/* ESP32 WiFi Scanning example */

#include <Wire.h>
#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>
#include <Adafruit_Sensor.h>
#include <DHT.h>

#define SCREEN_WIDTH 128 // OLED display width, in pixels
#define SCREEN_HEIGHT 64 // OLED display height, in pixels

// Declaration for an SSD1306 display connected to I2C (SDA, SCL pins)
Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, -1);

#define DHTPIN 14 // Digital pin connected to the DHT sensor

// Uncomment the type of sensor in use:
//#define DHTTYPE
#define DHTTYPE  DHT22
//#define DHTTYPE

DHT dht (DHTPIN, DHTTYPE);

void setup() {
Serial.begin(115200);

dht.begin();

if(!display.begin(SSD1306_SWITCHCAPVCC, 0x3C))
 {
Serial.println(F("SSD1306 allocation failed"));
for( ;; );
 }
delay(2000);
display.clearDisplay();
display.setTextColor(WHITE);

 }

void loop()
 {
delay(5000);

// Set fixed temperature and humidity values
float t = 29.0; // Fixed temperature
float h = 40.0; // Fixed humidity

// Check for NaN values (in case you use real readings)
if (isnan(h) | | isnan(t)) {
Serial.println("Failed to read from DHT sensor!");
}
// Clear display
display.clearDisplay();

// Display temperature
display.setTextSize(1);
display.setCursor(0, 0);
display.print("Temperature: ");
display.setTextSize(2);
display.setCursor(0, 10);
display.print(t);
display.print(" ");
display.setTextSize(1);
display.cp437(true);
display.write(167); // Degree symbol
display.setTextSize(2);
display.print("C");

// Display humidity
display.setTextSize(1);
display.setCursor(0, 35);
display.print("Humidity: ");
display.setTextSize(2);
display.setCursor(0, 45);
display.print(h);
display.print(" %");

// Update the display
display.display();



}