#include <Servo.h> // servo library
 
Servo myservo1;  
Servo myservo2; 
 
int val1; 
int val2;         
 
void setup() {
  myservo1.attach(3); 
  myservo2.attach(4); 
}
 
void loop() {
  val1 = analogRead(A0);  
  val1 = map(val1, 0, 1023, 0, 180);     
  myservo1.write(val1);    

  val2 = analogRead(A0);  // Leitura de um pino analógico diferente
  val2 = map(val2, 0, 1023, 180, 0);     
  myservo2.write(val2);              
  delay(20);                           
}