As the title says. I am using CE5.0, and the LCD driver architecture is based on ddraw. At the beginning, GWES loaded the LCD driver library, and there was no problem in running and entering the deskt...
[i=s] This post was last edited by dontium on 2015-1-23 11:33 [/i] When opa690 is used for small signal input, the high frequency performance is not good after the amplification factor exceeds 101. Wh...
Power supply design that achieves low leakage current while maintaining EMI performance In AC-DC switching power supplies, the main source of leakage current is the Y-type capacitor. By using transfor...
[size=3]It is generally acknowledged that engineers have high work pressure. As the [b][color=#800080]technology[/color][/b] update cycle shortens, the pressure is getting higher and higher. If you ar...
Seeing the word "instrument", people will easily think of commonly used test instruments in laboratories such as ammeters, voltmeters, and oscilloscopes. This course is not about discussing these gene...
A controller has 5 wires, namely GND, two inputs, and two outputs. How to connect the input and output to the transistor side and diode side of the TLP521-4 optocoupler? Please give me the PCB schemat...
With the promotion of the construction of intelligent communities in the country, anti-theft systems have become essential equipment for intelligent communities. Especially in recent years, the urg...[Details]
This program is written to simulate the serial port hardware mechanism. When used, a timed interrupt can be set with a time interval of 1/4 baud rate. The receiving function is called once for ea...[Details]
introduction
Since the beginning of the 21st century, the world of information has changed rapidly. Maybe a high-tech product will be released today and a better similar product will be releas...[Details]
1. Overview
Will passive devices
produce nonlinear intermodulation distortion? The answer is yes! Although there is no systematic theoretical analysis, it has been found in engineerin...[Details]
DSP (digital signal processor) is used more and more frequently in today's engineering applications. There are three main reasons for this: first, it has powerful computing power and is capable of ...[Details]
With the advocacy and implementation of the government's Safe City Plan, the security market has increasingly higher requirements for the clarity of surveillance images. Imagine that after a case o...[Details]
We know that the inverter consists of two parts: the main circuit and the control circuit. Due to the nonlinearity of the main circuit (switching action), the inverter itself is a source of harmoni...[Details]
Introduction
In industrial control, speed measurement is often required. Generally, a contact tachometer is used. This tachometer must be placed against the center of the shaft to measure. It...[Details]
Currently, each country is developing its own USB interface
charging specifications
, which leads to a major problem that a USB interface
charging
device manufactured in one country...[Details]
introduction
LEDs continue to gain popularity in automotive applications, thanks to their long lifespan and the flexibility they offer for body styling and interior design. Some may be surpris...[Details]
1 Overview
In the field of traditional lighting, the concepts and definitions of lamps and lamps are clear. Lamps and lamps have their own applicable product standards, supporting technical st...[Details]
The production process of lithium batteries does not mention the previous processes such as material preparation, winding, liquid injection, and packaging, but only talks about the final formation ...[Details]
1. Tips for charging UPS for the first time
After purchasing a new UPS, plug the UPS into the 220V mains power grid and charge it for at least 12 hours to ensure that the battery is fully char...[Details]
The overall operating performance of an electric car depends first on its battery system and motor drive system. The drive system of an electric car is generally composed of three main parts: a con...[Details]
Introduction
my country's rapid economic growth is mainly due to the development of manufacturing and the acceleration of urbanization. However, urbanization cannot be achieved at the expense ...[Details]
Embedded System
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