I used max232cpe to make a serial burner, mainly to burn STC51 microcontroller, but it just doesn't work. I saw in max232 that the capacitors around max232 are 1u, and the capacitors used by max232A a...
My development environment is VS2005, and I use PocketPC2003. The code is as follows: #include "ddraw.h" #pragma comment(lib,"ddraw.lib") [i]...... IDirectDraw* pclDirectDraw; if (FAILED(DirectDrawCre...
I set the HPIC register to 0x0B0B in my dsp, which generates a HINT interrupt, but the HINT pin is always high when I use a meter to measure it. Do I need to make relevant settings in the Interrupt Ev...
Question: 1. How to define a global variable that can be used in multiple source files? 2. Can I define it at the beginning of the source file where the main function is located? Thank you!...
Author: Chen Jie and Zheng Yuquan, School of Automation and Electrical Engineering, Beijing University of Aeronautics and Astronautics This article introduces a simple, easy-to-use and reliable on/off...
Hey brothers, I wrote a simple program but it cannot execute at tt==20. Can an expert help me? Thank you#include#define uint unsigned int#define uchar unsigned charuchar num,tt;uchar ta××e[]={0xc0,0xf...
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]
introduction
For the voltage regulator modules (VRMs) that power the latest computer central processing units (CPUs), power supply designers have historically used multiphase interleaved b...[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]
1. Overview
The Virtual CAN Interface (VCI) function library is an application program interface specifically provided for the use of ZLGCAN devices on PCs. The functions in the library ar...[Details]
Product series: PB-B-RS232/485 interface (hereinafter sometimes referred to as "interface") is a product in the PROFIBUS bus bridge series.
The main purpose of the bridge series ...[Details]
1 Introduction
Intelligent control instruments are one of the most commonly used controllers in industrial control. They are mainly aimed at a specific parameter (such as pressure, tempera...[Details]
1. Project Introduction
Shandong Dezhou Xingtai Paper Co., Ltd. is a newly built high-end paperboard production enterprise with domestic leading level established by Shandong Zhaodongfang Pape...[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]
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: 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]
With the widespread application of new services and technologies in the communications industry, the scale and capacity of operators' network construction are getting larger and larger, and the ris...[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]
LED is the abbreviation of the English word. Its main meanings are: LED = Light Emitting Diode, a solid-state semiconductor device that can convert electrical energy into visible light. It can dire...[Details]