Magnetic pole wireless charging

• 1, Central lock remote control failure is what
• 2. Is it possible to use bar magnets as generators to charge mobile phones?
• 3, iPhone12 series price exposure

Central lock remote control failure is what happened

The remote control failure of the central lock is caused by the failure of the remote control key. The main impact of the remote control failure of the central lock is: (1) the vehicle anti-theft function cannot be used normally; (2) Anti-theft system failure; (3) The vehicle door lock cannot be locked normally, resulting in vehicle theft. The main reasons for remote control failure are as follows: (1) anti-theft system failure; (2) Short circuit fault occurs in the line plug; (3) The remote control key has no power.

The failure of the vehicle's central control lock may be due to low battery power orThe circuit contact is poor. The central lock is a part inside the car, and its unlocking and locking are all realized by the remote control button; It basically consists of: car door, door lock actuator, door lock control board, etc.; Vehicle door locks are mainly: four door locks, engine cover locks, tail locks, fuel tank locks, etc.

Possible reasons for the failure of the car central control lock: the battery is out of power or the battery is in poor contact; The time control module of the remote control key fails; The antenna of the remote control transmitter on the car is aging; The front windshield of the car is pasted with explosion-proof solar film, which shields the remote control signal to a certain extent.

In

The failure of the control lock will lead to the failure of the car door lock, and the safety of the car will be reduced when it is traveling, and it needs to be dealt with in time. The causes of this failure are as follows: the motor of the central control lock is aging, the switching line is faulty, the main engine of the central control lock is faulty, and the main motor connecting rod is loose. Depending on the situation, the amount of repair varies from tens to hundreds of dollars.

Vehicle remote control or central control lock failure, the main reasons: remote control key battery insufficient power loss; The remote key operation range should be within the range of the radio transmission device; When the smart key is outside the car and the ignition switch is in the "ACC" or "ON" position, the car is turned offid=' Is it possible to use bar magnets as generators to charge mobile phones? '> Is it possible to use bar magnets as generators to charge mobile phones? In fact, in theory, the use of bar magnets as generators can charge mobile phones. However, I do not recommend magnetic pole wireless charging you do this. Because doing so with the generator you can't guarantee or determine how much voltage it is magnetic pole wireless charge , whether it is stable.

Using a mobile phone magnetic pole wireless charge , no image upload function. But as long as you do it the way I tell you, that's it.

Homemade small generator Method: Make a "U" frame to support your "rotor," which is a permanent bar magnet mounted on a steel shaft. Divide the 60 cm board into three sections, two of which are about 15 cm long and one of which is about 30 cm long. Using nails or screws, two 15cm boards are fixed vertically on 30cm boards to form the base of the rotor bracket.

The purpose of the compass is not to draw iron, but to reflect the magnetic force of the earth.

Because of itThe invention has also greatly improved the power of the generator. Make simple homemade electromagnet: need enameled wire, iron nails to make its body; A battery or power supply provides the current. Note: To scrape the end of the enameled wire paint, or use fire. Wrap the enamelled wire in the same direction.

When the sound passes through the coil in the speaker in the form of audio current, the magnetic field generated by the magnet on the speaker will have a force effect on the coil, and the coil will produce different frequencies of vibration due to the change in the strength of the current, and then drive the paper basin to emit different frequencies and strengths of sound. The paper bowl sends vibrations through the air,And that's what we hear. Household appliances: such as refrigerators, vacuum cleaners have electromagnets.

iPhone12 series price exposure

First of all, the iPhone 12 Mini is priced at $649 (about 4406 yuan) for the 64GB version, $699 (about 4746 yuan) for the 128GB and $799 (about 5425 yuan) for the 256GB version. For the larger iPhone 12, the 64GB version is priced at $749 (about 5The 128GB and 256GB versions are $799 (about 5425 yuan) and $899 (about 6104 yuan), respectively.

In terms of price, the iPhone 12 4-inch 64GB version is expected to cost about 4,870 yuan, while the iPhone 12 Max 64GB 1-inch version will cost 5,567 yuan. The price of the iPhone 12 Pro series is relatively high, the 128GB 1-inch iPhone 12 Pro costs 7,309 yuan, while the largest iPhone 12The Pro Max 128GB version costs 8006 yuan. The 4-inch iPhone 12 will start at $649 and go as high as $699, according to Jon Prosser and AppleRUMORs. For the 1-inch iPhone 12 Max, the price range is $749 to $799; The 1-inch iPhone 12 Pro starts at $999, and the 7-inch iPhone 12 Pro Max is priced at $1,099 and aboveAll official prices are not including tax.

Here are their numbers: The 4-inch iPhone 12 starts at $649 (about 4,625 yuan), and the 1-inch iPhone 12 Max starts at $749 (about 5,338 yuan); The price of the 1-inch iPhone 12 Pro starts from $999 (about 7,119 yuan), and the 7-inch iPhone 12 Pro Max is priced at $1,099 (about 7,832 yuan). All prices are before tax.

Conclusion: iPhoneThe price of the 12 national bank version has been exposed, and all the systems will be equipped with 5G functions, and the starting price is set at 5,499 yuan.

Recently, pricing and configuration information about the iPhone 12 series has been exposed again.