How to use DHT11

DHT11 Tutorial, That is all I got to say.

Aug 7, 2022

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arduino

Devices & Components

Arduino Uno Rev3

Jumper wires (generic)

Resistor 10k ohm

Breadboard (generic)

DHT11 Temperature & Humidity Sensor (4 pins)

Software & Tools

Arduino IDE

Project description

Code

arduino

Curcuit Code

1#include <DHT.h>
2DHT sensor (13, DHT11);
3void setup() {
4  //   put your setup code here, to run once:
5  Serial.begin(9600);
6}
7float temp;
8float   humi;
9void loop() {
10  // put your main code here, to run repeatedly:
11  temp   = sensor.readTemperature();
12  humi = sensor.readHumidity();
13  Serial.print(temp);
14   Serial.print(" Celcius, ");
15  Serial.print(humi);
16  Serial.print("% Humidity\
17");
18   delay(1560);
19  Serial.println("-----------------");
20}
21

#include <DHT.h>
DHT sensor (13, DHT11);
void setup() {
  //   put your setup code here, to run once:
  Serial.begin(9600);
}
float temp;
float   humi;
void loop() {
  // put your main code here, to run repeatedly:
  temp   = sensor.readTemperature();
  humi = sensor.readHumidity();
  Serial.print(temp);
   Serial.print(" Celcius, ");
  Serial.print(humi);
  Serial.print("% Humidity\
");
   delay(1560);
  Serial.println("-----------------");
}

Code

arduino

Curcuit Code

1#include <DHT.h>
2DHT sensor (13, DHT11);
3void setup() {
4  //  put your setup code here, to run once:
5  Serial.begin(9600);
6}
7float temp;
8float  humi;
9void loop() {
10  // put your main code here, to run repeatedly:
11  temp  = sensor.readTemperature();
12  humi = sensor.readHumidity();
13  Serial.print(temp);
14  Serial.print(" Celcius, ");
15  Serial.print(humi);
16  Serial.print("% Humidity\
17");
18  delay(1560);
19  Serial.println("-----------------");
20}
21

#include <DHT.h>
DHT sensor (13, DHT11);
void setup() {
  //  put your setup code here, to run once:
  Serial.begin(9600);
}
float temp;
float  humi;
void loop() {
  // put your main code here, to run repeatedly:
  temp  = sensor.readTemperature();
  humi = sensor.readHumidity();
  Serial.print(temp);
  Serial.print(" Celcius, ");
  Serial.print(humi);
  Serial.print("% Humidity\
");
  delay(1560);
  Serial.println("-----------------");
}

Downloadable files

Schematic

Circuit Schematic

Schematic

Circuit Schematic

Schematic

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