#include "DHTesp.h"
#include <Wire.h>
#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>
#define SCREEN_WIDTH 128
#define SCREEN_HEIGHT 32
#define OLED_RESET -1
Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, OLED_RESET);
DHTesp dhtSensor;
void setup() {
Serial.begin(115200);
// Initialize OLED display
if(!display.begin(SSD1306_SWITCHCAPVCC, 0x3C)) {
Serial.println(F("SSD1306 allocation failed"));
for(;;); // Don't proceed, loop forever
}
// Clear the display
display.clearDisplay();
// Set text size and color
display.setTextSize(1);
display.setTextColor(WHITE);
dhtSensor.setup(13, DHTesp::DHT22);
Serial.println("Hello, ESP32");
}
void loop() {
TempAndHumidity data = dhtSensor.getTempAndHumidity();
float temp = data.temperature;
float humidity = data.humidity;
// Clear the display
display.clearDisplay();
// Set cursor position
display.setCursor(0, 0);
// Print temperature
display.print("Temp: ");
display.print(temp, 2);
display.print("C");
// Print humidity
display.setCursor(0, 10);
display.print("Humidity: ");
display.print(humidity, 1);
display.print("%");
// Display the content on OLED display
display.display();
// Print readings on serial monitor
Serial.print("Temp: ");
Serial.print(temp, 2);
Serial.print("C, ");
Serial.print("Humidity: ");
Serial.print(humidity, 1);
Serial.println("%");
delay(1000);
}