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	[[File:온습도대표이미지.jpg\|center\|class=coders100]]		{{#seo:\|title=ArduWiki: Arduino Temperature and Humidity Sensor (DHT-11) Guide\|title_mode=append\|keywords=Arduino, Information Science, Maker Learning, Performance Evaluation, Temperature and Humidity Sensor (DHT-11), Arduino Projects, Capstone Projects, Arduino Example Code\|description=Introduces how to control the temperature and humidity sensor (DHT-11) with Arduino (basic information, circuit, example code). Can be used in Information Science and Maker classes.}}[[File:온습도대표이미지.jpg\|center\|class=coders100]]
	This sensor measures ambient temperature and humidity, outputting the data as a digital signal. It utilizes a capacitive humidity sensor and a thermistor for measurements.		This sensor measures ambient temperature and humidity, outputting the data as a digital signal. It utilizes a capacitive humidity sensor and a thermistor for measurements.

ArduWiki: Created page with "class=coders100 This sensor measures ambient temperature and humidity, outputting the data as a digital signal. It utilizes a capacitive humidity sensor and a thermistor for measurements. == '''Specifications''' == * Operating Voltage: 3.3V ~ 5V * Measurement Range: Temperature (0°C ~ 50°C) / Humidity (20% ~ 90%) * Error Range: Temperature (±2°C) / Humidity (±5%) == '''Required Hardware''' == * DHT11 * Arduino == '''..."

2024-03-23T08:13:01Z

Created page with "center|class=coders100 This sensor measures ambient temperature and humidity, outputting the data as a digital signal. It utilizes a capacitive humidity sensor and a thermistor for measurements. == '''Specifications''' == * Operating Voltage: 3.3V ~ 5V * Measurement Range: Temperature (0°C ~ 50°C) / Humidity (20% ~ 90%) * Error Range: Temperature (±2°C) / Humidity (±5%) == '''Required Hardware''' == * DHT11 * Arduino == '''..."

새 문서

[[File:온습도대표이미지.jpg|center|class=coders100]]
This sensor measures ambient temperature and humidity, outputting the data as a digital signal. It utilizes a capacitive humidity sensor and a thermistor for measurements.

== '''Specifications''' ==

* Operating Voltage: 3.3V ~ 5V
* Measurement Range: Temperature (0°C ~ 50°C) / Humidity (20% ~ 90%)
* Error Range: Temperature (±2°C) / Humidity (±5%)

== '''Required Hardware''' ==

* DHT11
* Arduino

== '''Connection''' ==
{| class="wikitable"
|+
!DHT11
!Arduino
|-
| +
|5V
|-
|OUT
|D2
|-
| -
|GND
|}
[[File:Dht11 회로.png|center|class=coders100]]

== '''Library''' ==

* DHT sensor library ([[Arduino Libraries]])

== '''Example Code''' ==
<syntaxhighlight lang="c++" line="1">
#include "DHT.h"
#define DHTPIN 2
#define DHTTYPE DHT11
DHT dht(DHTPIN, DHTTYPE);

void setup() {
Serial.begin(9600);
Serial.println("DHT11 test!");

dht.begin();
}

void loop() {
delay(2000);

float h = dht.readHumidity();
float t = dht.readTemperature();
float f = dht.readTemperature(true);

if (isnan(h) || isnan(t) || isnan(f)) {
Serial.println("Failed to read from DHT sensor!");
return;
}

float hif = dht.computeHeatIndex(f, h);
float hic = dht.computeHeatIndex(t, h, false);

Serial.print("Humidity: ");
Serial.print(h);
Serial.print(" %\t");
Serial.print("Temperature: ");
Serial.print(t);
Serial.print(" *C ");
Serial.print(f);
Serial.print(" *F\t");
Serial.print("Heat index: ");
Serial.print(hic);
Serial.print(" *C ");
Serial.print(hif);
Serial.println(" *F");
}

</syntaxhighlight>

=== Execution Result ===
[[File:Dht11 테스트.png|center|class=coders100]]

Temperature and Humidity Sensor(DHT11) - 편집 역사

2025년 3월 20일 (목) 10:57에 ArduWiki님의 편집