arduino-thermometer/arduino.ino

//DISPLAY
#include <Arduino.h>
#include <TM1637Display.h>

// Module connection pins (Digital Pins)
#define CLK 4
#define DIO 3
TM1637Display display(CLK, DIO);

// THERMOMETER
#include <Adafruit_Sensor.h>
#include <DHT.h>
#include <DHT_U.h>

#define DHTPIN            6         // Pin which is connected to the DHT sensor.

#define DHTTYPE           DHT11     // DHT 11 

DHT_Unified dht(DHTPIN, DHTTYPE);

uint32_t delayMS;

const int b1pin = 8;
const int b2pin = 9;
const int b3pin = 10;

int b1state = 0;
int b2state = 0;
int b3state = 0;

bool serial = true;

void setup() {
	int brightness = 15;
  display.setBrightness(brightness);
  display.showNumberDec(8888);
	
  dht.begin();
  //sensor_t sensor;
  //dht.temperature().getSensor(&sensor);

  Serial.begin(9600);
  int count = 0;
  while (!Serial) {
    if (count > 8000 * 5000) {
      serial = false;
      // wait for serial port to connect. Needed for native USB port only
      return;    
    }
  }
}

void loop() {	
    temp();
    delay(200);
    humidity();
    delay(200);
}

void temp () {
  sensors_event_t event; 
  dht.temperature().getEvent(&event);
  int temp = event.temperature;
  display.showNumberDecEx(temp, 0, false, 2, 0);
  if (serial)  {
      Serial.print("temp: ");
  Serial.println(temp, DEC);
  }
}

void humidity() {
  sensors_event_t event; 
  dht.humidity().getEvent(&event);
  int temp = event.relative_humidity;
  display.showNumberDecEx(temp, 0, false, 2, 2);

  if (serial) {
  Serial.print("humi: ");
  Serial.println(temp, DEC);    
  }
}