int motor1pin1 = 2;
int motor1pin2 = 3;
int motor2pin1 = 4;
int motor2pin2 = 5;
void setup() {
// put your setup code here, to run once:
pinMode (motor1pin1, OUTPUT);
pinMode (motor1pin2, OUTPUT);
pinMode (motor2pin1, OUTPUT);
pinMode (motor2pin2, OUTPUT);
}
void loop() {
digitalWrite(motor1pin1, HIGH);
digitalWrite(motor1pin2, LOW);
digitalWrite(motor2pin1, HIGH);
digitalWrite(motor2pin2, LOW);
delay(3000);
digitalWrite(motor1pin1, LOW);
digitalWrite(motor1pin2, HIGH);
digitalWrite(motor2pin1, LOW);
digitalWrite(motor2pin2, HIGH);
delay(3000);
}