I used USB to serial port a few days ago but it didn't work, so I bought a PCI serial port card and plugged it into the motherboard. The PCI serial port card has two com ports, and I connected one of ...
[backcolor=rgb(238, 238, 238)][size=12px][font=宋体]Voltage range 2-5V Resolution: 1mV Basic accuracy: ±0.1%+3 characters. The resolution seems to be achievable, but how can this accuracy be achieved? P...
# Loading instances from D:/my_epm_lab/altera_link_modelsim/simulation/modelsim/modelsim_test_v.sdo # Loading timing data from D:/my_epm_lab/altera_link_modelsim/simulation/modelsim/modelsim_test_v.sd...
It has been more than three years since I first made a power supply by myself: from the initial linear power supply (78XX), to the later LDO (TL1963), and to DC-DC (TPS61175, LT1076), although I have ...
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]
Analog engineers have traditionally struggled with complexity when designing power supplies that required multiple outputs, dynamic load sharing, hot-swap, or extensive fault-handling capabilities....[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]
The reason for the light decay of white LEDs: the decline of phosphor performance
So far, the rapid decline of the luminous performance of white light LEDs, especially low-power white light LE...[Details]
Editor's note: In order to help technicians or engineers who have knowledge of PIC microcontroller assembly language quickly master the method of using C language to program PIC microcontrollers, t...[Details]
LED lamps and bulbs are now rapidly replacing incandescent, halogen and CFL (compact fluorescent lamp) light sources in many general lighting applications. Flyback DC/DC converters are the power su...[Details]
Continuity test
A variety of devices need to be checked for continuity, including cable assemblies, printed circuit boards, and connectors to ensure that these components have the expected contin...[Details]
Problems such as the depletion of natural resources, air pollution, traffic congestion, and rising fossil fuel prices have forced societies and individuals to seek alternative means of transportati...[Details]
Motors, especially those with brushes, generate a lot of noise. This noise must be dealt with if the appliance is to meet the requirements of EMC standards. The means to solve EMC are nothing more ...[Details]
Abstract: With the development and construction of BeiDou II system, China will shift from the situation dominated by GPS to the situation dominated by BeiDou II global navigation system independen...[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]
Only a small number of LED manufacturers can produce high-quality LEDs. For applications that are only used for simple indication, low-quality LEDs are sufficient. However, high-quality LEDs must...[Details]
1. Introduction
With the increasing popularity of fully automatic washing machines, consumers have higher and higher requirements for their environmenta...[Details]
At present, how various communication technologies will evolve after 3G is a focus of great concern in the industry. Especially for TD-SCDMA, whether it can achieve smooth evolution to the next gen...[Details]
1 Embedded Systems
Embedded System refers to a collection of computer hardware and software with specific functions or purposes, which is divided into embedded software system and embe...[Details]
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