Arduino Servo Test Code

servotest.ino

#include <Servo.h>
Servo tilt, roll;
int pos=0;

void setup() {
    Serial.begin(9600);
    tilt.attach(3);
    roll.attach(5);
    pinMode(9, OUTPUT);
    pinMode(10, OUTPUT);
}

void loop() {
    analogWrite(9, 255);
    analogWrite(10, 255);
    
    for(pos = 30; pos &lt; 150; pos += 1)
    {
        tilt.write(pos);
        Serial.println(pos);
        delay(15);
    }
    for(pos = 150; pos&gt;=30; pos-=1)
    {
        tilt.write(pos);
        Serial.println(pos);
        delay(15);
    }
    
    tilt.write(30);
    
    for(pos = 45; pos &lt; 75; pos += 1)
    {
        roll.write(pos);
        Serial.println(pos);
        delay(15);
    }
    for(pos = 75; pos&gt;=45; pos-=1)
    {
        roll.write(pos);
        Serial.println(pos);
        delay(15);
    }
    for(pos = 45; pos &lt; 60; pos += 1)
    {
        roll.write(pos);
        Serial.println(pos);
        delay(15);
    }   
    roll.write(60);
}