Home automation is rapidly playing an important role in today’s technologically advancing world. The aim of automation is making life easier for the user by eliminating the rigorous nature of manually operating home appliances like fan, television, light and Home Theater. This paper propose a home automation using Arduino Nano and HC 06 Bluetooth module interfaced together and can wirelessly communicate with an Android or IOS mobile phone that is Bluetooth enabled. Using this system, a fan and a television is wirelessly controlled using Bluetooth terminal software downloaded from google play store. The system was design and tested using two LEDs, a yellow LED and red LED representing the television and the fan respectively. The result shows that home automation can be achieved using Arduino Nano and HC06 Bluetooth module interconnecting other appliances in the household as well.
A review of different configuration and orientation of greenhouse (GH) were conducted, the use of different types of cover and solar energy transmissivity into the GH were also presented. This study presents, a new configuration of (GH) implementing the use of semi-transparent photovoltaic (STPV) as cover to improve the performance of GH, for agricultural purposes and power generation. In this work, the solar energy intercepted by the GH cover and the extended hangout is calculated. The total energy available for conversion into electric energy was also calculated. The STPV allows photosynthetic active radiation (PAR) to pass into the GH cavity while the higher wavelength is collected and converted into electric energy. The solar energy intercepted by the STPV roof cover is 69335.78 kWh yr-1, the total energy transmitted into the GH cavity is 68842.4544 kW yr-1. The air, plants and outside temperature varies between 27- 44% inside the GH. The electrical energy produced by the STPV roofed cover was calculated to be 21.98 kWh yr-1. The total electric energy produced from the roof covered with 100% STPV is sufficient to control the GH microclimate for conducive plants growth throughout the year.
Incubators are very essential equipment that finds wide application in the fields of medical Laboratory and microbiological research organization. This is because Incubator monitors and maintains conducive environment that is suitable for culturing, or growing of micro bacterial and enzymes, for the purpose of clinical diagnoses in Health centres, or process development in manufacturing industries. In this paper, a transfer function model for an incubator was developed upon which a designed Fuzzy logic controller acts to control the incubator Temperature, by computing appropriate Voltage. A PID (Proportional Integral Derivative) controller was also designed and tested on the same model. Findings were that the fuzzy logic controller tracked the optimum Temperatures for culturing of Mesophilic and thermophilic bacterial at 37 0C and 54.94 0C respectively. In comparison with the Fuzzy logic controller, the PID controller tracked at 37 0C and 55 0C for the two selected set points. In addition, the fuzzy logic controller gave faster rise time ( 3.30 mS, 3.45 mS and 13.72 mS) and settling time ( 1.60 mS, 2.04 mS and 5.55 mS ) as compared to PID controller which presented longer rise time (53.61 mS, 53.68 mS and 53.62) and settling time ( 254 mS, 336 mS and 345 mS) for the given set points respectively.
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