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The STM32 CPU has an RTC pin for connecting the battery. When the system loses power, the battery automatically powers the RTC to complete the time counting.
The RTC is accessed th...[Details]
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In recent years, thanks to the rapid development of power technology, information technology, control technology and energy storage technology, global distributed energy projects have shown a "blow...[Details]
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1 Original situation
The
original non-contact current
sensor
There are roughly three structural modes, as shown in Figure 1. In Figure 1, Example 1 shows that a Hall element is set i...[Details]
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According to the Wall Street Journal Chinese website, there has been a global chip glut. This oversupply means that two years of global chip drought amid overwhelming demand are suddenly a thing of t...[Details]
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The figure below is a sound and light alarm circuit. When S1 is pressed, the buzzer sounds; when S2 is pressed, the buzzer stops sounding, but the LED lights up.
1. Use the interrupt working mode to ...[Details]
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O Introduction LabVIEW is the abbreviation of laboratory virtual instrument engineering workbench. It is an innovative software product of NI Corporation in the United States. It is also the most wi...[Details]
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As the best tool for real experiments, it is widely used in many fields. Antai Maintenance Editor has compiled some usage methods and precautions for function signal generators, hoping to help you wi...[Details]
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In most cases, the useful signal is very weak. In these applications, the noise factor becomes the main parameter to characterize the performance of transistors. This paper discusses a design method ...[Details]
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Experimental requirements Code #include "ioCC2530.h" #define D3 P1_0 #define D4 P1_1 #define D5 P1_3 #define D6 P1_4 //delay function void Delay(unsigned int t) { while(t--); } //Port initi...[Details]
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Abstract: The overall structure of the system is designed, and the design idea of the system is expounded. The key technologies involved in the system include the principle and application of org...[Details]
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1 SWI interrupt processing steps: 1) When entering an interrupt, pc- lr, cpsr- spsr, and cpsr_mode are set to privileged mode, all of which are completed by hardware. 2) Registering the interrupt vec...[Details]
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As smart and automated vehicles develop, the automotive industry and consumers are increasingly aware of the need to strengthen automotive cybersecurity measures. Malicious cyber intrusions pose a hi...[Details]
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Cree said on its official WeChat account: "We expect to officially change our name to Wolfspeed at the end of 2021. Our team's commitment to innovation and exceeding the limits of possibility will re...[Details]
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Maximize measurement dynamic range 1) Improving measurement resolution by calculating the average value 2) Use high-resolution acquisition to improve measurement resolution 3) Use AC coupling to rem...[Details]
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Temperature sensor is a sensor for measuring temperature, which is widely used in industry, scientific research, medical treatment and other fields. According to the different wiring methods, tempe...[Details]
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