Servo and Serial

zoomkat:
The below code works on my computer to control servos via the serial port.

// zoomkat 10-22-11 serial servo test

// type servo position 0 to 180 in serial monitor
// or for writeMicroseconds, use a value like 1500
// for IDE 0022 and later
// Powering a servo from the arduino usually DOES NOT WORK.

String readString;
#include <Servo.h>
Servo myservo;  // create servo object to control a servo

void setup() {
 Serial.begin(9600);
 myservo.writeMicroseconds(1500); //set initial servo position if desired
 myservo.attach(7);  //the pin for the servo control
 Serial.println("servo-test-22-dual-input"); // so I can keep track of what is loaded
}

void loop() {
 while (Serial.available()) {
   char c = Serial.read();  //gets one byte from serial buffer
   readString += c; //makes the string readString
   delay(2);  //slow looping to allow buffer to fill with next character
 }

if (readString.length() >0) {
   Serial.println(readString);  //so you can see the captured string
   int n = readString.toInt();  //convert readString into a number

// auto select appropriate value, copied from someone elses code.
   if(n >= 500)
   {
     Serial.print("writing Microseconds: ");
     Serial.println(n);
     myservo.writeMicroseconds(n);
   }
   else
   {  
     Serial.print("writing Angle: ");
     Serial.println(n);
     myservo.write(n);
   }

readString=""; //empty for next input
 }
}

Was extremely helpful thx