const int in1 = 9;
const int in2 = 8;
const int in3 = 4;
const int in4 = 3;
void setup() {
pinMode (in1, OUTPUT);
pinMode (in2, OUTPUT);
pinMode (in3, OUTPUT);
pinMode (in4, OUTPUT);
}
void loop() {
//Move Farword
digitalWrite(in1, HIGH);
digitalWrite(in2, LOW);
digitalWrite(in3, HIGH);
digitalWrite(in4, LOW);
delay(2000);
//Move Reverse
digitalWrite(in1, LOW);
digitalWrite(in2, HIGH);
digitalWrite(in3, LOW);
digitalWrite(in4, HIGH);
delay(2000);
//Move Left
digitalWrite(in1, HIGH);
digitalWrite(in2, LOW);
digitalWrite(in3, LOW);
digitalWrite(in4, HIGH);
delay(2000);
//Move Right
digitalWrite(in1, LOW);
digitalWrite(in2, HIGH);
digitalWrite(in3, HIGH);
digitalWrite(in4, LOW);
delay(2000);
}