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    The integration, function, performance and architecture of single-chip microcomputers have developed rapidly. The switching power supply module can integrate a complete computer application syste...[Details]

　　It is mainly divided into three categories: variable capacitor detection, electrolytic capacitor detection, and fixed capacitor detection. 　　1. Testing of variable capacitors 　　A. Gently rotate th...[Details]

Price Bureaus of all districts, Market Supervision and Administration Bureau of Jiangbei New Area Administrative Committee, and construction and operation units of charging and swapping facilities:...[Details]

A maintenance-free lead-acid battery switch-type dual-level intelligent charger based on UC3906 and UC3823 is designed . This charger can ensure accurate charging of the battery in a wide t...[Details]

0 Introduction LabVIEW is a graphical programming tool with a high degree of visualization. It is the first choice for beginner programmers because of its intuitive, clear, simple and easy-to-learn a...[Details]

At IFA 2019, Huawei HiSilicon's highly anticipated annual mobile chip Kirin 990 was officially released. IFA has always been an important exhibition for Huawei to showcase its technology, and the lat...[Details]

Recently, a research team from the Massachusetts Institute of Technology (MIT) announced that they have developed a new battery electrode that can be used to develop batteries with higher energy dens...[Details]

       Google Pixel 5 was released in the United States on September 30th local time, priced at US$699 (approximately RMB 4,700). 　　The phone uses a 6-inch 90Hz screen, is equipped with a Qualcomm Sn...[Details]

We all know that spectrum analyzers can observe the spectrum and power of signals, and test the spurious, harmonic, and intermodulation distortion functions of the system. Do you really understand th...[Details]

The PWM of the model is not the PWM signal of several KHZ that electronic experts are used to. The frequency used by the model is much slower, but the principle is the same. The PWM frequency of the m...[Details]

Karaoke originated in Japan. The original name is Karaoke, which means "unaccompanied band". Karaoke was originally used as a drum accompaniment for a band. Later, its inventor Daisuke Inoue thought t...[Details]

　　1. No isolation amplifier or insulation amplifier is required 　　The biggest difference between a storage recorder and a digital oscilloscope is whether the input channels and the host and input are...[Details]

On the evening of May 13, Zhang Guoquan, director of Xiaomi's mobile phone system software department, posted on Weibo that the development version of Xiaomi 8 is planned to be launched next week, an...[Details]

void LCD12864Init(void) //LCD12864 font initialization program {  Delay_nms(100); //Delay program greater than 40MS              PSB = 1; //Set to 8BIT parallel port working mode  Delay_nus(1);  R...[Details]

ABB robots are intelligent devices widely used in the field of industrial automation, with high flexibility and reliability. In the programming and operation of ABB robots, movej and movel are two ...[Details]