The Internet of Things (IoT) stands for the extension of the internet beyond computers and smartphones to a broader scope of devices that gather, generate, and send information back and forth.    It is estimated that as of 2018, there are around 7 billion connected appliances that fall into the category of IoT, and this number is expected to reach 22 billion by 2025. From an economic perspective, it makes sense to ensure that most of these devices are autonomous and using photovoltaic ene...