As soon as STM32 was launched, it quickly occupied the low-end and mid-range MCU market, which was closely related to the development method based on firmware library that it advocated. The library de...
The timestamp can be obtained from the online interface.
Time synchronization data format
1. The standard timestamp is the total number of seconds from 00:00:00 Greenwich Mean Time on January 1, 1970 ...
From procurement, storage, manufacturing, packaging, loading and unloading/handling, transportation, circulation processing, distribution, sales to service, they are all interlocking business links an...
This week's review highlights:
-New event: Canaan's latest high-performance graphics and voice processing AI chip - Kanzhi K510, development kits are waiting for you to apply
-New preview: A domestica...
As shown in the figure, when setting the spacing from the board edge Outline Edge to each element in Manufacturing, it is found that it is only effective for Polygon copper pouring, and the rest are a...
According to Tianyancha data, on July 12, Hengxuan Technology (Shanghai) Co., Ltd. underwent a number of industrial and commercial changes. Alibaba (China) Network Technology Co., Ltd., Hubei Xiaomi ...[Details]
3.3 Design of output circuit As shown in Figure 6, the output circuit consists of a rectifier diode D4, filter capacitors C9, C10 and a voltage regulator tube D5. 3.3.1 Selection of output rect...[Details]
"Neo5S" is the name of the latest member of the iQOO Neo family, which was officially released tonight. Compared with the special products made for Double 11, iQOO Neo5S is obviously more suitable...[Details]
Electrical measuring instruments are an important means of monitoring various technical parameters of electrical equipment and power supply systems, and are also important tools for installation and ...[Details]
MPEG-2 decoding
MPEG-2 decompression circuit includes video, audio decompression and other functions. In video processing, it is necessary to complete the decoding of the main picture and sub-...[Details]
1. Pulse signal generator A generator that produces rectangular pulses with adjustable width, amplitude, and repetition rate that can be used to test the transient response of linear systems or use a...[Details]
If you want to measure leakage, you must first understand what leakage is. The power plant outputs three-phase alternating current. The neutral point is directly grounded. The neutral line and the ...[Details]
The figure shows that SW399 and an operational amplifier form a reference voltage source that can continuously change from positive output to negative output.
If you rotate the 50K potentiometer te...[Details]
Regarding the measurement method of the DC ammeter, precautions when using the DC ammeter, observe whether the pointer of the voltmeter is on the zero line, select a voltmeter with an appropriate ran...[Details]
According to the Chinese Academy of Sciences, LED -based solid-state lighting devices have the advantages of high efficiency, energy saving, and environmental protection, and are considered to ...[Details]
China's first digital interface content protection industry standard with independent intellectual property rights, the "Digital Interface Content Protection System Technical Specification" (UCPS sta...[Details]
The working principle of a digital oscilloscope is shown in the figure. When an analog signal enters the oscilloscope through the input channel, it will pass through an amplifier, which we call a ver...[Details]
The correct selection of the inverter is critical to the normal operation of the control system. When selecting an inverter, you must fully understand the load characteristics driven by the inverte...[Details]
1 High frequency power supply system block diagram
High-frequency switching rectifiers generally first directly rectify and filter AC power into DC power through diodes, and then convert it in...[Details]
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