I have a Fedora-14-i386 system. I changed the etc/grub.conf file, which caused the system to fail to boot. How can I fix this problem? How can I change this file back?...
Driven by the LCD market, the LED backlight industry is booming. With the continuous improvement of display technology, the huge LED market is destined to develop it into a huge industry.
After year...
I'm learning about msp430f149 recently. I don't quite understand the role of TACLR. My understanding is that TACCR0 is 0 by default when powered on, so there is no need to clear it. And clearing TAR w...
1. Make a high-frequency voltmeter. I searched online, but found that a high-frequency instrument is really not cheap. You need to spend tens of thousands to buy an older instrument. I had no choice b...
The smart crutch project has been completed for a long time. In this post, I will continue to share related design videos and upload them. After all, I am not an expert in the server part. If there ar...
[i=s]This post was last edited by Daqin Zhengsheng on 2018-10-13 14:59[/i] 1. System Introduction My entry uses the official GD32F350 evaluation board of GigaDevice. The upright balancing car uses an ...
This program is written to simulate the serial port hardware mechanism. When used, a timed interrupt can be set with a time interval of 1/4 baud rate. The receiving function is called once for ea...[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]
DSP (digital signal processor) is used more and more frequently in today's engineering applications. There are three main reasons for this: first, it has powerful computing power and is capable of ...[Details]
This paper establishes a fuel cell engine test platform based on the NI integrated hardware and software environment. This platform can realize the test and control of fuel cell engines and their a...[Details]
A standard cell
is an electrochemical
cell
used as a voltage reference standard in many electrical standards laboratories
. If properly maintained, standard cells are very stable. The ...[Details]
Nippon Electric Works and Volvo Technology Japan have developed a wireless power supply system for electric vehicles (EVs). Using this system, the two companies have successfully conducted an exper...[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]
0 Introduction
Wireless Sensor Network (WSN) monitors the target by deploying a large number of sensor nodes in the target area. WSN realizes the positioning and tracking of the target, determi...[Details]
The production process of lithium batteries does not mention the previous processes such as material preparation, winding, liquid injection, and packaging, but only talks about the final formation ...[Details]
Designing low power circuits while achieving acceptable performance is a difficult task. Doing so in
the RF
bands increases the challenge dramatically. Today, nearly everything has wireless...[Details]
1. Introduction
AS-Interface bus technology is an intelligent network that uses a single cable to connect sensors and actuators to controllers, transmit data, and provide power. It can be used...[Details]
1. Brief Introduction
With the continuous development and improvement of single-chip microcomputer technology, single-chip microcomputers have been widely used in all walks of life, and ...[Details]
Li/SOCl2 batteries (lithium sub-cells) have the advantages of high operating voltage, stable discharge voltage, wide operating temperature range and long storage life, and have been widely used in ...[Details]
In view of the price and performance differentiation of Chinese home video intercom and security products, this paper analyzes
the design of smart terminals based
on a Chinese original
...[Details]
Linux and Android
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