[i=s] This post was last edited by Wince.Android on 2014-2-27 14:38 [/i] :) I always like to see the relationship between this embedded system, bootloader, kernel, file system and upper UI, and see ho...
[i=s]This post was last edited by elike on 2021-2-9 17:04[/i]1 Basic Information
The entire sensor is equipped with two sensor chips, namely the SGP40 VCO gas sensor and the SVM40 temperature and humi...
My computer's D drive originally had 50G. After using it for several years, I kept deleting and saving files, and less than 3G of files were left. Two months ago, my friend repartitioned my computer, ...
[size=3]First, let's take a look at the video: [/size] [size=3][media=swf,500,375]http://player.youku.com/player.php/sid/XMTYwODczNjUzNg==/v.swf[/media][/size] [size=3] The car has been updated again....
Let's talk about the Flash Loader applet first. IAR debugger C-SPY uses it by default to complete tasks such as data transmission, Flash erasing and burning. Of course, the premise is to select "Use F...
I am designing an AC power supply: I use LM358 to control it. Now I only use half of the LM358. How do I deal with the unused input/output terminals of the voltage comparator? Thanks Li Bin...
High efficiency and low standby power consumption are two major challenges in today's switching power supply design. Resonant topology or LLC topology is becoming increasingly popular because it ca...[Details]
introduction
my country has a vast territory and a large population. The scale of housing construction is huge, and the amount of residential construction is large and wide. It is still on t...[Details]
With the rapid development of urban economy, elevators are increasingly used as a vertical transportation tool. However, elevator fault detection and maintenance, especially the role of elevator remot...[Details]
With the development and widespread application of computer technology, especially in the field of industrial control, computer communication is particularly important. Although serial communication g...[Details]
LED is the abbreviation of light emitting diode, which is an electric light source made of semiconductor technology. The core part of LED is a chip composed of P-type semiconductor and N-type semi...[Details]
Capacitance Measurement
Used to verify that capacitors meet the manufacturer's specifications. For quality control, a group of capacitors may be placed in an environmental chamber and the cap...[Details]
Continuity test
A variety of devices need to be checked for continuity, including cable assemblies, printed circuit boards, and connectors to ensure that these components have the expected contin...[Details]
It is well known to automotive suppliers that automakers are demanding more from their supply base. For connector suppliers, this means stricter requirements for product performance, stability and ...[Details]
Introduction
Automakers are working to reduce vehicle weight to reduce CO2 emissions and improve fuel efficiency. Designers are therefore seeking new technologies and design techniques that can...[Details]
Abstract: With the development and construction of BeiDou II system, China will shift from the situation dominated by GPS to the situation dominated by BeiDou II global navigation system independen...[Details]
The era of mobile access to the Internet has arrived, and it will rapidly change the business and infrastructure needs of mobile operators under a whole new trend of requirements. We need 4G LTE to...[Details]
LED guardrail lights use fluorescent tubes or LEDs as light sources and continuous guardrails as carriers to form an approximately linear guardrail light strip. This article mainly introduces...[Details]
1 Introduction
Ultrasound refers to elastic vibration with a frequency higher than the audible frequency limit (i.e., in the frequency band above 20 kHz). The propagation process of this vib...[Details]
The invention of the steam engine ushered in the first conversion of internal energy and mechanical energy for mankind, and the birth of the internal combustion engine at the end of the 19th centur...[Details]
Distributed Wireless Communication System (DWCS) uses distributed antennas, distributed processing control, joint signal processing and other technologies to improve the system's spectrum efficie...[Details]