Aug 2026· Journal of Engineering Logic and Modelling Research· 0 citations
Abstract
The design of an autonomously powered wireless sensor node using solar cells has been proposed. The paper described solar energy harvesting system that employs two energy storage devices (super capacitor and battery) to realize a long-lasting wireless sensor node. The solar energy from the solar panel charge the super capacitor while supplying the sensor node and charge the battery when super capacitor is fully charged or when the input current is sufficiently high. In the absence of solar energy the two energy storage devices handle the sensor node alternatively through a switching circuit called power multiplexer (TPS2113A). To extract the maximum solar panel output at all times, LDO03C dc-dc converter was employed at the input. To optimize energy in the system the radio transceiver was configured to transmit data at the lowest power level (-7dBm) and moderate transmission speed (9600bps) as well as using sleep mode for both transceiver and microcontroller. This way the current consumption of the sensor node reduced from the range of 95-100mA to the range of 55-60mA. At the lowest transmitting power the temperature/humidity data was successfully transmitted and received at a distance up to 100 metres with line of sight (LOS) and up to 40 meter without LOS. The energy storage devices were able to power the sensor node successfully from sunset to sunrise.
Wireless sensor networks (WSN) deployed in remote locations face a persistent energy supply challenge, which motivates the use of energy harvesting (EH) combined with battery storage to extend unattended operating life. This study characterizes the DC2509A EH demonstration board, focusing on the battery charging behavi...
O. Setyawati, A. Muttaqin, D. F. Azzuri et al.· 2026 International Conferenc...· 0 citations
This study presents the design and implementation of a solar-powered lithium-ion battery system for powering a 100 W laptop load. The motivation for the work arises from the high cost and limited availability of replacement laptop batteries, as well as the need for a lightweight and reliable backup power solution. The...
Ariyo Ayodeji O., Banjo Olugbenga A., Adewole Adekunle Olu· Journal of Systematic, Evalu...· 0 citations
The increasing demand for real-time monitoring systems has accelerated the adoption of distributed sensors operating in the ultra-low-power regime. However, in retrofittable and hard-to-access applications, providing a continuous external power supply is challenging, while batteries are limited by their lifetime and ma...
Autonomous marine Internet-of-Things (IoT) platforms must preserve sensing and telemetry functions under a limited and weather-dependent energy supply. This paper develops an energy-aware power-management assessment for a multi-parameter smart buoy using only the implemented design parameters and field records of the p...
Dimas Aditya Wiranata, Anton Widodo· Internet of Things and Artif...· 0 citations
The increasing demand for sustainable energy solutions is growing day by day, so this project focuses on using heat loss from electronic and automotive systems to produce electrical energy. The suggested system works by harnessing the Seebeck effect to harvest heat energy and transform it into electricity through the u...
Sathish Devireddy, Vuppala Krithisha, Riya Kumari et al.· International Conference on...· 0 citations
Energy harvesting captures, converts, and man-ages small ambient energy sources, such as thermal, solar, or mechanica, into usable electricity for low-power electronics, notably IoT devices and sensors, reducing battery dependency and maintenance in remote locations. Trees, for example, exhibit a thermal gradient betwe...
Victoria Temoteo de Alencar, Virgínia Vieira Aires, C. D. de Souza· 2026 10th International Symp...· 0 citations
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