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Research Paper | Electrical Control System | Nigeria | Volume 9 Issue 12, December 2020

Development of NCAM Temperature and Humidity Sensor

Ogunjirin O. A. | A. A. Adewunmi | P. Nwaobilor | F. A. Willoughby | F. U. Ogini

Abstract: In the present day, the necessity to monitor environmental factors in all industries is necessary in research institutes and even for domestic uses. The analogue data measurement for monitoring of temperature and humidity requires manual effort to note readings which are very tedious and time consuming and may lead to inaccurate measurements due to human errors. The manual systems fail to provide and store precise values of parameters with high accuracy and have drawback of storage/memory. Therefore, it is important to develop an automated temperature and humidity sensor with materials acquired locally capable enough to monitor all the environmental parameters with utmost possible accuracy that is cost-effective as well as portable too. The measuring device obtains temperature and humidity data by using DHT11 sensor. The hardware used for the project includes Arduino Nano, Liquid Crystal Display (LCD) and DHT11 sensor using the Arduino IDE software. C programming language was used and the libraries of each component were installed in the Arduino IDE. A program code in the Arduino IDE (sketchbook) was created to enable the DHT11 sensor, LCD and Arduino work. The DHT11 was initialized at 5 V. The readings were recorded when the values displayed on the LCD for human interface after communicating with the Arduino. The device was evaluated at NCAM greenhouse for different time intervals for five days. The results showed that the cost-effective portable device is able to detect and record temperature and humidity effectively

Keywords: Arduino IDE, Temperature, Humidity, Sensor, C programming, DHT11

Edition: Volume 9 Issue 12, December 2020,

Pages: 101 - 106

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