I made this mug that senses and displays the relative temperature of its contents. More lights means higher temperature. It has a rechargeable battery that's charged through a 5.0V DC jack.
More about it: http://benoztalay.wordpress.com/temperature-sensing-mug
Sorry about the "mug.avi" that shows up at the start, not sure how to get rid of that.
Also, sorry about the goofiness, we were feeling a bit silly at the moment.
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