#include <Arduino.h>
#include <Servo.h>
Servo feed;
int hungry = 0;
int full = 90;
int potpin = 0;
int val;
char timer = 0;
int temp = 0;
#define s1 digitalRead(4)
#define s2 digitalRead(5)
#define s3 digitalRead(6)

void setup() {
  pinMode(4, INPUT);
  pinMode(5, INPUT);
  pinMode(6, INPUT);
  feed.attach(3);
  feed.write(hungry);
}

void loop() {
  val = analogRead(potpin);
  val = map(val, 0, 1023, 200, 2000);
  if (s1 == HIGH) {
    timer++;
    delay(200);
  }
  if (s2 == HIGH) {
    timer--;
    delay(200);
  }
  temp = timer;
  if (s3 == HIGH) {
    for (int i = timer; i > 0; i--, timer--) {
      delay(val * 400);
    }
    if (timer == 0) {
      feed.write(full);
      delay(1500);
      feed.write(hungry);
    }
    delay(200);
    timer = temp;
    for (int i = timer; i > 0; i--, timer--) {
      delay(val * 400);
    }
    if (timer == 0) {
      feed.write(full);
      delay(1500);
      feed.write(hungry);
    }
  }
}