#include <OneWire.h>
#include <DallasTemperature.h>
#include <DHTesp.h>
#include <Wire.h>
#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>

#define ADC_VREF_mV    5000.0 // in millivolt
#define ADC_RESOLUTION 4096.0
#define SCREEN_WIDTH 128 
#define SCREEN_HEIGHT 64

const int LM35 = 15;
const int oneWireBus = 12;
const int DH22 = 14;

Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, -1);
OneWire oneWire(oneWireBus);
DallasTemperature sensors(&oneWire);
DHTesp dhtSensor;

void setup()
{
 Serial.begin(115200);
 pinMode(LM35, INPUT);  
 sensors.begin();
 dhtSensor.setup(DH22, DHTesp::DHT22);
 display.begin(SSD1306_SWITCHCAPVCC, 0x3C);
}
void loop() {
//Senosr LM35
 int ADC;
 float temp;
 ADC = analogRead(LM35);
 float milliVolt = ADC * (ADC_VREF_mV / ADC_RESOLUTION);
 temp = milliVolt / 10;
 //temp = (temp / 3.999);
 Serial.print("Temperature = ");
 Serial.print(temp);
 Serial.println(" °C");
 delay(1000);

//Sensor DHT22
  float suhu = 0;
  float kelembaban = 0;
  TempAndHumidity data = dhtSensor.getTempAndHumidity();
  suhu = data.temperature;
  kelembaban = data.humidity;
  Serial.print("Temp: ");
  Serial.print(suhu);
  Serial.println("C");
  Serial.print("Hum: ");
  Serial.print(kelembaban);
  Serial.println("%");
  delay(1000);
//Sensor DS18B20
sensors.requestTemperatures(); 
  float temperatureC = sensors.getTempCByIndex(0);
  Serial.print("TempC= ");
  Serial.print(temperatureC);
  Serial.println("ºC");
  delay(1000);

//LCD OLED
  display.clearDisplay();
  display.setTextSize(1);             
  display.setTextColor(WHITE);        
  display.setCursor(0,0);             
  display.print("Suhu= ");
  display.print(temp);
  display.print((char)247);
  display.print("C");
  display.setCursor(0,10);             
  display.print("Humidity= ");
  display.print(kelembaban);
  display.print("%");
  display.setCursor(0,20);
  display.print("TempC= ");
  display.print(temp);
  display.print((char)247);
  display.print("C");
  display.setCursor(0,30);
  display.print("Temp is= ");
  display.print(temperatureC);
  display.print((char)247);
  display.print("C");
  display.setCursor(0,40);
  display.print("Citra Sukma Wardani");
  display.setCursor(0,50);
  display.print("42222005");
  display.display();
  delay(2000);
}