Symbol MC1000: When a MessageBox appears in the current form, when you press the NET key to exit the dialog box, the current form is minimized on the taskbar. Can any experts tell me what the problem ...
Write your own operating system (Part 1) Author: Yi Mei The free software community is a place full of freedom and dreams. In more than 10 years, it has created one miracle after another. However, the...
Recently I wrote a Verilog program, intending to use FPGA to read the time data of the DS1302 chip, and the program compiled successfully. However, I did not observe the data being read from the port ...
The USB host component was successfully loaded, and the USB printer and mass storage were also OK. After loading the HID, I added the mouse and keyboard. The mouse can be used, but the keyboard cannot...
[i=s]This post was last edited by agdhun on 2017-5-23 07:40[/i] It has basically been published on Xianyu: micokit3165: [url=https://2.taobao.com/item.htm?id=551200988522]https://2.taobao.com/item.htm...
When testing the microcontroller serial port input and output function: The code is as follows: org 0000H AJMP START org 0023h AJMP SERIAL ;Go to serial port interrupt processing function ORG 30H STAR...
At present, the development of wireless power supply technology for electric vehicles (EVs) is becoming more and more active. In 2012, Volvo of Sweden established Volvo Technology Japan in Tokyo as...[Details]
1 Introduction
A wide variety of communication cables and control cables are widely used in various instruments and control equipment. Whether the cable is well-conducted and
whether
th...[Details]
Today, with the increasing integration of functions, mobile phones can also be used as portable media players (PMP), digital cameras, handheld computers (PDAs), and even global positioning systems ...[Details]
Automotive applications are particularly sensitive to EMI events, which are unavoidable in a noisy electrical environment consisting of a central battery, bundled wiring harnesses, various inductiv...[Details]
introduction
Throughout the history of automotive lighting, power has always played an important role. Initially, cars only needed headlights to see the road in the dark. Later, other light so...[Details]
In order to highlight the concept of "energy saving and environmental protection" of intelligent buildings, solar street lights are designed for intelligent communities. The inclination and capacit...[Details]
Although it is relatively easy to check the stability of a simple amplifier at lower frequencies, it may be much more difficult to evaluate the stability of a more complex circuit. This artic...[Details]
1 Introduction
PROFIBUS is an international, open, and manufacturer-independent fieldbus standard. It is widely used in manufacturing automation, process industry automation, and automatio...[Details]
MediaTek (2454) announced the acquisition of F-MStar (3697) and attracted the attention of IC design industry. This morning, Gartner Semiconductor Industry Research Director Hong Cenwei analyzed ...[Details]
I've been studying dot matrix recently. It looks simple, but it takes a while to master it completely! The 8*8 dot matrix hardware circuit I'm making now is like this. The row is driven by 74HC138 + t...[Details]
Introduction
X1226 has the functions of clock and calendar. The clock relies on hour, minute and second registers to track, and the calendar relies on date, week, month and year registers to tr...[Details]
0 Introduction
Under normal circumstances, the three-phase power in the power system is symmetrical, and they meet certain amplitude and phase conditions; but when the load changes, the syst...[Details]
In order to develop lighting LED technology, developed countries attach great importance to the research of LED testing methods and standards. For example, the National Institute of Standards and T...[Details]
1. Electromagnetic compatibility design
Electromagnetic compatibility refers to the ability of electronic equipment to work in a coordinated and effective manner in various electromagnetic env...[Details]
Modern communication equipment, portable electronic products, laptops, electric vehicles, small satellites, etc. generally use batteries as power sources and are widely used. However, the batteries...[Details]