Introduction The Internet of Things (IoT) is quickly becoming a reality. It is a network based on wireless sensor nodes that provide resources and information for various industries, from health care and retail to automotive and transportation. While these sensor nodes offer a wealth of data, their longevity is dependent on their battery life. For the long-lasting use of IoT devices, their batteries must be replaced, or a number of power line connections with complex wiring are required. This is particularly challenging when sensors are installed in geographically inaccessible areas. Replacing batteries or connecting long power lines is time-consuming, dangerous, and costly. The Need for IoT Solutions This is why there is an urgent need for reliable and cost-effective solutions for IoT devices. As the number of IoT devices increases over time, the need for these solutions becomes even greater. Solutions that provide reliable power sources for these devices must be found in order to get the most out of them. In addition, these solutions must be simple, safe, and cost-effective. Advantages of Renewable Energy Sources One of the most promising solutions is harnessing renewable energy sources such as solar, wind, and hydropower. These sources are becoming more popular, as they are widely available, particularly in remote locations. Solar and wind power are the most popular renewable energy sources for powering IoT devices. Solar power offers the advantage of being able to be stored and used even after the sun has set. Wind power is also becoming increasingly more practical, as more wind turbines are being developed and installed. Harnessing renewable energy sources for IoT devices offers a number of advantages, including being cost-effective, cost-efficient, reliable, and safe. Solar and wind power are also renewable and clean sources of energy. This means they do not produce any pollutants that harm the environment. Additionally, solar and wind power require little to no maintenance, as they do not require any fuel to operate. Challenges to Harnessing Renewable Energy Sources While renewable energy sources have numerous advantages, there are also a few challenges that must be addressed when harnessing them for use in IoT devices. First, the cost of installing and maintaining these systems can be high. Wind turbines, for example, are expensive to install and maintain. Additionally, the amount of power generated by these sources is unpredictable and dependent on the weather. This can lead to power fluctuations and unstable power supply, which can be detrimental to IoT devices. Conclusion Harnessing renewable energy sources is a promising and cost-effective solution for powering IoT devices. Solar and wind power are two of the most popular renewable energy sources, as they are widely available, clean, and require little to no maintenance. While there are a few challenges to harnessing these sources, such as high costs and unpredictable power output, these sources still offer a number of advantages. With further development and research, renewable energy sources can play an important role in powering IoT devices in geographically inaccessible areas.
https://www.lifetechnology.com/blogs/life-technology-technology-news/development-of-a-self-resonant-smart-energy-harvester
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