We have lots of misplaced file folder in our library and I am think of using barcode sensor or any device that I can search for this misplace folder. Need some advise for a solution
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Short answer to your questions, yes there are multiple ways to achieve this. It could be barcode, blue tooth finders, preset locations etc. Depends on how much you want to spend.
We teach Arduino and other courses http://appxone.com/atc/electronic-course/ So that's definitely we will deliver.However we need details before we commit. Thanks Zulfiqar