RESOURCEFUL SELECTION-BASED DESIGN OF WIRELESS UNITS FOR GRANARY MONITORING SYSTEMS

Onibonoje, Moses Oluwafemi and Alli, Kolapo Sulaimon and i Olowu, Temitayo Olayem and Ogunlade, Michael Adegoke and Akinwumi, Aderonke Oluseun RESOURCEFUL SELECTION-BASED DESIGN OF WIRELESS UNITS FOR GRANARY MONITORING SYSTEMS. ARPN Journal of Engineering and Applied Sciences, 11 (23). ISSN 1819-6608

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Abstract

The effectiveness of any granary system is grossly dependent up on the efficiency of its monitoring and control measures. The granary monitoring systems presently in use in mo st developing countries are based on wired networks with inevitable disadvantages that include high installation and mai ntenance costs. Most wireless granary monitoring systems previously developed were achieved without resort to resourcefu lness of the composite units of the system. However, record information on the selection of best comparative compone nts for wireless granary monitoring systems is not readily available. This paper designed a wireless sensor integrated sys tem from comparison and selection of resourceful component units for monitoring temperature, humidity and light variations in stored bulk grains. The resulting composite units of the developed system were products of the best paramet ers trade-off in the selection of components and protocols. The sensing unit consists of the selected Grove-DHT22 Temperatu re/Humidity sensor with calibrated, linearized and stable digital signals output via 1-wire bus and a cheap low-power Gro ve-GL5528 light sensor. The resulting network had no hierarchy or parent-child relationship constraint. The low-powe r sleep configuration possibility of the sensor node was cyclic and synchronized

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