① It has the function of reflective ultrasonic distance measurement, and the measuring distance is 0.3m~1.5m; ② It displays the measured distance in real time, and the display format is: several hours...
I looked at the CRC check, it seems very simple, and it was completed in a short time, but the results were not right. I downloaded several programs from the Internet, and the results were also differ...
[align=left][font=微软雅黑][size=4] [/size][/font][/align][align=left][font=微软雅黑][size=4]To make it easier for you to redeem gifts with E coins, we have completely revamped the E coins page. At present, t...
Huaqing Yuanjian Wuhan Huaembed Center will hold a "Special Lecture on Embedded System Design Based on ARM Platform" in cooperation with ARM China at Wuhan University from 1:00 to 5:00 pm on April 24,...
[b]I am not familiar with assembly language, so I would like to ask the experts for advice. [/b] [b]#define archResetLimitBit() asm(bfclr #0x40,SR) // (Does this macro define a function and initialize...
Has anyone made a bit error tester? I am making a bit error tester recently and I am stuck on a problem. The problem is that I need to generate bit errors and then detect them. The code types are NRZ,...
The rapid development of the Internet has realized high-speed information transmission and resource sharing, greatly facilitating people's lives. Embedded systems are widely used in various electr...[Details]
Today's computer peripherals are pursuing high speed and high versatility. In order to meet user needs, seven companies led by Intel launched the USB (Universal Serial Bus) bus protocol in 1994, wh...[Details]
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]
introduction
With the continuous optimization of surface mount technology (SMT) and the rapid development of chip component manufacturing technology, the application of chip mounters in the el...[Details]
1. Introduction
Automobile pollution is one of the most important issues that people are most concerned about and need to solve urgently. As an important method for detecting automobile exhau...[Details]
Analog engineers have traditionally struggled with complexity when designing power supplies that required multiple outputs, dynamic load sharing, hot-swap, or extensive fault-handling capabilities....[Details]
introduction
Solar cells and LED lighting are typical applications of new energy and energy-saving and efficient technologies. Solar LED lighting uses solar cells to convert solar energy...[Details]
The reason for the light decay of white LEDs: the decline of phosphor performance
So far, the rapid decline of the luminous performance of white light LEDs, especially low-power white light LE...[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]
The solidification and modularization of intelligent video analysis algorithms are the current trends in the application of intelligent video analysis technology. It perfectly combines intelligent ...[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]
I. Introduction
Since RS232 has a short communication distance (only 15 meters according to EAT/TAI-232 standard), and can only perform point-to-point communication, it cannot directly f...[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]
Digital array radar (DAR) uses digital beam forming (DBF) in both receiving and transmitting modes to achieve flexible distribution and reception of RF signal power in the airspace, obtain excellent t...[Details]
TC9012F is a universal CMOS large-scale integrated circuit for infrared remote control signal transmission, suitable for remote control of TV, VTR, laser player and other equipment. In the market, ...[Details]