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Last time, we talked about returning the configuration descriptor to the main controller. Now, we will receive the string descriptor from the main controller. If there is no string descriptor specifie...[Details]
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This test mainly tests the system's anti-pulse group interference performance. The problems that may occur are as follows: ① The communication of the device under test is temporarily interrupted. ②...[Details]
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Recently, humanoid robots have become very popular, which indicates that single-function robots and comprehensive-function robots are forming a situation of healthy competition and common developme...[Details]
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At present, the technology of sine wave signal generator is gradually maturing, and various direct digital synthesizer (DDS) integrated circuits such as AD9850 have been widely used; there are also...[Details]
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LED power supply is also a supporting product. The quality of power supplies on the market is uneven. Here we provide some relevant knowledge about LED driver power supplies for those who are new t...[Details]
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The U.S. Environmental Protection Agency (EPA) recently released the Fuel Economy Guide 2020 (FEG 2020), announcing the fuel economy data of all new cars on sale in the U.S. market. The EPA release...[Details]
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introduction
According to Strategies Unlimited (see Figure 1),
the market for
high-brightness (HB)
LEDs
is expected to reach $12 billion by 2012 and grow to $20.2 billion by...[Details]
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As we all know, when we write programs with MCU , there are only shift statements, but no circular shift statements. So how to implement circular shift? See below for details:
The difference bet...[Details]
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1. In order to achieve quasi-3-state, the P0 port of the 51 single-chip microcomputer adopts OC output, that is, collector floating output, also called totem pole output. This circuit structure has o...[Details]
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#Three files Teacher Cheng (1209050967) 19:05:41 Link: http://pan.baidu.com/s/1pLg8V8J Password: xu5r Teacher Cheng (1209050967) 19:06:03 Teacher Cheng (1209050967) 19:06:31 Everyone go to my network...[Details]
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The Northwest Regulatory Bureau of the National Energy Administration recently issued the "Qinghai Province Electricity Auxiliary Service Market Operation Rules" (draft for comments), which clearly...[Details]
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On January 19,
NXP Semiconductors
announced the launch of a new 28nm RFCMOS radar single-chip series for the next generation of ADAS and autonomous driving systems. The newly launched SAF85...[Details]
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Since Uboot2011.06 has good support for S3C6410, we use Uboot2011.06.
1. Porting environment
Host: VMWare-ubuntu
Development board: ok6410—512M nandflash, Kernel: 2.6.30.4
u-boot: u...[Details]
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As portable products become smaller and thinner, higher requirements are placed on
power management chips
, such as high integration, high reliability, low noise, anti-interference,
...[Details]
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1. Inkjet printing technology reduces the cost of copper indium gallium selenide solar photovoltaic cells
Traditional solar photovoltaic cell production techniques are often time-consu...[Details]
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