KIT INCLUDES:

HARDWARE REQUIRED

Name: Make a project using Arduino sensor shield using DHT11 temperature and humidity sensor interfacing with Arduino uno
Brand: Robokreeda
SKU: 3104
Price: 1062 INR
Availability: InStock
Rating: 5 (1 reviews)

SOFTWARE REQUIRED

Arduino IDE 1.8.5 (programmable platform for Arduino)

Click To Download :https://www.arduino.cc/en/Main/Software

SPECIFICATIONS

DHT11 TEMPERATURE AND HUMIDITY SENSOR

Here are the ranges and accuracy of the DHT11:

Humidity Range: 20-90% RH
Humidity Accuracy: ±5% RH
Temperature Range: 0-50 °C
Temperature Accuracy: ±2% °C
Operating Voltage: 3V to 5.5V
3 to 5V power and I/O
2.5mA max current use during conversion (while requesting data)
Good for 0-100% humidity readings with 2-5% accuracy
Good for -40 to 125°C temperature readings ±0.5°C accuracy
No more than 0.5 Hz sampling rate (once every 2 seconds)
Body size 15.1mm x 25mm x 7.7mm

ARDUINO SENSOR SHIELD

IIC interface
32 way steering controller interface
Bluetooth module communication interface
SD card module communication interface
The APC220 Wireless RF module communication interface
RB URF v1.1 ultrasonic sensor interface
12864 LCD serial and parallel interface

PIN DESCRIPTION

DHT11 TEMPERATURE AND HUMIDITY SENSOR

ARDUINO SENSOR SHIELD

LIBRARY REQUIRED

To run the appropriate code in Arduino IDE you will first have to install the DHT library in you Arduino directory.

Download the zip file from

(http://hobbyist.co.nz/sites/default/files/WeatherStation/DHT.zip) and place it in your Arduino library folder. The path to Arduino library folder for my computer is

Documents/ Arduino/ Libraries

Unzip the downloaded file and place it in this folder.

After copying the files, the Arduino library folder should have a new folder named DHT containing the dht.h and dht.cpp. After that copy the following code in the Arduino IDE and upload the code.

CIRCUIT CONNECTION

First of all , we put all sensor shield on arduino uno.
Then connect the dht11 sensor on sensor shield port as define in code
Upload the code to arduino uno.
At Last, open the serial monitor for result show to display.

Note: Here we are using Sensor shield but you can use arduino uno because pin connections are same.

CODE

Click to see code here: https://docs.google.com/document/d/e/2PACX-1vS3LFfUkBB2V0Jv-mAqWy4XzcUzADiNmE2T0aLQEwn42oYtu4DiltsoLkgP0w0zkK-mIxM8wC-u4PEO/pub

#include <DHT11.h> // Include Library for Sensor

int pin=4; // Initialize Pin for Sensor

DHT11 dht11(pin); // Assign the Pin

/* The setup() function is called when a sketch starts. It is used to initialize variables, pin modes, start using libraries, etc. This function will only run once, after each power up or reset of the Arduino board */

void setup()

{

Serial.begin(9600); // Baud Rate

while (!Serial)

{

; // wait for serial port to connect. Needed for Leonardo only

}

/* This Particular Function is used for Repeated Execution of the Circuit until Specified. */

void loop()

{

int err; // Initialize integer variable

float temp, humi; // Initialize the variables

if((err=dht11.read(humi, temp))==0) // When both values equals 0

{

Serial.print(“temperature:”); // Print the Message

Serial.print(temp); // Print the Temperature values

Serial.print(” humidity:”); // Print the Message

Serial.print(humi); // Print the Humidity values

Serial.println();

}

else

{

Serial.println();

Serial.print(“Error No :”); // Print the Message

Serial.print(err); // Print the error values

Serial.println();

}

delay(DHT11_RETRY_DELAY); // Delay for re-read

}

WORKING

Welcome to the Arduino Based Humidity check Project which consists of DHT11 Humidity & Temperature Sensor Module and Arduino Sensor Shield. The humidity is sensed using a moisture dependent resistor. It has two electrodes and in between them there exist a moisture holding substrate which holds moisture. The conductance and hence resistance changes with changing humidity. Both these temperatures and humidity a changes are processed by an IC placed on the other side of the board. It calculates the values of both and can transmit those values to a microcontroller using only a single data line.

In this project we use sensor shield interfacing with Arduino Uno in which we connect the Dht 11 with sensor shield and reading will be shown on serial monitor.

In this project we use sensor shield interfacing with arduino uno in which we connect the dht 11 with sensor shield and reading will shows on serial monitor.

HARDWARE REQUIRED

SOFTWARE REQUIRED

SPECIFICATIONS

DHT11 TEMPERATURE AND HUMIDITY SENSOR

ARDUINO SENSOR SHIELD

PIN DESCRIPTION

DHT11 TEMPERATURE AND HUMIDITY SENSOR

ARDUINO SENSOR SHIELD

LIBRARY REQUIRED

CIRCUIT CONNECTION

CODE

WORKING

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