I think that one day, all food cupboards & fridges/freezers will be smart. All products will have an RFID or video recognisable label which will update a list of product usage. Your local supermarket will gather this information & replenish your products as required – who knows ??
Anyhow, I wanted to make my own Internet of Things and I wanted it to be useful!
So, I came up with the idea of ‘How much milk is in my fridge’. Well, now I can go on the Internet and see ! -very handy when out shopping :-). I use a load cell to weigh the milk & an oled display for status.
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