servo motor sample #3

#include <Servo.h>

Servo u_srv;
Servo l_srv;

void setup()
{
  u_srv.attach(10);
  l_srv.attach(12);
}

void loop()
{
  int pos;
    for (pos = 10; pos <= 90; pos += 1)
    {
        u_srv.write(pos);
        l_srv.write(pos);
        delay(15); 
    }
 
    for(pos = 90; pos >=1; pos-=1)
    {
        u_srv.write(pos);
        l_srv.write(pos);
        delay(15);
    }
}