int mr1 = 8;
int mr2 = 9;
int ml1 = 10;
int ml2 = 11;
void setup() {
// put your setup code here, to run once:
pinMode(mr1,OUTPUT);
pinMode(mr2,OUTPUT);
pinMode(ml1,OUTPUT);
pinMode(ml2,OUTPUT);
Serial.begin(9600);// default communication rate of arduino
}
void loop() {
// put your main code here, to run repeatedly:
digitalWrite(mr1,HIGH);
digitalWrite(mr2,LOW);
digitalWrite(ml1,HIGH);
digitalWrite(ml2,LOW);
}