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The mmap function used in user space is provided by glibc Statement found through man mmap #include sys/mman.h void *mmap(void *addr, size_t length, int prot, int flags, int fd, off_t offset);...[Details]
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Several indicators describing the impact of input voltage on output voltage
⑴ Voltage stabilization coefficient
① Absolute voltage regulation coefficient K
It indicates the ratio of ...[Details]
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On November 27, Dianyang International New Energy Technology Service Co., Ltd. (hereinafter referred to as Dianyang International) and Huawei Technologies Co., Ltd. (hereinafter referred to as Huaw...[Details]
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The flow meter is powered by lithium manganese dioxide (LiMnO2) and lithium thionyl chloride (LiSOCl2) batteries. LiSOCl2 batteries achieve higher energy density and better cost-per-watt ratio than L...[Details]
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While an incandescent lamp behaves as a purely resistive load with self-stabilizing characteristics, an LED requires a current source. The luminous flux produced by an LED is approximately proporti...[Details]
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Rechargeable batteries are a great and magical invention, but they age, making them expensive to replace or recycle. To address this problem, William Chueh, an associate professor of materials scienc...[Details]
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The temperature tolerance monitoring system introduced in this article can monitor whether the operating temperature of equipment and systems exceeds the allowable temperature tolerance at any time...[Details]
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At the 2019 Anchuang Future Technology Innovation "Chip" Conference held today, Huang Qing, Managing Director of Walden International China, said that China's semiconductor industry has gone through ...[Details]
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#include pic.h //Call the header file. You can go to the PICC software to find the header file of the PIC16F87XA microcontroller. __CONFIG(XT&WDTDIS&LVPDIS); //Define configuration word, crystal ...[Details]
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Affected by the decline in subsidies and the downward pressure on the overall auto market, the new energy vehicle market continued to decline. BAIC New Energy Vehicle's sales volume in September wa...[Details]
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1 Basic Questions
The foundation of
FPGA
is digital circuit and HDL language. For those who want to learn FPGA well, it is recommended to have a book on digital circuit by the bed...[Details]
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Chapter 6 Acquisition Module Test Results
This chapter mainly tests the designed NMR signal envelope acquisition module. First, the background noise test and sine signal test were carried out, and ...[Details]
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The Samsung Galaxy M12 launch may be getting closer, and the main specifications of the Galaxy M12 phone have been exposed recently. In our previous report, we also revealed the back of the re...[Details]
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BOE and SAIC Feifan Auto achieve new breakthrough in flexible OLED in-vehicle applications, creating a new "visual" world for smart cockpits Recently, the flagship model of SAIC Feifan Automobile, ...[Details]
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CAN (Controller Area Network) is a communication protocol used in the automotive and industrial automation fields. It has high reliability, real-time performance and flexibility, and is widely used...[Details]