Servo I/O HW (number 9)

 #include <Servo.h>
 Servo myservo;
 int led = 10;
 int servo = 9;
 int input = 0;
 int correct_input = 0;
 int abc = 0;
void setup() {
  // put your setup code here, to run once:
 Serial.begin(9600);
 myservo.attach(servo);
 pinMode(led, OUTPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
 input = Serial.parseInt(); // set the variable input equal to read value
 if (input<180){ // if the input is valid set the servo to read value
  myservo.write(input);
  Serial.println(input);
  digitalWrite(led, LOW);
  }

 else{ //if input is invalid set the servo to 0 and print error, also turn on led
  myservo.write(0);
  Serial.println("ERROR");
  digitalWrite(led, HIGH);
  delay(500);
 }

}


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