Hot Water Accountability System (HWAS)

//Libraries
// This #include statement was automatically added by the Particle IDE.
#include <Grove_Temperature_And_Humidity_Sensor.h>
//Define pins used
DHT dht(D2);
int buzzerPin = D6;
//Declare Variables
int Humidity = 0;
bool tooHigh = false;
bool buzzerTrigger = false;
#define check_time 5000
unsigned long lastCheck = 0;
///////////////////////////////////////////////////////////////////
//Setup
void setup()
{
    Serial.begin(9600);
    
    dht.begin();
    
    Particle.variable("Humidity", Humidity);
    
    Particle.subscribe("Buzzer", buzzer, MY_DEVICES); // Subscribe to tooHigh Function
}
/////////////////////////////////////////////////////////////////////
//Functions
void buzz() // Function used to make buzzer "buzz"
{
    for (int i=0; i<100; i++)
    {
        digitalWrite(buzzerPin, HIGH);
        delay(1);
        digitalWrite(buzzerPin, LOW); 
        delay(1);
    }
}
void buzzer(const char *event, const char *data) // Turn buzzer trigger to true if a "buzzer" event is detected
{
    if(event)
    {
        buzzerTrigger = true; //set buzzer to be true if event "buzzer" is published
    }
    
    while(buzzerTrigger)
    {
        for(int i=0; i<5; i++)
        {
            buzz();
            delay(500);
        }
        
        buzzerTrigger = false;
    }
}
void checkHumidity() //Function to check humidity level
{
    if (dht.getHumidity())
    {
        Humidity = dht.getHumidity();
        
        Particle.publish("Humidity", String(Humidity), PRIVATE);
        
        if (Humidity >= 70)
        {
            tooHigh = true;
            Particle.publish("tooHigh", String(tooHigh), PRIVATE);
        }
    }
}
//////////////////////////////////////////////////////////////////
//Void loop
void loop()
{
    if (lastCheck + check_time < millis())
    {
        lastCheck = millis();
        checkHumidity();
        buzz();
    }
    
}