                 {0,0,0,1},
                 {1,0,0,1} };
 
-
 void setup() {
   //Setting input/output Pins
-  //servos
-  drawerServo.attach(drawer);        // attaches the doorServo on pin Arduino pin
-  warehouseServo.attach(warehouse);  // attaches the warehouseServo on pin Arduino pin
   //outputs
   pinMode(  upPin1,     OUTPUT);
   pinMode(  upPin2,     OUTPUT);

void hardwareDispense(){
  int bills[4];
  int total = 0;
  for (int i = 0; i<=4; i++){
    while(Serial.available() <= 0){ //wait until RPI sends voltage on serial buffer
    }
    serialData = Serial.read(); //get the desired count from serial

#include <Servo.h> 
Servo drawerServo;// create servo object to control a servo
Servo warehouseServo;// create servo object to control a servo
#define drawerServoOpen     100
#define drawerServoClose    10
#define WarehouseServoOpen  100
#define WarehouseServoClose 10

//variables definition
char  serialData;             //for storing serial string
