Is OS_CPU_SR_Save only used in the kernel? I looked at its content and it is about disabling interrupts. Is its function to protect the global variables in the kernel and achieve a mutual exclusion ef...
Qt Quick and QML Introduction : https://training.eeworld.com.cn/course/9The Atmel QTouch library makes it easy for developers to embed capacitive touch buttons, sliders and wheels into common Atmel AT...
[i=s]This post was last edited by Beixiao on 2021-11-13 11:39[/i]I used a series voltage regulator circuit before, and then I saw this circuit. Both circuits can stabilize the voltage, but what is the...
[i=s]This post was last edited by qwqwqw2088 on 2020-1-24 15:03[/i]30 questions in total
1. Opposites in batteries 2. Analysis of low-capacity ideas 3. A brief discussion of Six Sigma Design 4. Severa...
In the power design module, I refer to TI's design circuit. The two power chips are of the same model, and the peripheral resistors and capacitors are calculated using the same formula. Why can one ou...
In this article, the high-performance DSP developed by TI can be used as an effective confidentiality method if it is applied to PC encryption cards.
As an effective network security solution,...[Details]
When choosing a laptop battery, you should consider several factors, such as power, appearance, and quality.
Regarding power, we often see that a manufacturer uses values such as the number ...[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]
Contact resistance
is the resistance to current flow through a closed pair of contacts. This type of measurement is performed on devices such as connectors,
relays
, and switches. The...[Details]
1 Introduction to HART Protocol
HART (Highway Addressable Remote Transducer), an open communication protocol for addressable remote sensor high-speed channels, was launched by Rosemen in the U...[Details]
0 Introduction
In order to improve the automation control of shortwave transmitters, so that they can automatically process from far to near, the technicians here use the ICS system to complete the ...[Details]
Our flight had just begun to descend when a gentleman sitting next to me turned to talk to me about engineering—he had seen me reading an engineering journal. The gentleman next to me said that he ...[Details]
1. The composition and structure of mobile phone lithium battery
Mobile phone lithium batteries are mainly composed of plastic shell upper and lower covers, lithium battery cells, protection c...[Details]
The power consumption of a switching power supply includes fixed losses caused by parasitic resistances such as semiconductor switches, magnetic components, and wiring, as well as switching losses ...[Details]
As we all know, the manufacturing of modern automobiles is divided into four major processes: stamping, welding, painting and assembly, and the powertrain constitutes five inseparable production pr...[Details]
High-definition video surveillance has developed rapidly in recent years, mainly to solve the problem of unclear "details" in normal monitoring. Some cities use high-definition television surveilla...[Details]
1. Don't say "Give me a code" as the first sentence when you see someone else's reply. You should think about why. When you figure it out yourself
and refer to other people
's
tips, you will...[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]
Whether in mobile phones, high-end handheld instruments or embedded systems, 32-bit MCU ARM occupies an increasing share, and ARM has become the de facto industrial standard for high-end products...[Details]
Abstract Audio equalizer is one of the important tools for adjusting the timbre in audio system. This paper proposes a design of digital audio equalizer based on ADSP-BF533 hardware platform, and i...[Details]
Embedded System
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