#include <Servo.h>
Servo ud_servo;//define the name of the servo rotating right
and left
int ud_angle = 10;//set the initial angle to 10 degree;keep the
solar panels upright to detect the strongest light
const byte ud_servopin = 10;//define the servo rotating
upwards and downwards and its control pin
void setup() {
ud_servo.attach(ud_servopin); // set the control pin of the
servo
ud_servo.write(ud_angle);
delay(1000);
}
void loop() {}