Chai, Rong Xing
(2021)
Internet Of Things On Web Development And Cloud Computing For Space Farming.
Project Report.
Universiti Sains Malaysia, Pusat Pengajian Kejuruteraan Aeroangkasa.
(Submitted)
Abstract
Food is a source of necessities we relied to survive and on planet Earth, we have
the ability to grow all kinds of fruits and vegetables. Our goal of space exploration to far
and beyond with the mission to preserve mankind someday is to send humans into space.
The first crew of astronauts were to land on Mars in 2025. Food supply will not last them
long enough to stay on Mars and return to Earth. Therefore, a space farming system that
has the ability to produce fruits and vegetables in space has been researched throughout
this project to solve the food supply problem. Mars has a completely different
environment than Earth’s. An enclosed farming system is designed from Solidworks
software to fabricating the prototype where the plants are held within the system.
Hydroponics technique is used where soil is being replaced by water. Microgravity is not
the concern because our main focus is on the surface of Mars that has 62% lower gravity
than Earth’s. Environment in the enclosed farming system is monitored and regulated at
all times using Internet of Things. The cherry tomato plant is experimented in this project
where the optimal condition, pH level and TDS level required by the plant are
determined. Sensors are placed in the enclosed farming system and a website is
developed to monitor the cherry tomato plant. Acidic solution, alkaline solution, fertiliser
solution and freshwater are prepared to regulate the condition of the cherry tomato plant
autonomously. Firebase is used to transfer real-time data from the Raspberry Pi to the
website hosted on Google Cloud. The real-time pH level, TDS level, temperature and
humidity of the cherry tomato plant are recorded for four weeks, and the growth is
analysed. During the fourth week, the cherry tomato plant died due to thermal shock.
Nevertheless, monitoring and regulating the enclosed farming system are a success.
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