P8-552221H

1. Briefly understand ASOC The sound card driver in the embedded system is ASOC (ALSA System on Chip), which is a layer encapsulated on the ALSA driver. It is divided into three parts: Machine, P...[Details]

Earlier, two promotional posters of vivo's sub-brand iQOO's upcoming youth version went viral on the Internet, attracting a lot of attention. The promotional poster shows that the iQOO Youth Editio...[Details]

      Xiaomi Civi is a thin and light 5G mobile phone released by Xiaomi in the second half of this year. It can be said to be the most beautiful model in Xiaomi's history. 　　Today, MIUI pushed the M...[Details]

This article will discuss extensively the technical aspects of applying digital technology to power conversion and management to meet market trends and requirements of different market segment...[Details]

The following points should be clarified when purchasing and ordering ordinary pressure gauges: 1. Appearance name: It should be clear whether it is ordinary pressure gauge, oxygen pressure gauge, el...[Details]

Why are instrumentation amplifiers so often misunderstood? The input offset voltage error of an op amp is not difficult to understand. The definition of op amp open-loop gain has not changed. ...[Details]

# make menuconfig *** Unable to find the ncurses libraries or the *** required header files. *** 'make menuconfig' requires the ncurses libraries. *** *** Install ncurses (ncurses-devel) and try agai...[Details]

The internal 16M crystal oscillator has too much error, resulting in inaccurate baud rate. 9600bps is OK. If you want to use 115200, use an external crystal oscillator. In addition, if the data in ...[Details]

Selection of TVS tube The following points should be noted when calculating and selecting: ①The TVS rated reverse shutdown voltage VWM should be greater than or equal to the maximum opera...[Details]

As a leading domestic optical communication module equipment supplier, Suzhou Xucheng occupies a huge market with its technical advantages of large capacity, miniaturization, low power consumption an...[Details]

1. Ideas and related issues 1. Logical thinking: When key1 is pressed, LED1 lights up. Because the pressing is instantaneous, no while is used, but an if statement is used. When it is released, use w...[Details]

Application of planetary gears These gears are sometimes called "epicycloidal" gears. The points on the rotating planets trace the epicycloidal curve as they rotate. The term "planetary" also ...[Details]

I encountered a lot of problems in the process of developing the driver in the past two days. I don't know how many pure novices like me are in the forum. I will record them and share them with you. ...[Details]

The "Big Three Electrics" drive system of new energy vehicles includes a drive motor, a motor controller, and a reducer. The main function of the drive motor is to provide power for new energy vehi...[Details]

Since 2021, the penetration rate of China's hybrid market, especially plug-in hybrid vehicles (PHEVs), has increased significantly. According to the report, the market penetration rate...[Details]