Design of Solar Powered Indoor Smart Greenhouse

Savithry K. Thangaraju; Preveen Kumar Ravinttiran; Kannan M. Munisamy; Nurul Ain Syafiqah Mohamed Alias

Savithry K. Thangaraju
Preveen Kumar Ravinttiran
Kannan M. Munisamy
Nurul Ain Syafiqah Mohamed Alias

Abstract

Smart greenhouses emerged from smart farming is often known as the future of agriculture. This paper proposed an indoor-based smart greenhouse prototype with an off-grid photovoltaic system to provide an alternative electrical supply for the smart greenhouse. This paper intended to study the efficiency of the indoor-based smart greenhouse and the plants growth comparison in the exposure of conventional sunlight versus light source from Light Emitting Diode (LED). In addition to that, the growth comparison from hydroponic system and the traditional farming is also studied. The proposed system consists of four main components namely the solar system, Raspberry Pi, the sensor modules and Blynk mobile application. Electrical energy for the greenhouse is sourced from the solar system while the sensor module is used to measure the relevant parameters in the greenhouse. Also, Raspberry Pi serves as a processing unit that links the sensor module to the Blynk mobile application. All sensor data is then stored in the Blynk cloud and shown on mobile devices in real-time. The data inclusive of temperature and humidity of the greenhouse, along with height and number of leaves of the plant were measured and recorded. The results showed that the proposed system was able to yield better growth of the plant in terms of height, number, and size of the leaves.

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