Lämpötila- ja ilmankosteusanturi 1 | DHT22 moduuli breadboardille

/*
 * ==================================================================
 *  Generated by Codey.online  —  https://www.codey.online
 * ==================================================================
 *  Project   : DHT22 Temperature and Humidity Monitor
 *  Board     : Arduino UNO (arduino:avr:uno)
 *  Parts     : DHT22
 *  Libraries : DHT sensor library 1.4.7
 *
 *  Codey Online is an AI-powered browser IDE for Arduino and ESP32.
 *  Describe your project and Codey writes the code, draws the wiring
 *  diagram and uploads it to your board, straight from the browser.
 *  This code is free to use, modify and share, without warranty.
 * ==================================================================
 */

#include "DHT.h"

#define DHTPIN 2
#define DHTTYPE DHT22

DHT dht(DHTPIN, DHTTYPE);

void setup() {
  Serial.begin(115200);
  Serial.println(F("DHT22 Reading Demo"));
  dht.begin();
}

void loop() {
  // DHT22 sampling rate is roughly once every 2 seconds
  delay(2000);

  float humidity = dht.readHumidity();
  float temperature = dht.readTemperature();

  if (isnan(humidity) || isnan(temperature)) {
    Serial.println(F("Failed to read from DHT sensor!"));
    return;
  }

  Serial.print(F("Humidity: "));
  Serial.print(humidity, 1);
  Serial.print(F("%  |  Temperature: "));
  Serial.print(temperature, 1);
  Serial.println(F("°C"));
}

/*
 * ==================================================================
 *  Generated by Codey.online  —  https://www.codey.online
 * ==================================================================
 *  Project   : DHT22 Temperature and Humidity Monitor
 *  Board     : ESP32 DEVKIT V1 (esp32:esp32:esp32doit-devkit-v1)
 *  Parts     : DHT22
 *  Libraries : DHT sensor library 1.4.7
 *
 *  Codey Online is an AI-powered browser IDE for Arduino and ESP32.
 *  Describe your project and Codey writes the code, draws the wiring
 *  diagram and uploads it to your board, straight from the browser.
 *  This code is free to use, modify and share, without warranty.
 * ==================================================================
 */

#include "DHT.h"

#define DHTPIN 4
#define DHTTYPE DHT22

DHT dht(DHTPIN, DHTTYPE);

void setup() {
  Serial.begin(115200);
  Serial.println("DHT22 Sensor Reading Test");
  
  dht.begin();
}

void loop() {
  // Wait 2 seconds between measurements (DHT22 sampling rate is ~0.5Hz)
  delay(2000);

  float humidity = dht.readHumidity();
  float temperature = dht.readTemperature();

  // Check if any reads failed and exit early
  if (isnan(humidity) || isnan(temperature)) {
    Serial.println("Failed to read from DHT sensor!");
    return;
  }

  Serial.print("Humidity: ");
  Serial.print(humidity, 1);
  Serial.print(" %  |  Temperature: ");
  Serial.print(temperature, 1);
  Serial.println(" °C");
}