#include <SPI.h>
#include <Wire.h>
#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>

#include <DHT.h>
#define DHTPin 12
#define DHTTYPE DHT22
float temp,humi;

Adafruit_SSD1306 OLED(128, 64, &Wire,-1);//withกว้าง,heightสูง,reset-1
DHT dht(DHTPin,DHTTYPE); //DHTPin ขา ,DHTTYPE =ชนิดของDHT

void setup() {
  Serial.begin(115200);
  OLED.begin(SSD1306_SWITCHCAPVCC, 0x3C);
  OLED.clearDisplay();
  dht.begin();
};

void loop() {
  datatemp();
  OLED.display();
  delay(3000);
  
  datahumi();
  OLED.display();
  delay(3000);
  OLED.clearDisplay();
};

void datahumi(){
OLED.clearDisplay();
humi=dht.readHumidity();
  if (isnan(humi)  );{
    Serial.println("DHT Sensor Humidity Failed!! ");
    delay(200);
  }

  OLED.setTextColor(WHITE, BLACK);
  OLED.setTextSize(1); 
  OLED.setCursor(30, 5);
  OLED.print("Humidity");
  OLED.setTextSize(2);
  OLED.setCursor(20, 25);
   OLED.print(humi);
   OLED.print(" %RH");
  
};
void datatemp(){
  OLED.clearDisplay();
  temp=dht.readTemperature();
  

  if (isnan(temp)  );{
    Serial.println("DHT Sensor Temperature Failed!!");
    delay(200);
  }

  OLED.setTextColor(WHITE, BLACK);
  OLED.setTextSize(1); 
  OLED.setCursor(30, 5);
  OLED.print("Temperature");
  OLED.setTextSize(2);
  OLED.setCursor(20, 25);
   OLED.print(temp);
   OLED.drawCircle(88, 25, 3, WHITE);
   OLED.setCursor(95,25);
   OLED.print("C");
   delay(2000);
   OLED.display();

};



/*display.drawLine(0, 63, 127, 21, WHITE); เส้น
display.drawCircle(110, 50, 12, WHITE);วงกลมไม่มีพื้นหลัง
display.fillCircle(45, 50, 8, WHITE);วงกลมมีพื้นหลัง
display.drawTriangle(70, 60, 90, 60, 80, 46, WHITE);สี่เหลี่ยมทึบ*/