Bought a wifi module and it just arrived this week.
Since I have to go back to my hometown for New Year's Day, I don't have time to adjust. I have to take a week off this week. Sorry.
The wifi functio...
The adjustable power supply composed of LM317 has the following two problems:
1. What is the function of the circuit composed of VQ1 and R3 in the figure?
2. What is the function of VD2 in the picture...
1. DIP switch
This is a cross section of a plain old DIP switch. There are four groups of switches in this component. This is one of the switches.
This is the annotated version. It looks very simple. ...
After a circuit board is soldered, when checking whether the circuit board can work normally, it is usually not powered on directly. Instead, follow the steps below to ensure that there are no problem...
Application scenario: The switch uses MOS 47N60 or IPW60R045CP, and it is best if both can be driven. The driver supply voltage is 12-15V. [/backcolor][/color] [color=rgb(85, 85, 85)][backcolor=rgb(25...
According to news on March 20, the B100/B200 AI GPU just released by NVIDIA has upgraded the manufacturing process from 4N to 4NP, and the number of integrated transistors has also increased from 80 ...[Details]
When it comes to off-road, every brand has its own expertise in technology, such as Land Cruiser's low-speed creeping, Pajero's dual-select four-wheel drive and Land Rover's all-terrain response syst...[Details]
In the past, people often used traditional instruments and equipment when performing measurement work. However, these traditional equipment had some inevitable disadvantages in terms of technical lev...[Details]
0 Introduction
The tobacco leaf curing process is a key step in producing high-quality tobacco leaves, and the quality of flue-cured tobacco is closely related to the temperature and humidit...[Details]
Some Apple Watch Series 3 users have complained that the watchOS 7 update is causing their devices to crash and shut down, which could be an early issue with the operating system. The launch of a n...[Details]
Extremum search control is an adaptive control algorithm based on the search for the optimal extremum. Its core idea is to adjust the parameters of the controller by optimizing the performance inde...[Details]
The U.S. Department of Commerce added seven more Chinese entities to the export control list on Tuesday (August 23) due to national security and foreign policy concerns. These entities are mainly inv...[Details]
When the computer is working, it is controlled by a unified clock pulse. This pulse is sent by the timing circuit in the single-chip microcomputer controller. The timing of the single-chip microcomput...[Details]
The multimeter is a relatively precise instrument. If used improperly, it will not only cause inaccurate measurements but also be easily damaged. However, as long as we master the use and precautions ...[Details]
Recently, the 22nd China International Industry Fair was held in Shanghai. A complete set of RF EDA simulation software independently developed by the research team of Mao Junfa, an academician of th...[Details]
1. Necessity Analysis Data communication is becoming more and more important in modern communications, and evaluating the bit error rate is the ultimate standard for judging the performance of the tr...[Details]
Contents
Achieving "carbon neutrality" is a major strategic goal of my country's sustainable development. To achieve the goal of "carbon neutrality", solar energy and wind energy need to a...[Details]
Lotus has launched its first pure electric mass-produced supercar, the Evija. According to the plan, the new car will be sold in a limited edition of 130 units (the quota for the Chinese market is 5 ...[Details]
There are many forms of feedback sine wave oscillation circuits, but they are all composed of two parts: frequency selection amplifier and feedback circuit. The structural diagram is shown in Figur...[Details]
Abstract: TI's high-speed operational amplifier OPA820ID is used as the first-stage amplifier circuit, and THS3091D is used as the final amplifier circuit. The voltage gain ≥ 40 dB is achieved on t...[Details]