Development of Ultra Low-Cost Data Acquisition System (DAS) for Developing Countries
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Date
2021
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Publisher
Walailak Journal
Abstract
The Data Acquisition System (DAS) is an important equipment in measurement systems especially
in weather monitoring and also very crucial in many areas such as agricultural, communication,
transportation, sport and industrial processes. This work proposes a weather monitoring system based on
an Arduino Mega2560 microcontroller board. The microcontroller has the ability to monitor, record and
display the information of atmospheric sensor parameters connected to its analogue and digital pins. The
outputs of analogue sensors are connected to the microcontroller through separate ADC for sampling. An
LCD attached to the microcontroller displays the measured parameters. For analysis, the data is stored in
excel format and can be copied directly from microSD card. The DAS was tested and examined through
intensive experimental work. The tables and plots obtained from the experiment for standardizing the
sensors, it is clear that there is a close conformity between the data collected by the developed system and
the existing standard systems. The need for extra cost baud rate and expensive third-party computer
software for interfacing to download data from the logger have been eliminated. There is no need of
internet for any linking or configuration. It is evident that the DAS is of better choice in terms of cost and
maintenance. The system will be helpful in monitoring and recording of atmospheric parameters.
Description
Keywords
Data acquisition system, Microcontroller, Ultraviolet, Pressure, Weather monitoring