Face your fear _ Arduino code

gistfile1.txt

char val; // Data received from the serial port
int ledPin = 13; // Set the pin to digital I/O 13

#include <Servo.h>
Servo servo1;

void setup() {
  pinMode(ledPin, OUTPUT); // Set pin as OUTPUT
  Serial.begin(9600); // Start serial communication at 9600 bps
  servo1.attach(10);
}

void loop() {
  if (Serial.available())
  { // If data is available to read,
    int n1 = Serial.read();
    int n = n1 * 4;
    n = map(n, 0, 360, 600, 830);

    // auto select appropriate value, copied from someone elses code.
    //if(n1 >= 500)
    {
      //Serial.print("writing Microseconds: ");
      Serial.print("angle: ");
      Serial.println(n);
      servo1.writeMicroseconds(n);
    }
    delay(10); // Wait 10 milliseconds for next reading
  }
}