How to ensure safety during on-site power electronic power supply testing?How to accurately test complex electrical signals, harmonics and efficiency?What to do if the desktop instrument is inconvenie...
Buck ConverterAlso known as a buck converter, it is a single-tube non-isolated DC converter with an output voltage lower than the input voltage.In the figure, Q is a switch tube, and its driving volta...
When we study hardware, we usually come into contact with emulators and programmers:In-Circuit Emulator (ICE) is a hardware device used to debug embedded system software. Embedded system developers ha...
Any transformer has leakage inductance, but the leakage inductance of the switching transformer has a particularly important impact on the performance indicators of the switching power supply . D...[Details]
1 Introduction The data collection part with MSC1210Y5 as the core is placed underwater and works in an unattended self-contained mode. Due to the harsh marine environment, the instrument must have g...[Details]
Recently, at an investor relations event organized by Hikvision, questions such as the company's development trends in the second half of the year, overseas market sales forecasts, and the company's ...[Details]
Spreadtrum Communications (hereinafter referred to as "Spreadtrum"), as one of China's leading core chip suppliers for 2G, 3G and 4G wireless communication terminals, today officially announced the ...[Details]
Manager: “Have you heard anything about this new PoE standard the IEEE committee is discussing?” Employee: “Yes, I just read an interesting blog post on the TI website about this very issue.” Manag...[Details]
In recent years, due to the rapid development of LED technology, the main performance indicators have been greatly improved. At present, the luminous exceeds 200lm/W, and the industrialization le...[Details]
Object resizing and movement Shift-click to select multiple objects, add objects based on the existing selection
(arrow keys) Move the selected object by one pixel
Shift- Mov...[Details]
There are several steps to use when measuring resistance: ① Selection of megohmmeter: Select the voltage and measurement range of the megohmmeter according to different equipment. For electrical equi...[Details]
The results of all interrupts (external interrupts, timer interrupts, etc.) are the same: the running lights light up one by one, when the interrupt is responded, all the running lights go out, a...[Details]
On May 18, according to xiaomiui.net, a new Xiaomi POCO phone with model number 22041216G appeared in the IMEI database. It was revealed that the phone will be named Xiaomi POCO X4 GT and will b...[Details]
Recently, a British High Court judge ruled that Apple infringed two patents of Optis Cellular and ordered it to pay a licensing fee. The value of this fee has not yet been determined, but the m...[Details]
OFweek Cup · OFweek 2023 China
Robot
Industry Annual Selection (abbreviated as OFweek Robot Awards 2023) is jointly organized by OFweek, China's high-tech industry portal, and its authorita...[Details]
Foreign media reported that according to informed sources, Huawei Technologies Co., Ltd. has told US telecom operator Verizon that it should pay licensing fees for more than 200 Huawei patents. In ...[Details]
Recently, Tesla announced its delivery volume in the first quarter of 2019. From January to March 2019, Tesla delivered a total of 63,000 vehicles, an increase of 110% over the same period last year,...[Details]
PC: CentOS5.4
Kernel: Linux 3.0.1
Development board: ok6410
Cross compiler: arm-linux-gcc 4.4.1
1. Make menuconfig to remove the original touch screen driver
- Device D...[Details]