int M1 = 5;

//M1 Direction Control

int M2 = 6;

//M1 Direction Control

///For previous Romeo, please use these pins.

//int E1 = 6;

//M1 Speed Control

//int E2 = 9;

//M2 Speed Control

//int M1 = 7;

//M1 Direction Control

//int M2 = 8;

//M1 Direction Control

//When m1p/m2p is 127, it stops the motor

//when m1p/m2p is 255, it gives the maximum speed for one direction

//When m1p/m2p is 0, it gives the maximum speed for reverse direction

void DriveMotorP(byte m1p, byte m2p)//Drive Motor Power Mode

{

digitalWrite(E1, HIGH);

analogWrite(M1, (m1p));

digitalWrite(E2, HIGH);

analogWrite(M2, (m2p));

}

void setup(void)

{

int i;

for(i=6;i<=9;i++)

pinMode(i, OUTPUT);

Serial.begin(19200);

//Set Baud Rate

}

void loop(void)

{

if(Serial.available()){