Logging weight changes


This is a classic example of a well done hack, simply for the sake of hacking. [Jorge] wanted to be able to chart his weight changes.  His solution wasn’t to simply buy a scale that could be hooked to the computer. Those are available and aren’t really that expensive. He could have even used pencil and paper to chart it in a few seconds. Instead, [Jorge] started hacking. He took apart a digital scale he already had and installed his own circuit to display weight and write the values to a CSV. The CSV resides on a removable card which can then be put in his computer to chart the data in openoffice.

source: Hack A Day

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