Quite interesting capability for IOT systems
Low battery icon NUS Engineers Invent Smart Microchip That Can Self-Start, Operate When Battery Runs Out In AlphaGalileo
National University of Singapore (NUS) researchers have developed the BATLESS microchip, which can continue to function even when its battery is depleted. BATLESS can self-start and continue operating under dim illumination without any battery assistance via a small on-chip solar cell. This milestone reduces the size of batteries for powering Internet of Things (IoT) sensor nodes, making them 10 times smaller and less expensive to manufacture. BATLESS is able to sense, process, capture, and timestamp events of interest without interruption, and to wirelessly send such data to the cloud when the battery becomes available again. Despite being in minimum-power mode when the battery is unavailable, the lower speed of the microchip remains sufficient for many IoT applications that must sense parameters that vary slowly. BATLESS' self-starting power management method was demonstrated at 50-lux indoor light intensity, which is equal to the dim light available at twilight, and corresponds to nanoWatts of power. ... "
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