Handling the input.

Having worked out the scope of the language we may be dealing with: 100's of icons in many combined groupings, the initial thoughts of RFID have gone out of the window: readers are too costly to implement multiple times, and mutli-tag readers are expensive. RFID was an interesting possibility initially as we though we may be able to locate the tags within a 3D space, but that's also a bit more expensive, and not as accurate, as initially imagined.

Increasingly, however, the language seems to have developed into one of placing items together to make the map, and I've been thinking about these as some form of network. Having been searching around for similar ideas to RFID, I was reminded of iButtons. I'm going to look at how iButtons and 1-Wire Networks might be used to identify each of the components of the language.

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