After the previous preparation, the basic knowledge is almost known, and you can start to build your own project. The basic operation method will not be explained in detail, and the picture will be di...
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High voltage motors can be used to drive various machines, such as compressors, water pumps, crushers, cutting machine tools, transport machinery and other equipment, and are used as prime movers i...[Details]
P3 is a multi-function port. Compared with the structure of P1, it is not difficult to see that the difference between P3 and P2 is that there is an additional NAND gate and buffer. It is these two p...[Details]
Linyang Yiwei, a holding subsidiary of Jiangsu Linyang Energy Co., Ltd., recently participated in the bidding for energy storage equipment for the Huaneng Bayannuori 300MW wind power EPC project of...[Details]
Have you ever been driven crazy by your phone's battery dropping to 20% when you need it most? It is reported that the top ten most advanced breakthrough technologies can make your phone battery pe...[Details]
The personnel approach detector circuit is shown in the figure. This circuit uses a common photoelectric tube to detect the change in ambient light caused by a person entering the warning area, thereb...[Details]
1: Polarity reversal. 2: Voltage boost. 3: Voltage reduction. Three typical
circuits
Automatic calculation of peripheral component parameters
How to use:
...[Details]
On the evening of March 16, a netizen asked if there was enough stock of the Redmi K50 series. Lu Weibing, President of Xiaomi Group China and General Manager of Redmi Brand, replied: "It's har...[Details]
Kernel: linux-2.6.22.6 The kernel executes the poll process From the code point of view, the poll mechanism is to call the poll() function through the application. The usage of the poll() function ...[Details]
store
To prevent moisture, LEDs should be stored in a dry and ventilated environment with a storage temperature of -40°C to +100°C and a relative humidity below 85%.
The LED should be use...[Details]
On July 20, Jiwei.com reported that the first semiconductor photoresist lithography equipment for the high-end packaging and testing project of Shandong Qingdao New Core Technology Co., Ltd. entered ...[Details]
On January 11, US Pacific Time, the US International Consumer Electronics Show (CES2021) kicked off for the first time in a fully digital manner, attracting many world-renowned consumer electronics c...[Details]
Apple is reportedly developing its own chips to replace Qualcomm's, but the looming loss may not have much of an impact on Qualcomm's profits, analysts said. Investors once believed that Qualcomm'...[Details]
Not long ago, the European Commission’s official website disclosed that European Commission President von der Leyen stated in the European Parliament’s fourth “State of the Union Address” that the Eu...[Details]
1. Overview
DC-DC module power supply
In order to meet the requirements of miniaturization, a simple and reliable power stage circuit is generally selected. Among them, the re...[Details]
Use rpm -qa | grep nfs to check whether the tftp server is installed
yum install nfs
1. Server installation:
1.setup
2.System Services
3. Check *nfs
4.service nfs res...[Details]
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