[i=s] This post was last edited by paulhyde on 2014-9-15 03:01 [/i] :) List of national awards~~ everyone can check if there are any winners :) [[i] This post was last edited by Hai'an Wei on 2013-9-2...
At present, the program opens the serial port 1, lights up the light, and the burned hex is tested by stm32f103 and sm32f101c6t6. It can be reset, but 101ret6 does not reset. . . It has tortured me fo...
PFC is not a new concept. It is widely used in UPS power supplies, but PFC circuits are rarely seen in PC power supplies. The rise of PFC in PC power supplies is mainly due to CCC certification . All ...
My boss told me to use isp1161 to develop a USB with both host and device sides. However, I just graduated and I looked online and found that USB is not easy to develop. I hope someone with developmen...
Source: http://www.51c51.com/bbs/dispbbs.asp?boardid=6&replyid=200397&id=34655&page=1&skin=0&Star=1 We know that if a 12MHz clock is used, the maximum delay of the 51 timer counter is 65536us. In orde...
Check the logical connection diagram of the X-NUCLEO-IKS01A2 development board, see Figure 21. X-NUCLEO-IKS01A2 occupies Arduino's A2, A3; D4, D5, D6, D14, D15 and D2 work 8 analog digital ports, the ...
System design is a complex process. It is not enough to just use ICs. There are many details to consider. This article uses a high-fidelity music playback system as an example to introduce how to s...[Details]
In public places such as schools, government agencies, factories and mines, as well as public corridors in residential areas, the phenomenon of long-burning lights is very common, which causes a h...[Details]
To differentiate their products in a crowded and competitive market, manufacturers of handheld devices often consider battery life and power management as key selling points for cell phones, PDAs, ...[Details]
July 11, 2012, Beijing - Altera Corporation (NASDAQ: ALTR) today announced the launch of 40-Gbps Ethernet (40GbE) and 100-Gbps Ethernet (100GbE) intellectual property (IP) core products. These core...[Details]
In the single-chip microcomputer system, in addition to display devices, sound devices are often used, and the most common sound device is the buzzer. Buzzers are generally used for some low-demand...[Details]
VP2188 is a color STN LCD module produced by Jingdian Pengyuan. This module is a dot matrix transmissive color STN display screen with a color scale of 65 k colors and white LED backlight. Its core...[Details]
OC faults may be the most frequent and the most frequent of all faults in the inverter. They alarm during the startup process, during the shutdown process, during operation, and even when powered o...[Details]
Preface
In recent years, white light LEDs have gradually replaced incandescent bulbs and fluorescent lamps because they have unparalleled advantages over traditional light sources in terms...[Details]
Since the late 1990s, with the demand for higher system efficiency and lower power consumption, the technological update of telecommunications and data communication equipment has promoted the deve...[Details]
Liquid crystal display (LCD) panels have a wide range of applications, from small portable electronic devices to large fixed devices, including digital cameras, laptops, personal data assistants, d...[Details]
0 Introduction
With the rapid development of social economy and science and technology, electric locomotives, subways and electric vehicles will be widely used. The power conversion and cont...[Details]
In the "digital pressure measurement" experimental device of applied physics, the subject technical knowledge of analog circuits, digital circuits, sensors and single-chip microcomputers is used. In o...[Details]
When the so-called "copycat phones" that flood the domestic mobile phone market move towards large screens, stereo amplifiers, touch controls, and even GPS navigation and mobile TV, the homogeneity...[Details]
People who often surf the Internet until late at night, their families always complain that turning on the big lights in the living room affects their rest, but some people don't have keyboard ligh...[Details]
Rated capacity refers to the maximum output power of the UPS (the product of voltage V and current A).
Usually, the UPS power supplies sold on the market are marked with "W" (watt) for smaller...[Details]