#include <DHT.h>
#include <TM1637Display.h>

#define sensor 2
#define CLK 9
#define DIO 10
#define led 7

const unsigned int button = 7;

bool humidityOn = false;

#define DHTTYPE DHT22

DHT dht(sensor, DHTTYPE);
TM1637Display display = TM1637Display(CLK, DIO);

const uint8_t celsius[] = {
  SEG_A | SEG_B | SEG_F | SEG_G,  // Degree symbol
  SEG_A | SEG_D | SEG_E | SEG_F   // C
};


void setup() {
  // put your setup code here, to run once:
  Serial.begin(9600);

  dht.begin();

  display.clear();
  display.setBrightness(7);

  pinMode(button, INPUT_PULLUP);
  pinMode(led, OUTPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
  int h = dht.readHumidity();
  int t = dht.readTemperature();

  if (humidityOn == false) {
      display.showNumberDec(t, false, 2, 0);
      display.setSegments(celsius, 2, 2);
      if (t >= 40 || h >= 95) {
        digitalWrite(led, HIGH);
      }
      else {
        digitalWrite(led, LOW);
      }
      delay(2000);
      display.clear();
      humidityOn = true;
    }
  if (humidityOn == true) {
      display.showNumberDec(h, false, 2, 0);
      if (t >= 40 || h >= 95) {
        digitalWrite(led, HIGH);
      }
      else {
        digitalWrite(led, LOW);
      }
      delay(2000);
      display.clear();
      humidityOn = false;
    }

  Serial.print("Humidity: ");
  Serial.print(h);
  Serial.println("%");
  Serial.print("Temperature: ");
  Serial.print(t);
  Serial.println("'C");
}