HANDLE handle=CreateFile(_T("TTT1:"),GENERIC_READ|GENERIC_WRITE,0,
NULL,OPEN_EXISTING,0,NULL);
ASSERT(handle);
if (handle == INVALID_HANDLE_VALUE) // cannot open the drive
{MessageBox(NULL,_T("CreateF...
Top-e Embedded Popularization Series of Activities: Embedded Linux Driver Development and Employment Guidance Large-scale Technical Lecture (Beijing Station) - Development experts and best-selling boo...
I recently got an electric bicycle driver. I've been looking at it and I've been itching to take it apart to see what's inside. When I saw the [url=https://bbs.eeworld.com.cn/thread-495209-1-1.html]fo...
Design (430/51/host computer software) 1. Hardware related (mainly using msp430 and 51) control class, temperature acquisition class, serial communication class, heat meter class, card product class, ...
Vivi always has errors. The compilation is correct, but it always reports an error: the emulation layer does not support the functionality that is being accessed. Because of the course requirements, i...
[backcolor=white][size=3]With the increasing number of MCU types, the range of our choices is also getting larger and larger. Many friends who used to work on 51 have started to look for new prey for ...
Hardware designers have begun to adopt FPGA technology in high-performance DSP designs because it can provide 10-100 times faster computing than PC-based or microcontroller-based solutions. Previou...[Details]
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]
In recent years, lighting has become an important area that countries around the world are targeting to promote energy conservation and environmental protection. According to statistics, about 20% ...[Details]
12v Lead Acid batteries used in trucks, cars, RVs and uninterruptible power supplies are usually rated at 12V. This circuit monitors the battery, the charge and discharge curves, gives the cu...[Details]
Capacitors
are basic components in various electronic devices and are widely used for bypassing, coupling,
filtering
, tuning, etc. in electronic circuits. However, to use capacitors,...[Details]
According to the Industrial Technology Research Institute of Taiwan, due to factors such as the oil crisis and global warming, the issues of energy conservation and environmental protection have at...[Details]
Abstract: The output of high-range acceleration sensor is less than 10 mV under the excitation of small signal. The noise of traditional test system may cover such small voltage signal, so that hig...[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]
The rectified DC voltage is then converted back to AC using power electronics such as insulated gate bipolar transistors.
The output voltage is switched on and off at a high frequency, control...[Details]
introduction
Steam turbines are driven by high-temperature and high-pressure steam generated by boilers to run at high speed. They are key power equipment in thermal power plants. The emergenc...[Details]
As the global LED market demand continues to increase, my country's LED industry will face huge opportunities in the future. However, the core LED technology and patents are basically monopolized b...[Details]
A few days ago, I bought an 8LED flashlight in the market (the flashlight uses No. 5 batteries). Because I had other things to do, I didn't pay attention when purchasing it. When I got home and use...[Details]
introduction
The core features of mobile value-added service products are mobility, immediacy and personalization. Mobile value-added services are a new service mode that is rapidly developing...[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]