A while ago Casio came up with a new approach to sharing data and messages on a mobile device. Instead of a wireless data connection, it uses the camera to read and decode a multi-colored flashing light, not unlike morse code. More »
PicapiCamera, developed by Casio, is the world’s first iPhone app which uses visible light communication technology.
To send and receive data via the app, the message to be sent is encoded using red, green and blue flashing lights and shown on the display. The receiver points their iPhone at the flashing lights and the data is transferred.
“There are two approaches to communication using visible light. One is to embed data in the light from illumination sources, by turning it on and …
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