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I've created a wireless parking space sensor using a specific microcontroller and other components. I'm sure the same components used can be utilized in a different manner by others just with a change of firmware so I was wondering:

  • What exactly is patentable?

  • Would it be the combination of components with dimensions of PCB board?

  • Would it be just the firmware programmed on the microcontroller?

  • Would it be the specific purpose for the combination of components and firmware?

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The list of part numbers and the size of the board would not define an invention. You might think of it at a block diagram level. A complete system can be patentable, a method of accomplishing something specific with the device might be patentable. The specific micro controller isn't very relevant unless you are able to do something with a very slow, cheap part that others can only do with a very expensive part, for example. –  George White Apr 24 at 20:57

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