This is the first technical seminar launched by Huaqing Farsight Embedded Training Center after May 1st. There will be two more special lectures on high-speed embedded and embedded Linux in July and S...
I recently refactored a nandflash driver. After writing the code, I used the mtdutils tool to write a yaffs2 image to nandflash. After dumping it, I found that it was exactly the same as the original ...
for（i=0;i++;i4）
{
GrStringDrawCentered(sContext,str[i], -1,160, 220, 0);
SysCtlDelay(SysCtlClockGet()/3)；}
I want to display the characters in this array in a loop. Now there are 4 characters overlapp...
Microstrip
What is Microstrip?
The problem of wiring layout in low-frequency circuit boards emphasizes the concept of efficient space layout. This is because the impact on production cost is greatly a...
I want to install a program in WENCE to receive data from a network port and send it to the serial port. I want to use EVC to develop it. I know nothing about WINCE application development. Please giv...
Hello everyone: Theschematic diagram is an inverting amplifier. I found that after connecting capacitor C2, there will be a 90-degree phase shift between Vout and Vin.Questions:1. Why does a 90-degree...
In public places such as schools, government agencies, factories and mines, as well as public corridors in residential areas, the phenomenon of long-burning lights is very common, which causes a h...[Details]
Instrument stepper motor
The stepper motor is an open-loop control element that converts electrical pulse signals into angular displacement or linear displacement. In the case of non...[Details]
Vertical cavity surface emitting lasers (VCSELs) are gradually replacing traditional edge emitting lasers, especially in low bandwidth and short-distance communication systems where cost factors ar...[Details]
1 Introduction
Building Automation System (BAS) is a distributed monitoring system (DCS) designed according to distributed information and control theory. It is the result of the mutual de...[Details]
1 Introduction
With the development of control, computer, communication, network technology, etc., a new control technology, namely fieldbus, has emerged in the field of industrial control...[Details]
The automotive lighting and signal control system is responsible for controlling the vehicle's lighting, signal lights, electric horns, reversing and brake buzzers. Traditional automotive lighting...[Details]
The typical fault troubleshooting listed below is for reference of maintenance personnel.
When the computer is turned on, the indicator light is off and there is no screen display
Mainte...[Details]
Since the late 1990s, with the demand for higher system efficiency and lower power consumption, the technological update of telecommunications and data communication equipment has promoted the deve...[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
When it comes to the production of mobile phone lithium-ion batteries, the first thing that comes to mind is Japan's industrialized mechanical assembly line, NOKIO, MOTOLROLA's st...[Details]
Rated capacity refers to the maximum output power of the UPS (the product of voltage V and current A).
Usually, the UPS power supplies sold on the market are marked with "W" (watt) for smaller...[Details]
Features
POE technology can ensure the safety of existing structured cabling while ensuring the normal operation of the existing network and minimizing costs. The IEEE 802.3af standard is ...[Details]
The principles to be followed are as follows:
(1) In terms of component layout, related components should be placed as close as possible. For example, clock generators, crystal oscillat...[Details]
0 Introduction
With the rapid development of modern power electronics technology, various power electronic devices have been widely used in various fields such as power systems, industry, an...[Details]
Today's automotive application developers face numerous design challenges as modern cars add more electronic functionality, while the need for lower power consumption and smaller printed circuit bo...[Details]
Linux and Android
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