int ledPin1 = 1;
int ledPin2 = 2;
int ledPin3 = 3;
int ledPin4 = 4;
int ledPin5 = 5;
int ledPin6 = 6;
int ledPin7 = 7;
int ledPin8 = 8;
int ledPin9 = 9;

int duration = 1000;

int buttonApin = 10;
int buttonBpin = 11;

//byte leds = 0;

void setup()
{
pinMode(ledPin1, OUTPUT);
pinMode(ledPin2, OUTPUT);
pinMode(ledPin3, OUTPUT);
pinMode(ledPin4, OUTPUT);
pinMode(ledPin5, OUTPUT);
pinMode(ledPin6, OUTPUT);
pinMode(ledPin7, OUTPUT);
pinMode(ledPin8, OUTPUT);
pinMode(ledPin9, OUTPUT);
Serial.begin(9600);

pinMode(buttonApin, INPUT_PULLUP);
pinMode(buttonBpin, INPUT_PULLUP);
}

void A()
{
digitalWrite(ledPin1, LOW);
digitalWrite(ledPin2, HIGH);
digitalWrite(ledPin3, HIGH);
digitalWrite(ledPin4, HIGH);
digitalWrite(ledPin5, HIGH);
digitalWrite(ledPin6, LOW);
digitalWrite(ledPin7, LOW);
digitalWrite(ledPin8, HIGH);
digitalWrite(ledPin9, HIGH);
}

void B()
{
digitalWrite(ledPin1, HIGH);
digitalWrite(ledPin2, HIGH);
digitalWrite(ledPin3, HIGH);
digitalWrite(ledPin4, LOW);
digitalWrite(ledPin5, HIGH);
digitalWrite(ledPin6, HIGH);
digitalWrite(ledPin7, LOW);
digitalWrite(ledPin8, LOW);
digitalWrite(ledPin9, LOW);
}

void C()
{
digitalWrite(ledPin1, HIGH);
digitalWrite(ledPin2, HIGH);
digitalWrite(ledPin3, HIGH);
digitalWrite(ledPin4, HIGH);
digitalWrite(ledPin5, LOW);
digitalWrite(ledPin6, HIGH);
digitalWrite(ledPin7, HIGH);
digitalWrite(ledPin8, LOW);
digitalWrite(ledPin9, HIGH);
}
void D()
{
digitalWrite(ledPin1, HIGH);
digitalWrite(ledPin2, HIGH);
digitalWrite(ledPin3, HIGH);
digitalWrite(ledPin4, HIGH);
digitalWrite(ledPin5, LOW);
digitalWrite(ledPin6, HIGH);
digitalWrite(ledPin7, LOW);
digitalWrite(ledPin8, HIGH);
digitalWrite(ledPin9, LOW);
}
void E()
{
digitalWrite(ledPin1, HIGH);
digitalWrite(ledPin2, HIGH);
digitalWrite(ledPin3, HIGH);
digitalWrite(ledPin4, HIGH);
digitalWrite(ledPin5, HIGH);
digitalWrite(ledPin6, HIGH);
digitalWrite(ledPin7, HIGH);
digitalWrite(ledPin8, LOW);
digitalWrite(ledPin9, HIGH);
}

void G()
{
digitalWrite(ledPin1, HIGH);
digitalWrite(ledPin2, HIGH);
digitalWrite(ledPin3, HIGH);
digitalWrite(ledPin4, HIGH);
digitalWrite(ledPin5, LOW);
digitalWrite(ledPin6, HIGH);
digitalWrite(ledPin7, LOW);
digitalWrite(ledPin8, HIGH);
digitalWrite(ledPin9, HIGH);
}

void H()
{
digitalWrite(ledPin1, HIGH);
digitalWrite(ledPin2, HIGH);
digitalWrite(ledPin3, HIGH);
digitalWrite(ledPin4, LOW);
digitalWrite(ledPin5, HIGH);
digitalWrite(ledPin6, LOW);
digitalWrite(ledPin7, HIGH);
digitalWrite(ledPin8, HIGH);
digitalWrite(ledPin9, HIGH);
}

