DHT 11 Temperature & Humidity sensor :

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Project description:

DHT11 sensor measures and provides humidity and temperature values serially over a single wire.It can measure relative humidity in percentage (20 to 90% RH) and temperature in degree Celsius in the range of 0 to 50°C.It has 4 pins; one of which is used for data communication in serial form.Pulses of different TON and TOFF are decoded as logic 1 or logic 0 or start pulse or end of a frame.

           The data provided by the DHT 11 sensor is processed by the arduino  board to calculate the temperature and humidity. A 16*2 LCD display is connected to the arduino that displays the real time Temperature and Humidity that is measured by the DHT 11 sensor.

Components used in this project:

• Arduino UNO R3

• DHT11 Temperature and Humidity Sensor  

• Breadboard 

• Power supply  (9V battery)

• 16 x 2 LCD Display 

• 10K Ohm Potentiometer  

• Connecting wires  

What you get with the project:

• Fully assembled project.

• Project Report(30-40 pages)  that you need to submit with the project.

• Circuit diagram and the Code of the project.

• Assistance for your project till submission.

• Datasheets of the IC's and components used in the project.

Applications:

DHT11 Relative Humidity and Temperature Sensor can be used in many applications like:

• HVAC (Heating, Ventilation and Air Conditioning) Systems

• Weather Stations

• Medical Equipment for measuring humidity

• Home Automation Systems

• Automotive and other weather control applications