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;P2 is connected to eight buttons, P1 is connected to eight LEDs ;One button controls one light, for example, P2.0 only controls P1.0. ; Press the key once, the corresponding LED will switch on a...[Details]
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In the past few years, the craze for smart wearables has largely faded. After repeated market trials, some once-popular wearable device manufacturers have ended up bankrupt or acquired, but there are...[Details]
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On November 7, the "Application of Blockchain Technology in Power Scenarios" technical forum co-sponsored by State Grid Information and Communication Industry Group and North China Electric Power U...[Details]
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USB connectors are very common precision electronic connector products, and USB connectors used in some industries with high standards need to use stainless steel shells. So why use stainless steel...[Details]
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Researchers at the Fraunhofer Institute for Integrated Circuits IIS in Erlangen, Germany, have developed a space-saving metering unit that can be clipped onto a cable like a clothes hanger and measure...[Details]
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#include hidef.h /* common defines and macros */ #include "derivative.h" /* derivative-specific definitions */ #define BUS_CLOCK 40000000 #define OSC_CLOCK 20000000 /*********************...[Details]
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Recently, Huawei uploaded a new device photo on the Ministry of Industry and Information Technology. It is not the previous Huawei Mate X. This phone model is AMN-AL10, a traditional candy bar phone....[Details]
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1. LOAD REGULATION
Changes in power supply load will cause changes in power supply output. When the load increases, the output decreases, and vice versa, when the load decreases, the ou...[Details]
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On May 21, 2019, the launching ceremony of the "Xinchuang Cup - The First Future Automotive Human-Computer Interaction Design Competition for Colleges and Universities" was grandly held in Beijing. T...[Details]
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This article uses two transistors instead of MAX232 to complete the production of data lines. The production cost is lower than using MAX232...
OK, now I will give you the internal circuit of ...[Details]
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LED display technology has evolved from monochrome displays in the early 1980s, to dual-primary-color displays in the late 1980s, to three-primary-color (full-color) displays in the mid-1990s, to...[Details]
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data – addressable on-chip RAM 0x00-0x7f
bdata—bit-addressable on-chip RAM
idata—addressable on-chip RAM, allowing access to all internal RAM 0x00-0xff
padata—paged addressing to ac...[Details]
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1. Production of tool chain 1.1 Tools Software tool: crosstool-ng Download address: git clone https://github.com/crosstool-ng/crosstool-ng The crosstool-ng environment requires libncurse5-dev ...[Details]
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The MCU and TLC2543 interface realizes AD conversion and uses digital tube display for simulation schematic diagram as follows (Proteus simulation project file can be downloaded from the attachment o...[Details]
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Signal generators have a well-defined mission in a test system: simulate the signals that a device under test (DUT) might encounter during normal operation. In the past, such signals were simply sine ...[Details]