The basic working principle of RFID technology is not complicated: after the tag enters the magnetic field, it receives the radio frequency signal sent by the reader, and uses the energy obtained from
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There are two explanations: one is more practical and one more scientific. In microwave transmission systems of the 1930s, coaxial transmission lines were initially fabricated in England wit
DC/DC step-down converters (also known as buck switching regulators) are small, efficient devices that can be used to regulate an output voltage powered by a higher input voltage. Covering devices wit