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Introduction
With the continuous progress and development of science and technology, people have put forward higher requirements for the quality of life. As a new body, home network is getting ...[Details]
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This article uses the following environment: Main control: W801 (development board) Compatible with: W800 AIR101 Software: CDK W801 Bluetooth data transmission and reception and control design (I) ...[Details]
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Will the car key, which has a history of a hundred years, ever disappear one day? 1916 The first car equipped with a car key The Cadillac Type 53 uses a ignition key instead of a starter...[Details]
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Recently, ZTE launched the Blade 20 5G. This phone is very similar to the ZTE Blade A7s 2020 4G in design. The Blade 20 5G looks like a 5G version of the A7s. The Blade 20 5G is equipped with a 6.5...[Details]
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IGBT (Insulated Gate Bipolar Transistor) is a new type of power electronic device that uses MOS to control transistors. It has the characteristics of high voltage, large current, high frequenc...[Details]
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The motor drives at low speed and high torque with small torque fluctuation, so there is no need to pursue a high decoupling rate when arranging the suspension, and the focus should be on limiting ...[Details]
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Apple has failed in its bid to reduce the patent infringement fees it owes VirnetX, losing an appeal that could have vacated or reduced $502.8 million in damages,media reported. A federal judge tod...[Details]
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1. Main use: The medical protective mask gas exchange pressure difference tester is suitable for the measurement of the gas exchange pressure difference of medical surgical masks, and can also be use...[Details]
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Touch screen classification: Resistive: accurate positioning, single-point touch Capacitive induction: Capacitive induction: supports multi-touch, but is more expensive. Most widely used in industr...[Details]
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1.1 ARM serial port output function uart_printf It would be very convenient if ARM could use the printf function format that comes with the C function library, but the default printf is located at ...[Details]
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The Qichacha App shows that on May 18, Huawei Technologies Co., Ltd. disclosed a patent for "a display method for an electronic device with a flexible screen and an electronic device", with publ...[Details]
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As mobile phones and other portable electronic devices become more advanced, the amount of power consumed by systems in both active and standby states is increasing. As a result, power management d...[Details]
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introduction Since its establishment, the global positioning system (GPS) has been widely used and played a huge role in aerospace, military, economy, communications, electric power, transportation a...[Details]
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1 LC Resonance Amplifier Principle
As shown in Figure 1, it is a principle circuit of a high-frequency power amplifier using transistors. In addition to the bias circuit and power supply, it is m...[Details]
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1. Prevent over-discharge
After the battery is discharged to the termination voltage, continuing to discharge is called over-discharge.
Over-discharge will seriously damage the battery ...[Details]
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