void I()
{ digitalWrite(ledPin1, HIGH);
digitalWrite(ledPin2, LOW);
digitalWrite(ledPin3, HIGH);
digitalWrite(ledPin4, HIGH);
digitalWrite(ledPin5, HIGH);
digitalWrite(ledPin6, HIGH);
digitalWrite(ledPin7, HIGH);
digitalWrite(ledPin8, LOW);
digitalWrite(ledPin9, HIGH);
}

void J()
{
digitalWrite(ledPin1, LOW);
digitalWrite(ledPin2, HIGH);
digitalWrite(ledPin3, HIGH);
digitalWrite(ledPin4, LOW);
digitalWrite(ledPin5, LOW);
digitalWrite(ledPin6, LOW);
digitalWrite(ledPin7, HIGH);
digitalWrite(ledPin8, HIGH);
digitalWrite(ledPin9, HIGH);
}

void K()
{
digitalWrite(ledPin1, HIGH);
digitalWrite(ledPin2, HIGH);
digitalWrite(ledPin3, HIGH);
digitalWrite(ledPin4, LOW);
digitalWrite(ledPin5, HIGH);
digitalWrite(ledPin6, LOW);
digitalWrite(ledPin7, HIGH);
digitalWrite(ledPin8, LOW);
digitalWrite(ledPin9, HIGH);
}

void L()
{
digitalWrite(ledPin1, HIGH);
digitalWrite(ledPin2, HIGH);
digitalWrite(ledPin3, HIGH);
digitalWrite(ledPin4, LOW);
digitalWrite(ledPin5, LOW);
digitalWrite(ledPin6, HIGH);
digitalWrite(ledPin7, LOW);
digitalWrite(ledPin8, LOW);
digitalWrite(ledPin9, HIGH);
}

void M()
{ digitalWrite(ledPin1, HIGH);
digitalWrite(ledPin2, HIGH);
digitalWrite(ledPin3, HIGH);
digitalWrite(ledPin4, HIGH);
digitalWrite(ledPin5, HIGH);
digitalWrite(ledPin6, LOW);
digitalWrite(ledPin7, HIGH);
digitalWrite(ledPin8, HIGH);
digitalWrite(ledPin9, HIGH);
}

void N()
{ digitalWrite(ledPin1, HIGH);
digitalWrite(ledPin2, HIGH);
digitalWrite(ledPin3, HIGH);
digitalWrite(ledPin4, HIGH);
digitalWrite(ledPin5, LOW);
digitalWrite(ledPin6, LOW);
digitalWrite(ledPin7, LOW);
digitalWrite(ledPin8, HIGH);
digitalWrite(ledPin9, HIGH);
}

void O()
{
digitalWrite(ledPin1, HIGH);
digitalWrite(ledPin2, HIGH);
digitalWrite(ledPin3, HIGH);
digitalWrite(ledPin4, HIGH);
digitalWrite(ledPin5, LOW);
digitalWrite(ledPin6, HIGH);
digitalWrite(ledPin7, HIGH);
digitalWrite(ledPin8, HIGH);
digitalWrite(ledPin9, HIGH);
}

void P()
{
digitalWrite(ledPin1, HIGH);
digitalWrite(ledPin2, HIGH);
digitalWrite(ledPin3, HIGH);
digitalWrite(ledPin4, HIGH);
digitalWrite(ledPin5, HIGH);
digitalWrite(ledPin6, LOW);
digitalWrite(ledPin7, LOW);
digitalWrite(ledPin8, LOW);
digitalWrite(ledPin9, LOW);
}

void Q()
{
digitalWrite(ledPin1, LOW);
digitalWrite(ledPin2, LOW);
digitalWrite(ledPin3, LOW);
digitalWrite(ledPin4, HIGH);
digitalWrite(ledPin5, HIGH);
digitalWrite(ledPin6, LOW);
digitalWrite(ledPin7, HIGH);
digitalWrite(ledPin8, HIGH);
digitalWrite(ledPin9, HIGH);
}

