The manual is kinda fun .. it's chinese and bad english .. but the last page shows some extended characters, one of which is a solid black square, so I might be able to do QR codes on self-adhesive paper. Extra checksums plz!
Some of the docs mention RS232, so I'm gonna pack a usb-to-db9 connector with me. They also mention useful configuration bits for running on battery power, so we're in the right neighborhood for a battery-powered application. Hey and the example code is for Processing! Plus, there's a link to some good-looking Arduino hackery. I think we'll hit the ground running!
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