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  • Simple IR proximity sensor with Arduino

    hi i want to track any valuble devices like keys or etc . i want to add that sensor that device like key or etc . so that i can check how much far from me . In this scenario will it be helpful for me . i have seen that it detects height of a object from the top . but i need sensor which can tell how much distance far from me. can u tell me which device will be help ful for my project.

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