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...
Recently, the "Three-Year Action Plan to Accelerate the Development of 5G Industry in Henan Province (2020-2022)" (hereinafter referred to as the "Action Plan") was issued, clarifying the development...[Details]
Star connection method for three-phase load
When the three-phase load is connected in star shape, if the load is asymmetrical, it must be connected in three-phase four-wire system, as...[Details]
Samsung Electronics Co. has sold most of its stake in Chinese electric vehicle and battery maker BYD Auto, according to South Korean media. Samsung acquired a 1.9% stake in BYD for 528.7 billion won ...[Details]
China Energy Storage Network
: Energy Internet is a big chess game, and how to lay out and place the pieces is very particular. And the distribution network, due to its special status, plays ...[Details]
With the rapid development of automotive electronics technology, the field of in-car audio is undergoing an unprecedented technological change. Users have put forward requirements for in-car audio wit...[Details]
According to foreign media Macrumors, Apple's iOS 14 update has added several new features to the Photos app, including the option to add titles to photos directly on the iPhone, which is somet...[Details]
I want to know how you feel after the release of iPhone SE 3, which you have been looking forward to for two years. Do you have any plans to buy it? Judging from the last vote, 70% of people chose ...[Details]
The inverter has many setting parameters, and each parameter has a certain selection range. In use, it is often encountered that the inverter cannot work normally due to improper setting of individ...[Details]
WWDC 2019 is approaching, and foreign media have been frequently reporting news recently. Previously, there was news that iPhone sales in 2019 had declined significantly, which would undoubtedly affe...[Details]
In the first half of last year, the epidemic caused a decline in demand in the auto market. In addition, the global situation disrupted the supply rhythm of auto companies, and upstream material manu...[Details]
The OFweek Cup 2023 China Robot Industry Annual Awards (abbreviated as OFweek Robot Awards 2023) is jointly organized by OFweek, China's high-tech industry portal, and its authoritative
robot
...[Details]
Protecting electronic systems susceptible to load dump conditions is a major challenge in automotive applications, whether they are fuel-powered vehicles or electric vehicles (EVs). In addition to de...[Details]
On January 16, the power domain controller developed by a team led by Deng Xiaoguang, deputy director of Hozon Automotive Engineering Research Institute, successfully passed the vehicle test in one g...[Details]
The demand for high energy density and high performance batteries is increasing, which puts higher requirements on the performance of positive electrode active materials . In order to improve the elec...[Details]
stm32/stm8
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