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LED optical communication

Time: 2021-08-13 View: 631

Under normal circumstances, smart devices need to rely on Bluetooth or WiFi networks for communication. The problem is that WiFi networks are not always available, and Bluetooth consumes battery quickly. These facts have led Disney researchers to find new ways to allow devices to communicate with each other through LED lights. As you might imagine, the researchers first let the toy with the built-in LED light communicate. The built-in photodiode of the LED can not only emit light, but also detect light.

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