#include <ESP32Servo.h>

Servo myservo;
int servoPin = 26;

void setup() {
  Serial.begin(115200);
  myservo.attach(servoPin);
  Serial.println("Servo test starting");
}

void loop() {
  myservo.write(0);
  delay(1000);
  myservo.write(90);
  delay(1000);
  myservo.write(180);
  delay(1000);
}