While the IoT market is growing rapidly, it is pointed out that these technologies have significant energy problems. As the number of IoT nodes increases, the cloud server always consumes a huge amount of power, and the end node consumes a large amount of sensors and switches. This document describes a batteryless switch for energy harvesting (energy harvesting), which is a solution to solve the energy problems of such large-scale IoT systems.
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On Semiconductor and ZF, a major automotive parts supplier in Germany, designed a reference for an energy harvesting wireless switch using On Semiconductor's Bluetooth 5 certified chip “RSL10 wireless SoC”. This is a mechanism for transmitting a switching signal wirelessly by using a minute electric power generated by a mechanical operation of pressing a switch. The energy required for transmission is 100 μJ, while the energy that can be extracted from the mechanical switch is 300 μJ, which is a sufficient value.
This wireless switch is ideal for smart building management because it is easy to install in addition to reducing energy consumption. In addition, as a consumer lighting switch, wireless and battery-less convenience is evaluated.
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