As the title says. I have searched a lot on the Internet about the calculation relationship between the two. For the case of 1 ounce copper thickness, some say that a line width of 1mm can only carry ...
I would like to ask all the experts, how to achieve the control of multiple stepper motors by a single chip microcomputer? As long as it can be controlled, any method is fine, thank you!I want to use ...
I want to get the file name from a listbox, and then open the txt file directly (without the file open dialog box). How can I do this? The ShellExecute function doesn't work. Please advise....
[i=s]This post was last edited by lcofjp on 2017-10-25 15:38[/i] In the previous post of DIY, I mentioned [color=#666666][backcolor=rgb(249, 249, 249)][size=14px]If you want to do your work well, you ...
[color=#000000][align=left]Activity details: Specific content of DIY activities based on ADI laboratory circuits [url=https://bbs.eeworld.com.cn/thread-341400-1-2.html]https://bbs.eeworld.com.cn/threa...
If the loading progress bar has not yet reached the relevant item, if you click on the item, it seems to have no response, that's fine, but at this time, clicking the play pause button seems to have n...
This paper designs a dot matrix LED text display screen that is easy to update, expandable, and low-cost. The way to reduce costs is
① Use the Bluetooth data transmission function of mobile ph...[Details]
Battery life is critical for portable applications. For applications such as smoke detectors, security devices, and thermostats, factory-installed batteries need to last for more than 10 years. The...[Details]
0 Introduction
With the development of society, people pay more and more attention to security work. Monitoring products have been used in various fields instead of being used only in importan...[Details]
1. Background:
The instrument system parameter detection and control of the chemical production workshop of Tangshan Coal Gas Coking Plant are all analog instruments, some of which are eve...[Details]
PV inverter manufacturer SMA has launched its first DC arc fault circuit interrupter (AFCI) PV inverter and has received UL certification.
The new SunnyBoy AFCI inverter models include 3000-US...[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]
Spatial Division Multiplexing (SDM) MIMO processing can significantly improve spectrum efficiency and thus greatly increase the capacity of wireless communication systems. Spatial Division Multip...[Details]
LED light sources have many environmental advantages, but early products still have certain technical bottlenecks in heat dissipation and high brightness design that cannot be broken through....[Details]
0 Introduction
Ultrasonic waves
are mechanical waves with a frequency of more than 20KHz, and the propagation speed in the air is about 340 m/s (at 20°C). Ultrasonic waves can be gene...[Details]
The emergence and development of street lamps are inseparable from the prosperity and progress of cities, which makes street lamps useful. Conversely, street lamps also make the night of the city n...[Details]
Dual Tone MultiFrequency (DTMF) signaling is gradually being used in push-button telephones around the world. It quickly replaced the dial pulse signaling used in traditional rotary phones because ...[Details]
1 Introduction
With the rapid development of my country's economy, the country has introduced a series of policies such as preferential policies, subsidy policies, and old-for-new policies, wh...[Details]
Voltage hysteresis is a characteristic of lithium-ion battery and the basis of its existence. The principle is as follows: the thionyl chloride electrolyte of the battery is a strong oxidizing chem...[Details]
As a type of iron battery, lithium iron phosphate battery (hereinafter referred to as lithium iron battery) has always been widely concerned by industry friends (some people say that lithium iron b...[Details]
As the automobile consumer market heats up, the safety performance of automobiles has attracted more attention from consumers. When driving at high speed, tire failure is the most worrying and diff...[Details]
PCB Design
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