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Six apartment buildings in the southwestern Swedish town of Vårgårda will be renovated to run on renewable energy year-round. A microgrid consisting of solar panels, batteries, heat pum...[Details]
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According to Jiwei.com on December 9, China Telecom's Tianyi No. 1 5G cloud phone was launched on JD.com, with the 4GB+64GB version priced at 999 yuan. It is reported that Tianyi No. 1 5G cloud pho...[Details]
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Common-mode inductor
Since most of the problems faced by EMC are common-mode interference, common-mode inductors are also one of the powerful components we often use! Here I will briefly introduce t...[Details]
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The MAX5975_ current-mode
PWM
controller contains all the control circuitry required in the design of wide-input voltage flyback and power-supply supplies for Power over Ethernet (PoE) IEEE ®...[Details]
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BL8530 is a domestically produced DC-DC boost circuit. Compared with similar foreign products, it has the advantage of being cheaper. Since it has a fixed output voltage, when we need some non-stan...[Details]
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#define IapApplicationAddress 0x08000000 //This is the starting address of the APP to be jumped. typedef void (*pFunction)(void); uint32_t JumpAddress; unsigned int systime; pFunctio...[Details]
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① Polling: The application program reads continuously; the driver program reads continuously, occupying a large amount of CPU resources.
②Interrupt: The application is blocked in read; the dri...[Details]
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1. Please write a C function that searches for a given character in a given memory area and returns the index value of the character's location.
Answer:
int search(char *cpSource, int n, char ch)...[Details]
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1. From assembly to C function
1. Set up the stack
Why do we need to set up a stack when calling a C function from an assembly?
1. Because the parameters of the arm assembly call to...[Details]
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introduction
Frequency hopping communication using MSK modulation has the advantages of concentrated main lobe energy, fast side lobe fading roll-off, high spectrum utilization and strong an...[Details]
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As the operating frequency of the circuit and the frequency of electromagnetic interference in the surrounding environment are getting higher and higher, the problem of insufficient high-frequenc...[Details]
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The Importance of Logic Analyzer Memory Depth Most modern logic analyzers have a very large bandwidth. For example, the bandwidth of the LAB 6052 logic analyzer from Guangzhou Zhiyuan Electronics Co....[Details]
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Fighting the epidemic will be an important opportunity for the development of China's 5G terminals, and China Unicom's 5G terminal layout and development will not be affected by the epidemic. Xiaom...[Details]
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RTC is a common component in current devices, and many devices need to check the time. The RTC real-time clock has been integrated into many microcontrollers. In the past, a special clock chip was re...[Details]
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CATL, once known as the leader of China's new energy batteries, had a market value of over 1.68 trillion yuan, but recently experienced a market value drop of more than 20%, evaporating more than 4...[Details]
PCB Design
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