[i=s]This post was last edited by gaoyang9992006 on 2020-2-16 12:59[/i]Speaking of this board, it was ten years ago. Ten years ago, I just went to Harbin to study and bought a 51 development board in ...
gaoyang9992006Special Edition for Assessment Centres
According to the latest announcement issued by SMIC, the company has signed a cooperation framework document with the Beijing Development Zone Management Committee, and both parties intend to jointly ...
1 IntroductionJPEG2000 is a new generation of international standard for still image compression. It has excellent image compression performance and high image quality. It not only overcomes the disad...
With the advent of smaller and smarter integrated circuits (ICs) in automotive electrical systems, it’s time to start addressing the elephant in the room: Why do we still use relays to control sunroof...
[i=s]This post was last edited by Steve-George on 2022-10-21 17:47[/i]1. Historical Background and Demands
In recent years, fire accidents in large buildings have occurred frequently, causing a large ...
On December 20, Omdia released a report stating that currently, there are five foundry companies that can provide mature production capacity for HV 40nm and 28nm process AMOLED driver chips, includin...[Details]
In recent years, many companies have launched high-speed data acquisition cards, and claim that they can be used in military radar signal analysis, ultrasonic signal analysis, digital broadca...[Details]
PWM Timer PWN: Pulse Width Modulation Each timer has a dedicated 16-bit down counter driven by the timer clock. When the count value of the down counter reaches 0, a timer interrupt request is ge...[Details]
0 Introduction
The timing relay driver template designed in this paper is a plug-in of an embedded SCADA system, called the Intelligent Control Output Board (C-board for short). This device is mai...[Details]
1. Dimming of LED ceiling lights
At present, many well-known LED constant current driver chip companies in the world have spent a lot of effort to develop many chips that can be used ...[Details]
On February 13, the National Energy Administration held a regular press conference in Beijing.
In response to reporters' questions, Liang Changxin, spokesperson of the National Energy Administ...[Details]
Spring is the best season of the year. This spring, the term "new quality productivity" has become the most popular one. On March 28, the Shenzhen International Industrial Manufacturing Technology ...[Details]
News on August 27, today, China Internet Network Information Center (CNNIC) released the 48th "Statistical Report on the Development of China's Internet" (hereinafter referred to as the "Repor...[Details]
The automotive industry is moving towards autonomous driving as major automakers accelerate the adoption of ADAS and autonomous driving features in their cars. Test drives of fully autonomous pass...[Details]
Today, I finally realized that for data of unknown length, serial port 1 receives the command from the host computer, serial port 2 forwards the command to the module, and then receives the module da...[Details]
This paper introduces the detection and control of the vibrating spring for trains by using industrial control computers. It also introduces the composition, working principle, control method and p...[Details]
According to the year-end analysis report on the silicon wafer industry released by its silicon product manufacturers organization, the Semiconductor Industry Association (SEMI) announced today (3), ...[Details]
The resistance of a new dry cell battery is very small, only a few tenths of an ohm. The error when measuring resistance with a multimeter is very large, so a multimeter is generally not used to meas...[Details]
As shown in the figure below, there is a transformer with two sets of positive and negative 13.5V outputs, three on the left and three on the right, a total of 6 outputs. Using diode rectification,...[Details]
pc:Centos5.4
Kernel: Linux 3.0.1
Development board: ok6410
Cross compiler: arm-linux-gcc 4.4.1
LCD Driver
How to write LCD driver?
1. Allocate an fb_info structure: fr...[Details]