[i=s]This post was last edited by sky999 on 2020-8-2 10:30[/i]This diagram was originally normal, but after adding the Q6 circuit, the 5V above can never be turned off. Why?
It is normal if there is n...
[i=s]This post was last edited by captz on 2022-4-25 09:53[/i]Share the stories you saw recentlyA man was eating water chestnuts with the shell on. Someone reminded him to remove the shell. He said, "...
When Allegro is executing the shape fill command, the copper skin will appear this phenomenon during the refresh display process. What is the problem? It happened when I first installed the software, ...
It is becoming increasingly difficult to find the right MLCC capacitors. In the long run, manufacturers can solve this problem by adding production lines. However, this is still a long way to go for m...
This paper introduces a USB interface design scheme based on DSP, and explains the hardware design of the interface, the interface operation principle, the software design process and the key points o...
Hello everyone!
I have a question. I am using a high-power relay to control the on/off of a solenoid valve. I found that one of the relays has an electric shock and adhesion phenomenon. The TJ signal ...
Switching power supplies have long been a staple of the power supply industry. However, as the global demand for energy-efficient products continues to increase, the market, which has traditional...[Details]
Chinese inverter manufacturer KSTAR will complete construction of its first production plant in Vietnam next month.
The plant will be built in two phases and will be completed in June. Phase I...[Details]
Hospital Information System (HIS) refers to the ability to collect, store, process, extract and exchange patient treatment information and administrative information for various departments of the ...[Details]
On August 11, according to the Sina Weibo account "Changan Digital Jun", Huawei's consumer business CEO Yu Chengdong signed a document titled "Notice on the Establishment of Display Driver Product Ar...[Details]
According to a recent survey by JD Power, more than 20% of automobile manufacturers have begun upgrading the web technology of in-vehicle systems, allowing people to view web pages in the sa...[Details]
Barrel vacuum cleaners are currently the commercial vacuum cleaners with the highest market share. They are mainly used for filtering and collecting solid and liquid waste on the ground or walls, a...[Details]
There are many unknowns when powering on equipment. System integration is a complex project. The more experienced the engineer, the more cautious he must be. One careless move can burn the servo, i...[Details]
According to the photoelectric effect, the PN junction can change its resistivity under the stimulation of light, and LED is also a PN junction, so can the PN junction characteristics of LED be use...[Details]
In order to enhance safety, all walks of life are currently purchasing gas detectors. However, general consumers do not know much about the gas detection industry and do not know how to choose ...[Details]
The Bluetooth wireless test configuration includes a tester and the equipment under test (EUT), where the tester is the master unit and the EUT is the slave unit. The two can be connected via a radio ...[Details]
DC Inverting Amplifier with Gain Determined by Circuit Ratio
Function of the circuit
The inverting amplifier circuit of the OP amplifier is used for signal inversion (select R1=R2) or as a simple...[Details]
The size of my color screen is 240*320~ Following is the code //common.h #ifndef __COMMON_H__ #define __COMMON_H__ #include reg52.h #include intrins.h typedef unsigned int uint; typedef unsign...[Details]
In January this year, OnePlus' flagship of the year - OnePlus 10 Pro was released in China. With highlights such as the second-generation Hasselblad imaging, the new Snapdragon 8 flagship proc...[Details]
The most obvious problem in white LED applications is poor product matching. According to the typical specifications of white LEDs, the minimum forward voltage is 3.0V, the typical value is 3.5V, a...[Details]
PCB Design
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