I want to modify a driver and use a register. I found that the physical address of this register has been mapped in another driver. The mapping was done by VirtualAlloc and VirtualCopy. Now I want to ...
There are two integrated operational amplifiers, and their main parameters are shown in the figure: PA78 is priced at 336 yuan, and PA88 is priced at 1437 yuan. Comparing their various parameters, I f...
When I first started designing BLDC circuits, I exploded a lot of MOSFETs. I felt sorry for my boss because MOSFETs are not cheap.The driving circuit is built according to the half-bridge design princ...
[align=center][b][size=4]A good helper for rapid trial production line - Keysight oscilloscope[/size][/b][/align] [align=right][size=3] Manager of Beijing Zhongtian Huayan Technology Co., Ltd.: Zhou Z...
[i=s] This post was last edited by lehuijie on 2018-5-30 15:27 [/i] [size=4] I made an air mouse to participate in the competition. The main processing chip uses the HT32F1656 chip of Hetai. This chip...
[i=s]This post was last edited by book1 on 2021-5-30 07:15[/i]I would like to ask: If we sample once every cycle, once every ten cycles, once every hundred cycles, etc., but sample points at different...
1 Introduction
A wide variety of communication cables and control cables are widely used in various instruments and control equipment. Whether the cable is well-conducted and
whether
th...[Details]
0 Introduction
With the development of my country's economy, the number of motor vehicles continues to increase. The growth of existing roads and other hardware facilities can no longer meet t...[Details]
From the PIC16F946 datasheet, we know that there are two ways to write values to the LCD for display:
1. Directly write the value to LCDDATA1~LCDDATA23
2. Use disconnect t...[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]
MediaTek (2454) announced the acquisition of F-MStar (3697) and attracted the attention of IC design industry. This morning, Gartner Semiconductor Industry Research Director Hong Cenwei analyzed ...[Details]
At very low temperatures, certain metals and alloys lose their resistance to electric
current
and become
superconductors
. Two parameters that are often measured are the transition ...[Details]
Introduction
X1226 has the functions of clock and calendar. The clock relies on hour, minute and second registers to track, and the calendar relies on date, week, month and year registers to tr...[Details]
With the rapid development of wireless
digital communication
, more challenges have been raised for integrated circuit design and testing. In the product design stage, in order to ensure
t...[Details]
Key Points
1. Now, in addition to high-end smartphones and tablets, users also expect to use touch screens in other applications, and they are gradually appearing in cars and instruments.
...[Details]
The launch of Shenzhou IX is imminent, and Tiangong is welcoming visitors again. Yesterday, Professor Fu Qiang, Vice President of the Institute of Science and Industrial Technology of Harbin Instit...[Details]
In order to develop lighting LED technology, developed countries attach great importance to the research of LED testing methods and standards. For example, the National Institute of Standards and T...[Details]
Today, as information becomes an increasingly important resource, strong market demand and the development of microelectronics technology have led to the rapid development of portable electronic sy...[Details]
While we enjoy the great benefits of solid-state technology, the microelectronics at its core rely on clean electricity. Faster speeds and lower voltages mean higher demands on power quality. Power...[Details]
Example of multitasking and resource reuse of programs
There is an electromechanical device with two buttons that control two different parts of the device.
Now the requirement is:
wh...[Details]
The physical interference of dc/dc switching power converters is well known unless the system and circuit diagram are carefully designed. These converters can inject unwanted charge into the electr...[Details]