Environmental control for catfish drying house using raspberry pi microcontroller
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Date
2018-05
Authors
Mohamad Hanif Ibrahim
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Abstract
Catfish drying process is one of the method used to preserve the fish to make it
last longer than usual period of time. Traditionally, the most common method used is
by drying the fish under the sun. However, this method is limited by unpredictable
weather where sometimes the drying process is disturbed by the rain. In order to
overcome the problem, this project is implemented by using a building protected from
outside environment called drying house to enhance the drying process. A hardware
system was introduced in this project which consists of monitoring and controlling
part conducted by a microcontroller called Raspberry Pi. Monitoring part consists of
temperature and humidity sensor, and light intensity sensor and connected to the
microcontroller. These sensors are used to monitor the current condition inside the
drying house for 24 hours daily. All the information gathered by the sensors was
transmitted to the microcontroller to analyse. Then, the processed data were published
via the Internet and displayed in Cayenne application through computer and
smartphone application. The analysis for the condition inside the drying house was
made based on the processed data. The results showed that the temperature and
relative humidity is dependent each other and affected by the weather changes. The
controlling part was introduced to keep maintain the temperature and relative
humidity by generating heat using a gas heater and dehumidifier to reduce the air
moisture. However, some problems were found during the experiment which affects
the overall developed system.