tinkercad servo 1

#include <Servo.h>

Servo myservo;

int value;

double angle;

void setup() 

{

  Serial.begin(9600);

  myservo.attach(9);

}

void loop() 

{

  value = analogRead(A0);

  angle = map(value, 0, 1023, 0, 180); 

  Serial.println(angle);

  myservo.write(angle);                 

  delay(15);                           

}

reference:

https://circuitdigest.com/article/servo-motor-working-and-basics

https://www.arduino.cc/reference/en/libraries/servo/attach/