void R()
{
digitalWrite(ledPin1, HIGH);
digitalWrite(ledPin2, HIGH);
digitalWrite(ledPin3, HIGH);
digitalWrite(ledPin4, HIGH);
digitalWrite(ledPin5, HIGH);
digitalWrite(ledPin6, LOW);
digitalWrite(ledPin7, HIGH);
digitalWrite(ledPin8, LOW);
digitalWrite(ledPin9, HIGH);
}

void S()
{
digitalWrite(ledPin1, LOW);
digitalWrite(ledPin2, LOW);
digitalWrite(ledPin3, HIGH);
digitalWrite(ledPin4, HIGH);
digitalWrite(ledPin5, HIGH);
digitalWrite(ledPin6, HIGH);
digitalWrite(ledPin7, HIGH);
digitalWrite(ledPin8, LOW);
digitalWrite(ledPin9, LOW);
}

void T()
{ digitalWrite(ledPin1, HIGH);
digitalWrite(ledPin2, LOW);
digitalWrite(ledPin3, LOW);
digitalWrite(ledPin4, HIGH);
digitalWrite(ledPin5, HIGH);
digitalWrite(ledPin6, HIGH);
digitalWrite(ledPin7, HIGH);
digitalWrite(ledPin8, LOW);
digitalWrite(ledPin9, LOW);
}

void U()
{
digitalWrite(ledPin1, HIGH);
digitalWrite(ledPin2, HIGH);
digitalWrite(ledPin3, HIGH);
digitalWrite(ledPin4, LOW);
digitalWrite(ledPin5, LOW);
digitalWrite(ledPin6, HIGH);
digitalWrite(ledPin7, HIGH);
digitalWrite(ledPin8, HIGH);
digitalWrite(ledPin9, HIGH);
}

void V()
{
digitalWrite(ledPin1, HIGH);
digitalWrite(ledPin2, HIGH);
digitalWrite(ledPin3, LOW);
digitalWrite(ledPin4, LOW);
digitalWrite(ledPin5, LOW);
digitalWrite(ledPin6, HIGH);
digitalWrite(ledPin7, HIGH);
digitalWrite(ledPin8, HIGH);
digitalWrite(ledPin9, LOW);
}

void W()
{
digitalWrite(ledPin1, HIGH);
digitalWrite(ledPin2, HIGH);
digitalWrite(ledPin3, HIGH);
digitalWrite(ledPin4, LOW);
digitalWrite(ledPin5, HIGH);
digitalWrite(ledPin6, LOW);
digitalWrite(ledPin7, HIGH);
digitalWrite(ledPin8, HIGH);
digitalWrite(ledPin9, HIGH);
}

void X()
{
digitalWrite(ledPin1, HIGH);
digitalWrite(ledPin2, LOW);
digitalWrite(ledPin3, HIGH);
digitalWrite(ledPin4, LOW);
digitalWrite(ledPin5, HIGH);
digitalWrite(ledPin6, LOW);
digitalWrite(ledPin7, HIGH);
digitalWrite(ledPin8, LOW);
digitalWrite(ledPin9, HIGH);
}

void Y()
{
digitalWrite(ledPin1, HIGH);
digitalWrite(ledPin2, LOW);
digitalWrite(ledPin3, LOW);
digitalWrite(ledPin4, LOW);
digitalWrite(ledPin5, HIGH);
digitalWrite(ledPin6, HIGH);
digitalWrite(ledPin7, HIGH);
digitalWrite(ledPin8, LOW);
digitalWrite(ledPin9, LOW);
}

void Z()
{
digitalWrite(ledPin1, HIGH);
digitalWrite(ledPin2, HIGH);
digitalWrite(ledPin3, HIGH);
digitalWrite(ledPin4, HIGH);
digitalWrite(ledPin5, HIGH);
digitalWrite(ledPin6, HIGH);
digitalWrite(ledPin7, HIGH);
digitalWrite(ledPin8, HIGH);
digitalWrite(ledPin9, HIGH);
}

