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A comment on A Near-Ultrasound (NUS) Data Link.
2 devices with a single LED on each can establish half-duplex wireless communication based on light impulses. I think that is a much more efficient and cheap way to transport configuration settings or even an entire program.
2 devices with a single LED on each can establish half-duplex wireless communication based on light impulses. I think that is a much more efficient and cheap way to transport configuration settings or even an entire program.