I was learning PCI programming recently and found the following code on the Internet: char bus;char device; unsigned int ioa0,iod; int scan( ) { bus=0;device=0; for(char i=0;i<5 ;i++) { for(char j=0;j...
The Video 37E inkjet printer often fails to print when working, and sometimes font compression occurs, and then it automatically recovers after some time. Does anyone know what is going on?...
When I was looking at the circuit diagram, I saw a buffer added to the data line between the CPU and FLASH. What is the function of this buffer? Does it improve the driving capability?...
The LCM202DDC I use can display a string of characters, but when displaying custom graphics, it is always garbled or not displayed. I read in the information that CGRAM is required to display custom g...
Both P89C51RC+ and P89C51RD+ are derivatives of the 8-bit 80C51 microcontroller. In addition to fully retaining the framework of the 80C51 instruction system and hardware structure, they have undergon...
I always receive inaccurate data when reading data from the serial port under WINCE6.0 on the s3c6410 board. When I debug, I see that the serial port buffer is not full every time, and there should be...
In early 2002, I started to write a working program for an IC card prepaid electricity meter. The meter used Philips' 8-bit 51-expanded single-chip microcomputer
87LPC764
, and wa...[Details]
As LEDs continue to improve in almost every aspect of performance and cost, LED lighting is being used in an increasingly wide range of applications, among which LED street lights are a focus of in...[Details]
Aromatic gases are widely present in food, medicine, cosmetics and various daily chemical products, such as snacks, liquor, spices, Chinese herbal medicines, plasters, perfumes, soaps, shampoos, et...[Details]
Experimental tasks
A DS18B20 is used to form a temperature measurement system. The temperature measurement accuracy reaches 0.1 degrees. The temperature range is between -20 degrees and +50 de...[Details]
In 2012, more than half of the cars in the European, Japanese and American car markets will be equipped with color displays, navigation systems, satellite communications and other in-vehicle infota...[Details]
At present, the traffic congestion in cities is quite serious. According to relevant news reports: In China, the traffic congestion has expanded from megacities such as Beijing, Shanghai, and Guangzho...[Details]
Abstract: Aiming at the needs of coal-rock acoustic emission signal monitoring system, a data acquisition circuit with 24-bit resolution and 16-channel synchronous data acquisition function is desi...[Details]
D5026A is a driver IC designed by Shanghai Debei Electronics for energy-saving LED display screens. Its design concept is energy-saving and compatible with existing solutions, that is, it can be ...[Details]
Temperature compensated quartz crystal oscillator (TCXO) is widely used as a high-precision frequency source in communication systems, radar navigation systems, precision measurement and control sy...[Details]
1 Battery technology determines the fate of energy vehicles
Regardless of whether new energy vehicles are hybrid or pure electric vehicles, they cannot do without the core technology of batter...[Details]
The power supply is the core component of a computer. Although it is not of high value, all computer components rely on the switching power adapter to provide energy, so the stability of a power su...[Details]
Measurement compatibility
It is very important to ensure the compatibility between the pressure sensor and its actual application. Before making a pressure sensor selection, the fo...[Details]
When developing electronic products with processors, how to improve anti-interference ability and electromagnetic compatibility?
1. The following systems should pay special attention to anti-...[Details]
Stepper motors have been widely used in automatic or semi-automatic equipment such as CNC machine tools, medical equipment, and instruments. The usual way to control stepper motors with computers i...[Details]
The rapid development of the automobile industry has promoted the progress of global machinery, energy and other industries, as well as the development of economy, transportation and other aspects,...[Details]
Embedded System
京公网安备 11010802033920号
EEWORLD