void ON()
{
digitalWrite(ledPin1, HIGH);
digitalWrite(ledPin2, HIGH);
digitalWrite(ledPin3, HIGH);
digitalWrite(ledPin4, HIGH);
digitalWrite(ledPin5, HIGH);
digitalWrite(ledPin6, HIGH);
digitalWrite(ledPin7, HIGH);
digitalWrite(ledPin8, HIGH);
digitalWrite(ledPin9, HIGH);
}

void OFF()
{digitalWrite(ledPin1, LOW);
digitalWrite(ledPin2, LOW);
digitalWrite(ledPin3, LOW);
digitalWrite(ledPin4, LOW);
digitalWrite(ledPin5, LOW);
digitalWrite(ledPin6, LOW);
digitalWrite(ledPin7, LOW);
digitalWrite(ledPin8, LOW);
digitalWrite(ledPin9, LOW);
}


void loop()
{

if (Serial.available() > 0)
{
char letter = Serial.read();

switch (letter)
{
case 'A': Serial.print("Letter Input = ");
Serial.println(letter);
A();
delay(duration);
break;

case 'B': Serial.print("Letter Input = ");
Serial.println(letter);
B();
delay(duration);
break;

case 'C': Serial.print("Letter Input = ");
Serial.println(letter);
C();
delay(duration);
break;

case 'D': Serial.print("Letter Input = ");
Serial.println(letter);
D();
delay(duration);
break;

case 'E': Serial.print("Letter Input = ");
Serial.println(letter);
E();
delay(duration);
break;


case 'G': Serial.print("Letter Input = ");
Serial.println(letter);
G();
delay(duration);
break;

case 'H': Serial.print("Letter Input = ");
Serial.println(letter);
H();
delay(duration);
break;

case 'I': Serial.print("Letter Input = ");
Serial.println(letter);
I();
delay(duration);
break;

case 'J': Serial.print("Letter Input = ");
Serial.println(letter);
J();
delay(duration);
break;

case 'K': Serial.print("Letter Input = ");
Serial.println(letter);
K();
delay(duration);
break;

case 'L': Serial.print("Letter Input = ");
Serial.println(letter);
L();
delay(duration);
break;

case 'M': Serial.print("Letter Input = ");
Serial.println(letter);
M();
delay(duration);
break;

case 'N': Serial.print("Letter Input = ");
Serial.println(letter);
N();
delay(duration);
break;

case 'O': Serial.print("Letter Input = ");
Serial.println(letter);
O();
delay(duration);
break;

case 'P': Serial.print("Letter Input = ");
Serial.println(letter);
P();
delay(duration);
break;

case 'Q': Serial.print("Letter Input = ");
Serial.println(letter);
Q();
delay(duration);
break;

case 'R': Serial.print("Letter Input = ");
Serial.println(letter);
R();
delay(duration);
break;

case 'S': Serial.print("Letter Input = ");
Serial.println(letter);
S();
delay(duration);
break;

case 'T': Serial.print("Letter Input = ");
Serial.println(letter);
T();
delay(duration);
break;

case 'U': Serial.print("Letter Input = ");
Serial.println(letter);
U();
delay(duration);
break;

case 'V': Serial.print("Letter Input = ");
Serial.println(letter);
V();
delay(duration);
break;

case 'W': Serial.print("Letter Input = ");
Serial.println(letter);
W();
delay(duration);
break;

case 'X': Serial.print("Letter Input = ");
Serial.println(letter);
X();
delay(duration);
break;

case 'Y': Serial.print("Letter Input = ");
Serial.println(letter);
Y();
delay(duration);
break;

case 'Z': Serial.print("Letter Input = ");
Serial.println(letter);
Z();
delay(duration);
break;

}

}
}