#include <ESP32Servo.h>

#define freq 2000
#define channel 0
#define resolution 7
#define led  12
#define servoPin  14

Servo servo;
int pos = 0;
void setup() {
  ledcSetup(channel,freq,resolution);
  ledcAttachPin(led,channel);
  servo.attach(servoPin, 500, 2400);
}

void loop() {
  for(int i=0;i<180;i+=1)
  {
    servo.write(i);
    ledcWrite(channel,i);
    delay(15);
  }
  
  for(int i=180;i>=0;i-=1)
  {
    servo.write(i);
    ledcWrite(channel,i);
    delay(15);
  }
}