1) Conspiracy Braodcast

Morse Code blink "OBAMA" via LED
//This is the Morse code from online:   --- -... .- -- .-
//I'll use 100 for a long, 50 for a short
void setup()
{
  pinMode(2, OUTPUT); //Output pin to the LED
}


void loop()
{
//O  long long long
   digitalWrite(2, HIGH);
   delay(100);
   digitalWrite(2,LOW);
   delay(100);

   digitalWrite(2, HIGH);
   delay(100);
   digitalWrite(2,LOW);
   delay(100);

   digitalWrite(2, HIGH);
   delay(100);
   digitalWrite(2,LOW);
   delay(100);

//B long short short short
   digitalWrite(2, HIGH);
   delay(100);
   digitalWrite(2,LOW);
   delay(100);

   digitalWrite(2, HIGH);
   delay(50);
   digitalWrite(2,LOW);
   delay(50);

   digitalWrite(2, HIGH);
   delay(50);
   digitalWrite(2,LOW);
   delay(50);

   digitalWrite(2, HIGH);
   delay(50);
   digitalWrite(2,LOW);
   delay(50);

//A short long
   digitalWrite(2, HIGH);
   delay(50);
   digitalWrite(2,LOW);
   delay(50);

   digitalWrite(2, HIGH);
   delay(100);
   digitalWrite(2,LOW);
   delay(100);


//M long long

   digitalWrite(2, HIGH);
   delay(100);
   digitalWrite(2,LOW);
   delay(100);

   digitalWrite(2, HIGH);
   delay(100);
   digitalWrite(2,LOW);
   delay(100);



//A same as before

   digitalWrite(2, HIGH);
   delay(50);
   digitalWrite(2,LOW);
   delay(50);

   digitalWrite(2, HIGH);
   delay(100);
   digitalWrite(2,LOW);
   delay(100);
}

2) Deadman Switch

int count;

void setup()
{
  count = 0;
  pinMode(5, INPUT); //I plugged the input wire into pin 5
  Serial.begin(9600);
}

void loop()
{
   count = count + 1;

  if(count >= 100){
    Serial.println("Free nuclear power for everyone!");
  }

  if(digitalRead(5) == HIGH){
    count = 0;
  }

}


3) Music Critic

void setup()
{
  pinMode(A1, INPUT);  //Input from the potentiometer
  pinMode(2, OUTPUT); //Output to the piezo
}


void loop()
{

  //Note: the delay times don't really matter as long as they are different.
  if(analogRead(A1) > 800){
     digitalWrite(2, HIGH);
     delay(1000);
     digitalWrite(2, LOW);
     delay(1000);
  } else if(analogRead(A1) > 300){
     digitalWrite(2, HIGH);
     delay(500);
     digitalWrite(2, LOW);
     delay(500);
  } else {
     digitalWrite(2, HIGH);
     delay(100);
     digitalWrite(2, LOW);
     delay(100);
  }


}