Control multiple servos with ESP32

esp32_sweep_multiple_servos.ino

#include "Arduino.h"
#include <Servo.h>

#define NUMBER_OF_SERVOS_ATTACHED 2
int servoIoPins[NUMBER_OF_SERVOS_ATTACHED] = {12,22};
Servo serialServos[NUMBER_OF_SERVOS_ATTACHED];

void setup()
{
  Serial.begin(115200);
  Serial.println("Sweep Servo");
  for(int i=0;i<NUMBER_OF_SERVOS_ATTACHED;i++){ 
       if(!serialServos[i].attach(servoIoPins[i])){
        Serial.print("Attach error ");
        Serial.println(servoIoPins[i]);
       } 
  }
}

void setServoAngle(Servo serialServo,int angle){
  serialServo.write(angle);
}

void sweep(){
  for (int angle = 0; angle <= 180; angle++) { 
      for(int i=0;i<NUMBER_OF_SERVOS_ATTACHED;i++){
        serialServos[i].write(angle);
      }
      delay(8);  
  }

  for (int angle = 180; angle >= 0; angle--) { 
      for(int i=0;i<NUMBER_OF_SERVOS_ATTACHED;i++){ 
        serialServos[i].write(angle); 
      }
      delay(8);
  }
}

void loop()
{
    sweep();
}