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1. Method error
It refers to the error caused by imperfect measurement methods, loose theoretical basis, and inappropriate modification and simplification of some classic measurement methods. In o...[Details]
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The intelligence of intelligent lighting control system is mainly reflected in two functional modules, one is intelligent dimming device, the other is illuminance detection, display and compensatio...[Details]
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introduction:
In the process of industrial wastewater treatment, it is often necessary to monitor the COD value of wastewater. The data monitored by the on-site monitoring instruments are ou...[Details]
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Serial port debugging is used more and more in projects, and the shortage of serial port resources has become particularly prominent. Many people who use notebooks have a deep understanding that they...[Details]
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Require: 1. Set three scales: bass, middle and treble control buttons; 2. Design the sounds 1, 2, 3, 4, 5, 6, and 7 (Do-Re-Mi method to search for laxity); 3. Be able to play a simple nursery r...[Details]
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1.ARM system and architecture
1.1. The ARM system CPU has the following working modes:
User mode (usr)
Fast interrupt mode (fiq)
Interrupt mode (irq)
...[Details]
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Only a small number of LED manufacturers can produce high-quality LEDs.For applications that are only used for simple indication, low-quality LEDs are sufficient. However, high-quality ...[Details]
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Fpllo is the main frequency of the system, here it is 60MHz
Fin is the frequency of the crystal oscillator, here it is 10MHz
. Calculation of the clock pulse frequency output by PLL:
a) Fpllo = (m...[Details]
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According to Reuters, Meng Wanzhou's legal team will file a motion to challenge the U.S. extradition. Canadian Broadcasting Corporation reported that Meng Wanzhou's extradition hearing will begin in ...[Details]
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On April 28, the People's Government of Baiyun District, Guangzhou issued the "Several Measures (Trial) to Promote the High-Quality Development of New Energy Storage Industries in Baiyun District, ...[Details]
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The hardware schematic diagram of AT24C series programming on enhanced PIC experimental board is shown in the figure below. U7 is the 24C02 chip on the experimental board, SDA is connected to the RB5...[Details]
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If the iPhone powered by the A series chips is a strong body, then the iOS system is the soul that Apple created when it built the body. The two are interdependent and interact with each other,...[Details]
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Analog Devices, Inc. (NASDAQ: ADI) announced that its wireless battery management system (wBMS) has passed the highest standards of automotive cybersecurity engineering and management certification. ...[Details]
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The characteristic of switching power supplies is that they generate strong electromagnetic noise, which will cause great interference if not strictly controlled. The following techniques can help re...[Details]
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First, in the previous example, add the dma.c file to the dev folder, and then add it to the Makefile in that directory:
This is the framework. Next, open dma.c to implement it:
...[Details]
ADI Reference Circuit
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