void left (){
analogWrite(ENA, carSpeed);
analogWrite(ENB, carSpeed);
digitalWrite(IN1,LOW);
digitalWrite(IN2,HIGH);
digitalWrite(IN3,LOW);
digitalWrite(IN4,HIGH);
Serial.println(:"go left!")
}
void right (){
analogWrite(ENA, carSpeed);
analogWrite(ENB, carSpeed);
digitalWrite(IN1,LOW);
digitalWrite(IN2,HIGH);
digitalWrite(IN3,LOW);
digitalWrite(IN4,HIGH);
Serial.println(:"go right!")
}