arduino Tx DHT11

The DHT11 is a temperature and humidity sensor that can be used with an Arduino board. To transmit data from the DHT11 to an Arduino board, you need to connect the sensor to the digital pins of the board.

Here are the steps to connect and transmit data from the DHT11 to an Arduino board:

1. Connect the DHT11 sensor to the Arduino board using the following pins:

- VCC to 5V
- GND to GND
- Data to any digital pin (e.g. pin 2)

2. Install the DHT11 library in the Arduino IDE. To do this, go to Sketch -> Include Library -> Manage Libraries, then search for "DHT11" and install the library.

3. Open a new sketch in the Arduino IDE and include the DHT11 library by adding the following line at the beginning of your code:

#include <DHT.h>

4. Define the digital pin that the DHT11 sensor is connected to by adding the following line:

#define DHTPIN 2

5. Define the type of DHT sensor you are using (DHT11 or DHT22) by adding the following line:

#define DHTTYPE DHT11

6. Initialize the DHT11 sensor by adding the following lines in the setup() function:

DHT dht(DHTPIN, DHTTYPE);
dht.begin();

7. Read the temperature and humidity values from the DHT11 sensor by adding the following lines in the loop() function:

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

8. Transmit the temperature and humidity values to another device (e.g. a computer or a web server) using serial communication. To do this, add the following lines in the loop() function:

Serial.print("Temperature: ");
Serial.print(temperature);
Serial.print(" *C, Humidity: ");
Serial.print(humidity);
Serial.println("%");

9. Upload the code to the Arduino board and open the Serial Monitor in the Arduino IDE to view the temperature and humidity values.

Note: Make sure to check the specifications of your DHT11 sensor and adjust the code accordingly if necessary.