MSP430F135 chip, blank chip and chip with correct program can be programmed by BSL.However, after the interrupt vector table is changed (such as filling 0xFFE0 to 0xFFFF with 00H),BSL can no longer be...
My device does not have a sound card, but only a buzzer. I wrote a buzzer driver. How do I implement the function MessageBeep() in WINCE? What functions and information does MessageBeep() call? Please...
[backcolor=white][font=宋体][size=4]The 2013 National College Student Electronic Design Competition Comprehensive Evaluation Question uses the 555 chip on the comprehensive test board specified in the q...
October 21, 2008 02:51 [url=http://www.nanfangdaily.com.cn/jj][color=#cc0000]21st Century Business Herald[/color][/url] [color=#cc0000][/color] Huang Jie, our reporter[font=楷体_GB2312]Semiconductor lay...
1. Introduction
RFID (radio frequency identification) is a non-contact automatic identification technology that emerged in the 1990s. It uses the characteristics of radio frequency signal prop...[Details]
As a wireless broadband metropolitan area network standard, WiMAX technology has greater advantages than previous 3.5GHz MMDS products in terms of non-line-of-sight transmission and spectrum utiliz...[Details]
0. Introduction
In daily life, we often see some special-purpose vehicles. When these vehicles pass through intersections, they often obtain the right of way at intersections by temporarily op...[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]
Electronic systems are located at different points on the automotive power bus and therefore often need to operate under very stringent power requirements. These include load dump, cold crank, very lo...[Details]
In the previous series, we have listed some basic knowledge of C language in Tables 1 to 3. We hope that beginners can strengthen their memory of the above tables and gradually learn to use them wh...[Details]
1. Introduction
Testing the temperature of steel billets before rolling is an important measure to ensure the quality of steel. Traditional manual testing is difficult to ensure product qu...[Details]
On the afternoon of July 10, Beijing time, Taiwan's largest chip designer MediaTek expects its smartphone chip shipments to grow by double digits in the third quarter of this year, and the company is ...[Details]
LED is now known as the fourth generation of light sources. High-power LED has many advantages over traditional light sources in outdoor lighting.
1 LED lamps have high light efficiency
C...[Details]
summary
This article will briefly analyze the success and shortcomings of high-frequency DC-DC switching power supplies in the process of miniaturization (the second basic goal), and propose m...[Details]
This article focuses on closing the feedback loop of an isolated power supply using a TL431 shunt regulator. The article discusses a method to extend the bandwidth of the power supply control loop ...[Details]
Multimedia processors are often the most power-hungry devices in portable electronic devices. Common ways to reduce CPU power requirements are to reduce clock frequency or operating voltage, but th...[Details]
1 Introduction to the overall system solution
The hardware part is mainly used to amplify the sound. When the sound is loud enough, the signal can be introduced into the microcontroller for de...[Details]
Introduction
Temperature and humidity control are widely used in people's production and life. People use thermometers and hygrometers to collect temperature and humidity, and control temperatu...[Details]
0 Introduction
The load with impact (rapid change) power in the power system will cause the voltage fluctuation and flicker of the power grid, causing many electrical equipment to fail to wo...[Details]