When I try to upload the following code an error message comes up. To test if its the arduino or the code, I tried uploading other code and it worked. I'm not sure why a modified version of the following code worked, but this one didn't. Thank you for you help.
#include <Servo.h>
Servo Motor;
Servo Motor2;
const byte greenLED = 12;
const byte redLED = 13;
const unsigned long greenLEDinterval = 250;
const unsigned long redLEDinterval = 450;
unsigned long greenLEDtimer;
unsigned long redLEDtimer;
int servoPosition = 90;// the current angle of the servo - starting at 90.
int servoSlowInterval = 80; // millisecs between servo moves
int servoFastInterval = 10;
int servoInterval = servoSlowInterval; // initial millisecs between servo moves
int servoDegrees = 1;Â Â Â // amount servo moves at each step
const int servoPin = 9; // the pin number for the servo signal
const int servoPin2 = 10;
const int servoMinDegrees = 20; // the limits to servo movement
const int servoMaxDegrees = 130;//Increase to increase servo ON time
unsigned long previousServoMillis = 0; // the time when the servo was last moved
unsigned long currentMillis = 0;
void setup() {
Serial.begin(9600);
pinMode (greenLED, OUTPUT);
pinMode (redLED, OUTPUT);
greenLEDtimer = millis ();
redLEDtimer = millis ();
Serial.begin(9600);
Serial.println("Starting SeveralThingsAtTheSameTimeRev1.ino");Â // so we know what sketch is running
Motor.write(servoPosition); // sets the initial position
Motor.attach(servoPin);
Motor2.write(servoPosition);
Motor2.attach(servoPin2);
}
void loop () {
currentMillis = millis();
servoSweep();
currentMillis = millis();
servoSweep2();
if ( (millis () - greenLEDtimer) >= greenLEDinterval)
 toggleGreenLED ();
if ( (millis () - redLEDtimer) >= redLEDinterval)
 toggleRedLED ();
}
void servoSweep() {
// this is similar to the servo sweep example except that it uses millis() rather than delay()
// nothing happens unless the interval has expired
// the value of currentMillis was set in loop()
if (currentMillis - previousServoMillis >= servoInterval) {
 // its time for another move
 previousServoMillis += servoInterval;
 servoPosition = servoPosition + servoDegrees; // servoDegrees might be negative
 if (servoPosition <= servoMinDegrees) {
  // when the servo gets to its minimum position change the interval to change the speed
  if (servoInterval == servoSlowInterval) {
   servoInterval = servoFastInterval;
  }
  else {
   servoInterval = servoSlowInterval;
  }
 }
}
if ((servoPosition >= servoMaxDegrees) || (servoPosition <= servoMinDegrees))Â {
 Motor.detach();
}
// make the servo move to the next position
Motor.write(servoPosition);
// and record the time when the move happened
}
void servoSweep2() {
// this is similar to the servo sweep example except that it uses millis() rather than delay()
// nothing happens unless the interval has expired
// the value of currentMillis was set in loop()
if (currentMillis - previousServoMillis >= servoInterval) {
 // its time for another move
 previousServoMillis += servoInterval;
 servoPosition = servoPosition + servoDegrees; // servoDegrees might be negative
 if (servoPosition <= servoMinDegrees) {
  // when the servo gets to its minimum position change the interval to change the speed
  if (servoInterval == servoSlowInterval) {
   servoInterval = servoFastInterval;
  }
  else {
   servoInterval = servoSlowInterval;
  }
 }
 if ((servoPosition >= servoMaxDegrees) || (servoPosition <= servoMinDegrees)) {
  Motor2.detach();
 }
 // make the servo move to the next position
 Motor2.write(servoPosition);
 // and record the time when the move happened
}
}
void toggleGreenLED ()
{
if (digitalRead (greenLED) == LOW)
 digitalWrite (greenLED, HIGH);
else
 digitalWrite (greenLED, LOW);
greenLEDtimer = millis ();
}
void toggleRedLED ()
{
if (digitalRead (redLED) == LOW)
 digitalWrite (redLED, HIGH);
else
 digitalWrite (redLED, LOW);
redLEDtimer = millis ();
}