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    Comparative analysis between Teachers’ Education Goals and Social Change: An Exploratory Study of Nigerian University System
    (Faculty of Education Federal University Gusau, Zamfara State., 2024) Oniye, Masud Ibrahim, Ogunniran, Victoria Oludunn, Jekayinfa, Oyeyemi Jumoke, Mustapha, Adam Ishola & Sanni, Abdulhameed Muhammed
    In Nigeria, despite clearly laid out policy goals with curriculum content mapped to its achievement, outcomes have continually fall short of expectations in terms of the kind of teachers envisioned in the policy document. The development of teachers with social change as a goal of teacher education remained a problem. This study aimed at describing teacher education goals for social change within Nigerian Teacher Education; and examining the relationship that exists between the Teacher Education goals and social change among the undergraduates. An exploratory sequential mixed method study was used to allow the leverage of the complimentary advantages of qualitative and quantitative methods for generating deeper insights into phenomena. In the first part, 11 lecturers from 11 universities were interviewed to generate qualitative data. In the second part, questionnaire was developed and administered to Teacher Education undergraduate. Participants in the quantitative study were 416 undergraduates at various levels of the Teacher Education programmes in the Nigerian public universities. The study assessed the factors of age, gender, subject area, and level/year of study as predictors of undergraduates’ conceptualization of Teacher Education Goals (CTEG) for social change as well as CTEG as a predictor of social change. Thematic analysis and Structural Equation Model were employed to analyse the data collected for the study. The result showed that none of age, gender, year of study, and teaching subject significantly predicts CTEG. The study provided important information for policy, curriculum, strategy, and implementation in line with postmodern Teacher Education that is relevant for the twenty-first century.
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    Design and Implementation of a Real Time Clock Based Solar Tracking System
    (2021) Musa, Abdulwaheed
    Solar power is the fastest growing means of renewable energy production with grid connected solar capacity increasing on average by 60% annually according to the National Center for Policy Analysis in the United States. New solar technologies will increase energy security through reliance on an indigenous, inexhaustible, and mostly import-independent resource, enhance sustainability, reduce pollution, lower the costs of mitigating global warming, and keep fossil fuel prices lower. However, the power output from solar system is yet to be maximized. Thus, a solar tracking system that is based on Real Time Clock (RTC) using PIC microcontroller to maximize the power output from solar panels is thus proposed. The system ensures that the solar panel aligns with the sun at its highest intensity. The proposed tracking system is a low cost, high accuracy, more efficient with low power consumption.
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    Microcontroller-Based Carbon Monoxide Detector
    (2022) Musa, Abdulwaheed
    Carbon monoxide gas is a major source of environmental pollutant that emanates from fuel combustion with limited oxygen. The gas is lighter than the air and could be poisonous and dangerous if inhaled in high quantity by human beings. To prevent or reduce this poisoning and its effects, it is imperative to design and construct a detector that can assess the carbon monoxide levels in an environment and provide the concentrations level. The design involves assembling MQ-7 sensor and Atmega 328 microcontroller as the processor. Analogue input from carbon monoxide sources is converted to digital output and the result is displayed using Liquid Crystal Display (LCD). The output voltage of carbon monoxide emitted from vehicles, petrol and diesel generator, candle, etc. is determined. Decisions such as sending alerts to designated personnel or agency via short message service (SMS), phone call or by email, or sending commands to the actuators to turn on the environmental control devices.
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    Investigation of Millimeter Wave’s Cross Polarisation Differentiation in Dust and Sand Storms
    (2022) Musa, Abdulwaheed
    The performance of electromagnetic wave links in dust and sand (DUSA) storms has become a topic of interest to researchers, especially with emphasis on the attenuation of signal. But the phase rotation and the cross-polarization components are not yet sufficiently treated. This work investigates the cross-polarization differentiation (also known as discrimination) as a result of DUSA storms at high frequency such as the millimeter wave band. The paper proposes mathematical models of propagation of waves in DUSA storms using the forward scattering amplitude of DUSA particles and the Rayleigh technique. The suitability of the Rayleigh approximation for the models are validated by setting three different conditions. The results show fidelity of the technique for evaluating scattering of ellipsoidal DUSA particles for the range of sizes and frequencies considered. The coefficients of the scattering are thus determined and models for attenuation and phase rotation are introduced in terms of visibility. The results obtained from the models show close agreement with some earlier published results when compared. We then computed both the attenuation and the phase rotation differentials and the cross-polarization discriminations are then predicted using the parameters from the models as inputs. The attenuation during dry DUSA storms becomes significant only when the visibility is low and severe. At such visibility, the cross-polarization discriminations also become low (i.e. significant) and the same trend and pattern is observed when the frequency is increased.
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    Development of IoT-Based Circuitry for Smart Electricity Meter
    (2023) Musa, Abdulwaheed
    The Internet of Things (IoT) has the potential to revolutionize the way we measure and manage electricity consumption. Increased tariffs and lapses in electricity supply have influenced the need for consumers to effectively monitor and efficiently consume the limited energy. The objective of this paper is to present the design and development of an IoT-based circuitry for smart electricity meters. The method used in the development of the circuitry involves hardware and software. The circuitry is based on a microcontroller and a wireless communication module. The circuitry also consists of a metering unit which measures the energy consumption of the load and sends the data to the microcontroller. The microcontroller is used to collect data about energy usage. The data are sent to both the wireless communication module and an LCD. The wireless communication module is used to transmit the data to a central server and establish a communication link from the meter to the user via SMS. The circuitry was tested in a laboratory setting and the result was found to be accurate and reliable. The development of IoT-based circuitry for smart electricity meters is a promising technology that has the potential to improve the efficiency of the electricity grid and reduce energy consumption.