Re: Is it possible to transfer data by using light
Re: Is it possible to transfer data by using light
- Subject: Re: Is it possible to transfer data by using light
- From: Greg Weston <email@hidden>
- Date: Thu, 17 Sep 2015 06:10:09 -0400
> This toy can connect to the iphone's network by detecting the blinking
> screen of an iPhone. I wonder if it is possible that using this technique
> to transfer data.
Absolutely. Such techniques have been used for 150 years, using lamps or reflected sunlight to send Morse-like codes to human observers. Consumer computer applications date back at least 20 years, such as the Timex Datalink watch.
As a practical matter, this is the same task as interpreting a 1D barcode, such as a UPC label.
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