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The release of the TI Chronos development kit is exciting not only because it is a cool piece of hardware, but I expect to see many great projects that cleverly exploit the resources of the Chronos. This nifty hack wirelessly unlocks a door using the built-in accelerometer to detect coded taps on the watch.

[via Hack a Day]


Kipp Bradford

Kipp Bradford is a technology consultant and entrepreneur with a passion for making things. He is the Senior Design Engineer and Lecturer in Engineering at Brown University, where he teaches several engineering design and entrepreneurship courses. Kipp is also on the Technical Advisory Board for Make Magazine.



  1. pff says:

    looks quite dangerous really.
    definitely would not want one of those on my door when the batteries die and there’s a fire in the building

    1. Kipp Bradford says:

      If you read the comments on their website, they had already acknowledged that concern and were working to address it.

      1. pff says:

        well if its being addressed then thats allright then!
        ill go and put one on every door of my house!
        aslong as its being addressed.