // the index of the current reading
int total = 0;                            // the running total
int average = 0;                          // the average

int forwardPin = 3;                       // Assign our pins
int recordPin = 0;
int playPin = 6;
int rangeFinder = 0;
int vPin = 10;                             // vibrating motor

int OFF = 255;
int ON = 0;

boolean catNear = false;
int counter = 0;

int closeValue = 0;                       // variable to hold cat distance

   

void setup()
{
  // Turn all windbond pins off
  analogWrite(forwardPin, OFF);
  analogWrite(playPin, OFF);

  Serial.begin(115200);                       //  setup serial
  for (int i = 0; i < NUMREADINGS; i++)
    readings[i] = 0;                        // initialize all the readings to 0

}

void loop() {
  Serial.println(counter);      // how much time has elapsed since I was played with?

  catNear = readIR();

  if (catNear != true){            // if there is no cat around
      if (counter >= 20000){       // and I have been left alone for a while
          taunt();               // I taunt!
          Serial.println("Taunt!");
          counter = 0;             // reset the counter
      }
      counter++;
  } else {                         // Else, I was recently played with
      counter = 0;                 // so let's reset the counter
  }

}

boolean readIR() {
    total -= readings[index];               // subtract the last reading
    readings[index] = analogRead(rangeFinder); // read from the sensor
    total += readings[index];               // add the reading to the total
    index = (index + 1);                    // advance to the next index
    boolean playedWith = false;

    if (index >= NUMREADINGS)               // if we're at the end of the array...
      index = 0;                            // ...wrap around to the beginning

    average = total / NUMREADINGS;          // calculate the average
    // Serial.println(average);                // send it to the computer (as ASCII digits)
    closeValue = average;

    if(closeValue > 150){
      gettinScared();
      catNear = true;
    } else {
      catNear = false;
    }
    return catNear;
}

void stop() {
    analogWrite(forwardPin, OFF);
    analogWrite(recordPin, OFF); 
    analogWrite(playPin, OFF);
    analogWrite(vPin, 0);
}

void taunt() {
    digitalWrite(playPin, ON);
    delay(50);
    analogWrite(vPin, 255);
    delay(5);
    digitalWrite(playPin, OFF);
    analogWrite(vPin, 0);

   

    // Get the next taunt ready
    long taunt = random(1, 10);                    // choose a random taunt
    long i = 0;
    do {
      Serial.println(i);
      digitalWrite(forwardPin, ON);
      digitalWrite(playPin, OFF);
      delay(50);
      digitalWrite(forwardPin, OFF);
      i++;
    } while (i < taunt);
}

void gettinScared() {
    digitalWrite(vPin, HIGH);
    digitalWrite(forwardPin, HIGH);
    digitalWrite(recordPin, HIGH); 
    delay(5);
    analogWrite(vPin, 0);
}

void next() {
    digitalWrite(playPin, HIGH);
    digitalWrite(forwardPin, 0);
    digitalWrite(recordPin, HIGH);
    delay(50); 
    digitalWrite(playPin, 0);
    digitalWrite(forwardPin, HIGH);
    delay(500);
    digitalWrite(playPin, HIGH);
    delay(3000);
    digitalWrite(forwardPin, 0);
}