int button = 25;
int button1 = 26;
#include <ESP32Servo.h>
Servo servo;
int pos = 0;
void setup() {
  servo.attach(9);
  pinMode(button, INPUT_PULLUP);
  pinMode(button1, INPUT_PULLUP);
}

void loop() {
  if (digitalRead(button) == LOW) {
    pos++;
    delay(5);
    servo.write(pos);
  }
  if (digitalRead(button1) == LOW) {
    pos--;
    delay(5);
    servo.write(pos);
  }
}