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Currently, China is formulating a ban that will stop the export of rare earth elements used in the production of high-efficiency magnets for electric vehicles (EVs), including solar panel-related pro...[Details]
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1. Experimental phenomenon:
The diode changes from left to right, and then from right to left like a marquee, and the interval between light changes is 1s.
2. Experimental Objectives:
l Master...[Details]
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(1) Install the development tool chain yum install avr-* The following tools will be installed avr-gcc-4.7.2-1.fc17.i686 avr-libc-1.8.0-2.fc17.noarch avr-binutils-2.23.1-1.fc17.i686 avr-gcc-c++-4.7.2...[Details]
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First of all, the development platform is win7, the tool is RVMDK (keil), the hardware is stm32f103ve, and the print is to the hyperterminal A few days ago, I started to pay attention to printf, whi...[Details]
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In order to reduce the spread of COVID-19, offices and factories need to create an environment that ensures social distance between employees and safe production work. Solutions based on ultrasonic s...[Details]
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Use the parallel port P1 of AT89S51 to connect a 4×4 matrix keyboard, with P3.0-P3.3 as input lines and P3.4-P3.7 as output lines; the digital keys "0-9" are displayed on the digital tube, and the ot...[Details]
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With the popularity of ChatGPT, many companies have announced their own AI products, such as Google, an overseas technology company, launched Google Chat, and Microsoft launched the chat function o...[Details]
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The address space of the MCS-51 microcontroller's external RAM is 64K, and the address bus is 16 bits. The following four instructions can be executed to access the external RAM:
MOVX A,@DPTR
MOVX ...[Details]
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How to quantify the relationship between conversion efficiency and photovoltaic module cost? The answer is that every one percentage point increase in efficiency can reduce the cost of each watt of...[Details]
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A power supply circuit that uses a single power supply to generate both positive and negative voltages
虽然电池设备的电源单元,通常由电池构成单电源电路,不过某些情况要求电源电路具备负电源输出电压. 图1的電源電路可輸齣由單電源送齣的穩定化正、負電源,一般這類型的電源電路是以正電壓當作...[Details]
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Compared with the large-screen positioning of the Galaxy Note series in the past, as large screens become more popular, the Galaxy Note has also broken the framework and launched a regular size, the ...[Details]
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AMD reported third-quarter profit and revenue that exceeded analysts' expectations after the market closed on Tuesday, and also provided strong guidance for the fourth quarter. The stock rose 1% i...[Details]
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Abstract:
The constant modulus algorithm cannot overcome the phase distortion problem of the signal, and the steady-state error is large; the modified constant modulus algorithm can restore t...[Details]
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In the field of active automotive safety, automotive microwave/millimeter wave radar sensors are one of the core components, among which 77GHZ millimeter wave radar is an indispensable key compone...[Details]
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1. Grounding
The grounding here refers to the earth, also known as the protective ground. Providing a good ground wire for the microcontroller system is extremely beneficial to improving the sy...[Details]