My phone is ABS-S, and the chipset is: Hi2030E+AVL1108EGa+MAX2119c+3-crystal 12-core panel; the upgrade program is the software of Hi2030E+AVL1108+MAX2119c+3-crystal 12-core panel. After the upgrade, ...
Cause of the problemThe prompt message indicates that there is no Verilog simulation license, indicating that the software usage license has not been obtained.Even if you use a non-free version of Mod...
Principle of oscillometric blood pressure signal detection (a common method of measuring blood pressure)First, inflate the cuff, and the cuff blocks the blood flow signal in the blood vessel. When it ...
When using AD2S1210, I found that the front LDO, model SPX1117-5.0V, was very hot. I couldn't figure it out because the current would not be very large. The LDO input was 12V, and the power consumed w...
I have been in EEW for a long time, but I have not made any earth-shattering contributions. This time I am a moderator, and it is my first time to be a moderator. I will work hard in the future and tr...
Magnetic resonance imaging (MRI) systems for medical and scientific applications require a high-performance, high-power inductor capable of establishing a uniform, strong magnetic field. Transverse el...[Details]
Basic principles of simulation
Simulation is a technology used in the field of embedded system development. It can bring system developers the controllability and visibility needed to integra...[Details]
0 Introduction to the direct method of feedback linearization based on dynamic equilibrium state theory
The basic idea of the direct method of feedback linearization based on dynamic equilib...[Details]
Compared with traditional light sources, light-emitting diodes (LEDs) have many advantages, such as low operating voltage, high energy efficiency, small size and directional light. They can provide...[Details]
DC regulated power supply is a commonly used electronic device, which can ensure stable output voltage when the grid voltage fluctuates or the load changes. A low ripple, high-precision regulated p...[Details]
In a Class D audio power amplifier, the preamplifier is a relatively important module. It is located at the front of the entire topology and completes the processing of the input signal source,...[Details]
Abstract This paper
introduces a wireless radio frequency transmission chip nRF9E5 based on 8051 core. The remote control system of flapping-wing micro-aircraft is made by using this chip. Th...[Details]
1 Introduction to suction laminating machine
Suction laminating machine is a kind of woodworking machinery, which can realize the laminating function of wood boards and other materials. It i...[Details]
Abstract
: This paper introduces the general structure of the driver under the currently popular open source embedded operating system μClinux, as well as the connection between the touch scr...[Details]
For mobile phone products, using low-cost components in design is only the first step to make the price competitive. The cost of the production process, especially the cost incurred during the fina...[Details]
Development Status
Looking at the development of security monitoring technology: from the first generation of analog monitoring, to the second generation of digital monitoring, and then up...[Details]
As process nodes and die sizes continue to shrink, the number of consumer electronic products using flip-chip packaged IC devices is increasing. However, flip-chip packaging manufacturing rules hav...[Details]
With the increasing application of various nonlinear loads, reactive power and harmonic pollution in the power grid have become a very serious problem. In order to eliminate the pollution caused by...[Details]
Temperature measurement and control are extremely important topics in all aspects of industry, agriculture, scientific research, national defense and people's daily life. Temperature measurement sy...[Details]
0 Introduction
Due to the large number and variety of electronic equipment in special vehicles, the limited management capabilities of traditional semi-automatic power distribution methods...[Details]