#include <Servo.h>
Servo myservo;
int pos = 0;
void setup() {
myservo.attach(9); //Servo Pin D9
pinMode(8, OUTPUT); //LED-A Pin D8
pinMode(10, OUTPUT); //LED-B Pin D10
myservo.write(90); //Initial Servo Horn Position 90°
delay(4000); //Initial Delay 4000mS (optional)
}
void loop() {
for (pos = 0; pos <= 180; pos += 1) {
myservo.write(pos);
delay(20);
}
digitalWrite(8, HIGH);
delay(20);
digitalWrite(10, LOW);
for (pos = 180; pos >= 0; pos -= 1) {
myservo.write(pos);
delay(20);
}
digitalWrite(10, HIGH);
delay(20);
digitalWrite(8, LOW);
}