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main idea Takes the form __attribute__((used)) attribute((section ("atcmd"))) advantage: The output channels can be changed freely to realize three-party communication. Register AT commands, just w...[Details]
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There are two key issues in achieving bootstrapping: one is the initial charging of the bootstrap capacitor; the other is that after the bootstrap capacitor is fully charged, the upper arm is ...[Details]
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introduction
The Parametric Acoustic Array is an acoustic emission device that utilizes the nonlinear characteristics of the medium and uses two high-frequency initial waves propagating in...[Details]
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LED Light LED stands for semiconductor light emitting diode, which is made of semiconductor materials. It is a light-emitting device that directly converts electrical energy into light energy and ele...[Details]
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The degradation of battery performance is a natural result of use and aging, but it is also accelerated by lack of maintenance, harsh operating environments, and poor charging practices. The follow...[Details]
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Diode's API9221 is a multi-input lithium battery charger that can use car/wall adapter or USB power. The device includes OVP USB bypass and 4.9V/10mA LDO. USB overvoltage protection 5.4V, wall adap...[Details]
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As OPPO's first dual-mode 5G product, OPPO Reno3 Pro is definitely "powerful". From OPPO Reno2 to the upcoming OPPO Reno3 Pro, the video super anti-shake function has been upgraded to the video ...[Details]
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Mark a indicates that the external environment temperature used by the electric energy meter should be 0~40℃, and the relative humidity should be 95%. a1 indicates that the ambient temperature is 0~4...[Details]
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__interrupt void AWU_IRQHandler(void) { AWU- CSR = AWU- CSR; /* Clear the update interrupt flag*/ } void Enter_Halt() { CLK_DeInit(); AWU_DeInit(); AWU_Cmd(ENABLE); CLK_SlowAc...[Details]
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In the application of single-chip microcomputers, there are many clever techniques and methods. If you are familiar with and master them, they will be very helpful in reducing system resources, reduci...[Details]
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Oscilloscope probes have two wires, one for connecting the test circuit to the vertical amplifier of the oscilloscope (called the sensing wire) and the other for connecting the oscilloscope chassis...[Details]
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1. Electromagnetic interference Electromagnetic interference is referred to as EMI, which includes ESD (electrostatic discharge), EFT (fast transient group pulse effect), Surge (surge effect), etc. E...[Details]
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1 Introduction The use of MIMO systems in wireless communications can increase system capacity exponentially. In recent years, many published articles have mentioned linear single-polarization ar...[Details]
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How to measure diode with pointer multimeter When using a pointer multimeter to measure the forward resistance of a diode, the black probe should be connected to the positive electrode of the dio...[Details]
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Speaking of the "Fast and Furious" series
The first thing that comes to mind is the cool car skills that appear in the play.
Or his classic line “For Family”?
After watching "F...[Details]