This book starts with the working principles of basic electronic circuits and introduces the characteristics and design methods of vacuum tube amplifier circuits from the simplest to the most complex....
I am a process engineer and I want to measure the water tightness of a cavity, but the humidity meters on the market are too big to fit in. I checked some information and found that the humidifier nee...
After the PADS PCB file is converted to ASC, and then the ASC file is imported into AD, why is the PCB copper plating imported into AD gone, and the pads connected to the ground become disconnected? H...
[i=s]This post was last edited by dcexpert on 2019-10-18 09:19[/i]CircuitPython supports RTC function. The use of RTC is very simple, the basic usage is as follows:
import rtc
r = rtc.RTC()
r.datetime...
I have received the SLN-RPK-NODE kit for a few days. I have never successfully logged into the official APP. The problem of APP is easy to solve. At worst, I can write one myself. The routine program ...
Study on Acoustic Emission Characteristics of LF3 Aluminum Alloy during Corrosion Process
A method for monitoring metal corrosion process using acoustic emission was established. Combined with the ...[Details]
Circuit diagram of using feedback to improve the linearity of optocoupler devices
In (a), D1 is in the feedback path, and the current flowing through D1 is strictly linear with V1. The disadvant...[Details]
When I first came into contact with STM32 a few months ago, my first impression was that the files in the firmware library were too many and too deep. Fortunately, I found that the firmware ...[Details]
1. Overview
The keyboard is a collection of push-type switches and is an indispensable input device for the microcomputer system, used to input data and commands. Each key of the keyboard is as...[Details]
On September 23, LG Energy Solution (LGES) signed lithium and cobalt supply cooperation agreements with Canadian key mineral suppliers Snow Lake Resources, Electra Battery Materials Corporation and A...[Details]
Wi-Fi 6, also known as 802.11ax, is a router that makes Wi-Fi faster and has better connections. Sounds pretty good, right? So we've seen Wi-Fi 6 routers for sale in stores. These new routers seem to...[Details]
On September 9, the first battery cabin of the Guizhou Jinyuan Guanling 100MW/200MWh independent shared energy storage power station project was successfully hoisted, marking that the project has offi...[Details]
1. The pwm output pin of stm32 is the multiplexing function of the IO port used.
2. The four general timers T2~T5 can output 4-channel PWM - CH1~CH4.
3. We take the CH1 PWM output of tim3 as an exa...[Details]
The most important feature of today's smartphones isn't the bells and whistles, but something far more basic: How long does the battery last? Unfortunately, battery technology hasn't kept up with eng...[Details]
Offline entertainment is a rapidly developing market in VR. As an entertainment giant, Sony will obviously not easily ignore this potential big cake. Recently, the US Patent and Trademark Office publ...[Details]
The latest news says that Apple has tested at least 9 new Mac models internally, equipped with 4 M2 family chips. In addition, the news also said that Apple is developing a new Mac Mini, using...[Details]
With the development of science and technology, modern public safety protection equipment is becoming more and more technological. Pulse electronic fence is a new type of perimeter alarm product...[Details]
In order to ensure that the controller can work reliably during power outage, a DC power supply system is used in high-voltage power distribution control. During power outage, the DC power supply s...[Details]
Solarbe reported that on October 11, 2010, entrusted by the Science and Standard Management Department of the National Certification and Accreditation Administration, the National Solar Photovoltaic E...[Details]
Since the beginning of this year, state-owned central enterprises have continued to increase their layout in strategic emerging industries. A reporter from China Securities Journal recently visited th...[Details]
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