Qiwei zhixin nfc chip opens the new era of the internet of things by the source of the internet of things
Release time:2020-04-20
Nowadays, iot devices have penetrated into the society everywhere. however, the power supply of the power grid is not everywhere, and many iot devices have to rely on battery to supply power. this brings a problem that cannot be solved: when the battery is always inaccurate, the device cannot work if there is no power. for example, the smart door lock at home, although it is usually convenient and easy to use,
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