Make Arduino detect any food item by a simple circuit.
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the idea is simple, if you plug a multimeter to check resistance you will find that every fruit have thier own resistances. I haven't gone into science of it, it was just a one off project when i was learning Arduino back in 2015
sure, there are other better methods. Maybe apply a bit of machine learning to predict based on weight, sugar levels etc. or use computer vision to reinforce the data.
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