" Front-line Engineers' 5G Manuscripts " series of technical articles.
Written by Keysight frontline engineers,
It has been recognized and praised by readers.It should be said that this series of arti...
Realview debugger debugs the Linux kernel, using the multi-ice emulator. Currently, the kernel image can be imported into sdram and run through vmlinux, but the program will run away in the kernel_ini...
[size=16px]I downloaded a SMDK2440A WINCE5.0 BSP from Samsung, and found a problem when I started NBOOT+EBOOT: In the main.c file in EBOOT: void main(void) { // Clear LEDs. // [color=#FF0000] OEMWrite...
I have a development board hyper255B based on Xscale processor pxa255. By looking at the schematic diagram, I found the following: 1. There is a 38 decoder (74LCX138), and the three input terminals of...
Hello everyone, I am a newbie, I want to ask a question, can I use a single chip microcomputer to identify the mobile phone ringtone and system prompt tone? What circuit should I use and how to achiev...
I saw someone else's circuit with a diode IN4007 connected inversely between the b and e of a transistor! Another diode IN4007 connected inversely between the c and e of a transistor! I would like to ...
1. Introduction
RFID (radio frequency identification) is a non-contact automatic identification technology that emerged in the 1990s. It uses the characteristics of radio frequency signal prop...[Details]
Microcontrollers (MCUs), which are widely used in automotive electronics, are rapidly facing time and cost pressures. The main advantage of using MCUs has always been to create high-level system in...[Details]
1. Introduction
This design was made for participating in an electronic design competition. It effectively solved the problem of the operation and control of an electric car on a seesaw. The s...[Details]
With the advent of increasingly powerful processors, image sensors, memory, and other semiconductor devices, as well as the algorithms that enable them, computer vision can be implemented in a wide...[Details]
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]
Electronic systems are located at different points on the automotive power bus and therefore often need to operate under very stringent power requirements. These include load dump, cold crank, very lo...[Details]
With the continuous improvement of the requirements of intelligent building security systems and the continuous improvement of people's safety awareness, indoor anti-theft has gradually attracted peop...[Details]
Instrument stepper motor
The stepper motor is an open-loop control element that converts electrical pulse signals into angular displacement or linear displacement. In the case of non...[Details]
1. Introduction
Testing the temperature of steel billets before rolling is an important measure to ensure the quality of steel. Traditional manual testing is difficult to ensure product qu...[Details]
As people's requirements for safety and comfort in the process of driving cars continue to increase, automotive radars are widely used in the car's adaptive cruise system, collision avoidance syste...[Details]
LED technology has made rapid progress, and improvements in chip design and materials have promoted the development of brighter and more durable light sources, and the scope of light source applica...[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]
Every time I go home and walk up the stairs, I am always scared. The corridor lights are often broken, and no one changes the bulbs, or they are not smart enough and need to be operated manually. E...[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]
introduction
When it comes to the production of mobile phone lithium-ion batteries, the first thing that comes to mind is Japan's industrialized mechanical assembly line, NOKIO, MOTOLROLA's st...[Details]