Recently, the Chinese men's football team received a "challenge", but the "challenge" was not issued by any national team, but by a copycat football team that claimed to defeat them. "The goal is to d...
So depressed... I've looked at Joyo and Dangdang, but can't find it. I guess it's because it's not selling well. Business comes first... :Q :Q :Q :'( :'( :'( I'll look for it tomorrow......
The second video corrected some mistakes in my previous video. First of all, the light source is not made with DLP, because DLP is not necessarily a micro-projector, and the resolution can also be hig...
[i=s]This post was last edited by 1nnocent on 2021-10-21 20:58[/i]The question is as shown in the picture. Picture 2 is the reference answer. The answer seems to be wrong.The answer to "1" seems to ha...
[i=s] This post was last edited by paulhyde on 2014-9-15 03:37 [/i] Can you bear it? :lol Quadcopter (Question B) Supplementary instructions The "flight control" mentioned in the instructions (2) of t...
I'm begging for a POWERPCB design rule. What are the parameters in the design rule? Design parameters for 2-layer and 4-layer boards. Thank you. I'm just getting started with layout. QQ:147550444 E_MA...
Investment in
the
medical device
industry has been on the rise in recent years. In the past two years, venture capital for medical devices has almost doubled, reaching $4 billion in 2007. Fr...[Details]
At very low temperatures, certain metals and alloys lose their resistance to electric
current
and become
superconductors
. Two parameters that are often measured are the transition ...[Details]
Recently, news came from the certification department that the photovoltaic grid-connected inverter of Samil New Energy Co., Ltd. (hereinafter referred to as "Samil New Energy") has once again obta...[Details]
The serial interface real-time clock chip DS1302 launched by Dallas Company in the United States can trickle charge the backup battery of the clock chip. Due to the main features of the chip such a...[Details]
introduction
At present, measuring instruments are developing towards networking, and each individual embedded instrument will become a node on the Internet. This system realizes the network...[Details]
At present, with the diversification of portable products and the almost harsh requirements for audio and video parts, the power consumption requirements of the whole machine have been raised to a ...[Details]
It should be understood as follows: DC-DC means direct current to direct current (conversion of different DC power values). Anything that meets this definition can be called a DC-DC converter, incl...[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]
For a long time, my country has implemented "community-style collective heating" for hot water heating, and settled accounts based on the heating area, regardless of whether the user uses heat. Thi...[Details]
0 Introduction
With the development of virtual instrument technology, new measurement and control methods that use "virtual instruments" to replace traditional instruments are replacing trad...[Details]
0 Introduction
Pneumatic
artificial muscle,
also known as pneumatic muscle actuator (PMA), began to be studied in the 1950s. In recent years, it has been widely studied and applied ...[Details]
Various electronic and electromagnetic interference inside and outside the car often puts automotive electronic equipment in dangerous working conditions, degrading the performance of electronic eq...[Details]
AUTOSAR is a hierarchical architecture for automotive electronic embedded software jointly launched by global automotive OEMs and suppliers. The hierarchical architecture consists of a microcontrol...[Details]
1. Low temperature storage
Lithium-ion power batteries need to be fully charged before storage. They can be stored at 20°C for more than half a year, which shows that lithium-ion power batteri...[Details]
With the development of power electronics technology and high-performance permanent magnet materials, the application of brushless DC motors has achieved rapid development in the fields of aerospace, ...[Details]