It can be displayed and interrupted, but the key value cannot be read! What is the reason? It was normal before and the program has not been changed. if(!key_INT) { key=ZLG7290_GetKey(); //The value r...
I wrote a gamepad driver joystick.dll in ce. It is written in the registry like this: [HKEY_LOCAL_MACHINE\Drivers\HID\LoadClients\Default\Default\1_5\Joystick] "DLL" = "Joystick.dll" I also want this ...
[color=#ff0000]The chip I use is STC89C58BD, and other chips have not been tested, please verify, [/color] /*--------------------Define buttons-----------------------------------------------*/ sbit K1...
When developing the BSP for arm926, in romInit.s, I am a little confused about the remap part:For example, before remap, after the system is powered on, the ROM address is 0 and the SDRAM address is 0...
It seems that a reference frequency should be set before the ESP430 module is started. For example, if the collected power grid frequency is about 50Hz, then it should be set to 50hz. Now the problem ...
UHF and HF are both general technology categories, but each category has independent supporting protocols. HF is more consistent in the 13.56MHz frequency band, although there are many internation...[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]
Magnetic resonance imaging (MRI) systems for medical and scientific applications require a high-performance, high-power inductor capable of establishing a uniform, strong magnetic field. Transverse el...[Details]
Controller Area Network (CAN) is a type of fieldbus. It is a serial communication network that effectively supports distributed control or real-time control and is recognized as one of the most pro...[Details]
With the rapid development of computer technology, embedded image systems are widely used in office equipment, manufacturing and process design, medical, monitoring, sanitary equipment, transportat...[Details]
Over the past 15 to 20 years, automotive power MOSFETs have evolved from an initial technical topic to a thriving commercial sector. Power MOSFETs were chosen because they can withstand transient ...[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]
At present, the IEEE802.11 wireless LAN standard is widely used in voice communication, wireless office and other fields, but it is still mainly limited to wireless communication on general platfor...[Details]
1. What is fading?
In terms of scope, fading can be roughly divided into three types: large area fading, small area fading and indoor fading. As shown in Figure 1, large area fading refers t...[Details]
Application of TWLA500 in ADC and related fields
FAE: On-site technical support. Provide technical support to customers on the application of the products you sell, and handle quality ...[Details]
The PIC series 8-bit single-chip microcomputer (RISC microcontroller) developed by Microchip Technology Inc. in the United States, especially the microcontroller with built-in second-generation Flash ...[Details]
0 Introduction
One of the basic tasks of machine vision is to obtain image information from the camera and calculate the geometric information of objects in three-dimensional space, so as ...[Details]
0 Introduction
With the continuous progress of society and the improvement of people's living standards, environmental protection and energy conservation have received more and more attention....[Details]
The growing global interest in green power has added new variables to the design of power supplies and power adapters. Designers must not only traditionally consider the design specifications requi...[Details]
1. Overview:
Electronic sphygmomanometers are currently widely used and promoted due to their advantages such as non-invasiveness, simple operation, and portability. There are many methods...[Details]