/*
   Forum: https://forum.arduino.cc/t/mega-2560-pwm-pins/1191076
   Wokwi: https://wokwi.com/projects/381938780490308609
*/

#include <Servo.h>

// constant expression holding the number of servos wired to the MEGA
constexpr int noOfServos {8};
// constant expression storing the first pin number
// The wired pins are 6, 7, 8, ... therefore we will later
// attach the servos starting with firstServoPin (plus 1 for each further servo)
constexpr byte firstServoPin {6};

Servo myServo[noOfServos];  

void setup() {
  // set start angle before attaching the servos
  writeToAllServos(0);
  // function to attach all servos
  for (int i= 0;i< noOfServos;i++){
    myServo[i].attach(firstServoPin+i);  
  }
}


void loop() {
  writeToAllServos(110);
  delay(100); 
  writeToAllServos(120);
  delay(1500);
}

// function to set all servos to the same angle
void writeToAllServos(int angle){
  for (int i= 0;i< noOfServos;i++){
    myServo[i].write(angle);  
  }
}