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include <Servo.h>
int pos = 0;
int val_Adc = 0;
float volt = 0;
Servo servo_9;
void setup()
{
servo_9.attach(9);
Serial.begin(9600);
}
void loop()
{
int val_Adc = analogRead(A0);
volt=(val_Adc/1024.0)*5.0;
int pos = (volt/5)*180;
Serial.print(' ');
Serial.println(pos);
servo_9.write(pos);
delay(15);
}