[align=left][color=#000]Don't you feel great when you walk into a room and the lights turn on automatically? Chances are, the person who pays the electricity bill feels the same way: occupancy sensors...
I spent several days writing a program for a matrix button. It was painful. It was fine to press a single button, but I was not satisfied when I pressed one and then pressed the others. 8*8 matrix, ea...
RT, in WinCE, I want to display a Ctrl icon in the taskbar when I press Ctrl, just like pressing CapsLock. How can I add it? Or, how does the system implement the Capslock icon? Can any expert explain...
I always feel that the picture and the program are a bit wrong. Here is the picture first:Program: #include
#define uchar unsigned char #define uint unsigned int sbit duan=P2^6; sbit key1=P3^2;//Press...
I have been developing microcontrollers for more than a year. I can't be considered an expert, but my basic knowledge of C language is passable. Recently, I want to develop into embedded systems. Can ...
As a natural human-machine interface, voice can make the in-vehicle navigation system safer and more user-friendly. Through the functional comparison of domestic and foreign in-vehicle navigation s...[Details]
With the advancement of computer technology, the development of image processing and pattern recognition methods, fingerprint processing technology has become more mature and has been widely used i...[Details]
0 Introduction
SAA7111 is a programmable video processor produced by Philips. The chip integrates A/D and decoding functions. It has phase lock, automatic clamp, automatic gain control, cl...[Details]
The overcurrent and overheating coordinated protection technology implemented by polymer positive temperature coefficient devices (PPTC) can protect motors, controllers and electronic components in...[Details]
introduction
The data detected by various measuring instruments often need to be transferred to the PC for data processing and archiving, so as to make full use of the rich hardware and softwa...[Details]
introduction
Mobile phones, MP3 players, hard disk players, digital cameras, PDAs and other devices are all controlled by navigation keys. Currently, the more popular navigation key contro...[Details]
introduction
The fall detector is suitable for elderly people and children with poor self-care and self-protection abilities. It senses changes in the body posture of the individual wearing th...[Details]
introduction
Controller Area Network (CAN) is a bus standard proposed by Bosch of Germany to solve the information communication between automotive electronic control units. With its excel...[Details]
0Introduction
As a service robot in the field of medical care, the application of smart wheelchairs makes extensive use of mobile robot technology. The key technologies involved in the researc...[Details]
Electrocardiogram is an important means of diagnosing heart disease. However, due to various reasons, it is difficult to capture abnormal electrocardiograms with ordinary electrocardiographs. Although...[Details]
Abstract: By controlling the supply voltage of the radio frequency (RF) power amplifier (PA) in a CDMA/WCDMA cellular phone, the PA efficiency can be improved, heat generation can be reduced, and t...[Details]
Battery system architecture
For many years, nickel-cadmium batteries and later nickel-metal hydride battery technology have dominated the market. Lithium batteries have only entered ...[Details]
Test equipment manufacturers are constantly challenged to develop new test solutions that meet the latest product testing needs of their customers, and they often design specialized hardware t...[Details]
Although the human eye is very good at distinguishing colors, different people can describe the same color differently, which means that verbal descriptions are not enough in applications that requ...[Details]
Abstract:
Aiming at the problems of repeated design and high cost of existing LED large-screen displays, a modular LED large-screen display is proposed, which can realize flexible configurati...[Details]