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Actually, there are units similar to this that update over Infrared (even non-directionally) Best Buy use them as price tags: https://www.youtube.com/watch?v=7
by gtkspert 7y ago
Actually, there are units similar to this that update over Infrared (even non-directionally)
Best Buy use them as price tags:
https://www.youtube.com/watch?v=7aVoeDC-7MA https://www.youtube.com/watch?v=7aVoeDC-7MA
- EvanAnderson 7y agoSimilar insofar as using e-ink, but they're battery operated (from what I can tell). The "coolness" of what I'm talking about would come from being a completely passively-powered device.