The coil of the capacitive pen not only effectively prevents damage from hard objects to the mobile phone screen, but also has high practicality and sensitivity···
Wireless charging coil refers to a charger that is not connected to the terminal device that needs to be charged through a traditional charging power cord···
The reading pen can make relevant sounds by clicking and pressing on different parts of the book, or by clicking on the same place to read and make sound···
Maglev is the use of magnetic force to overcome gravity and suspend objects, but it is not easy to achieve, mainly because there is no stable equilibrium point···
The principle of wireless charging coil for mobile phones is also very simple. The transmitter converts electrical energy into electromagnetic waves and emits them···
Inductance coil is an important component of inductive devices, and its unique characteristics make it play an irreplaceable role in various electronic devices···
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