#include <Servo.h>

class Hand {
  static const int NUM_FINGERS = 5;
  Servo fingerServos[NUM_FINGERS];

  public:
  Hand(int thumbPin, int indexPin, int middlePin, int ringPin, int littlePin) {
    fingerServos[0].attach(thumbPin);
    fingerServos[1].attach(indexPin);
    fingerServos[2].attach(middlePin);
    fingerServos[3].attach(ringPin);
    fingerServos[4].attach(littlePin);
  }

  void alltomax() {
    for(int i = 0; i < numFingers; i++){
      fingerServos[i].write(90);
    }
  }

  void alltorest() {
    for(int i = 0; i < numFingers; i++){
      fingerServos[i].write(0);
    }
  }
};

Hand hand = Hand(1, 2, 3, 4, 5);
double delayTime = 4000;

void setup() {
}

void loop() {
  hand.alltorest();
  delay(delayTime);
  hand.alltomax();
  delay(delayTime / 2);
}