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Jiwei.com reported on October 21 that with the increasing use of smartphones, smartphone charging has received increasing attention. China Telecom recently talked about the four major misunderstandin...[Details]
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IDC released the statistics of wearable devices in India in the fourth quarter of 2019. The Indian wearable market grew significantly by 168.3% year-on-year in 2019, with annual shipments of approxim...[Details]
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On the evening of June 30, Tsinghua Unigroup issued an announcement announcing the establishment of the DRAM Business Group, appointing Diao Shijing as the chairman of the DRAM Business Group of Tsin...[Details]
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The variable frequency dielectric loss tester is a new type of intelligent variable frequency dielectric loss tester. With the continuous deepening of urban and rural power grid transformation, ther...[Details]
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Hardware Connection: Code: #include reg52.h #define uchar unsigned char #define uint unsigned int sbit BEEP = P3^7; uchar code SONG_TONE = { 212,212,190,212,159,169,212,212,190,212,142,159,...[Details]
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According to BusinessKorea, South Korean technology giant Samsung Electronics is considering increasing investment in its second semiconductor foundry project in Xi'an, Shaanxi Province. However, the...[Details]
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The first line displays "Welcome"; the second line displays "Happy day"; if you want to display other characters, please directly fill the corresponding code into the array LCMLineOne and LCMLineTwo ....[Details]
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----- Main program starts----- START: CLR P1.0 ;P1.0 outputs low level, so that LED1 lights up ACALL DELAY ;Call the delay subroutine SETB P1.0 ;P1.0 outputs high level, so that LED1 turns...[Details]
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Cleaning is something that every family has to go through. In the short version, no one wants to do it; in the long version, it can even cause family conflicts. However, with the advancement of techn...[Details]
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This article lists the specifications in alphabetical order; not all of them apply to all probes. For example, the insertion impedance specification only applies to current probes; other specificatio...[Details]
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At the end of July, there was news that Kodak, once the world-class "film king", began to move in other directions after its bankruptcy reorganization in 2013, and is now starting to get involved in ...[Details]
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Makefile KERN_DIR = /home/grh/kernel_source_code/linux-2.6.32.2 all : make -C $(KERN_DIR) M=`pwd` modules arm-linux-gcc key_interrupt_app.c -o key_interrupt_app clean : make -C $(KERN_DIR) M...[Details]
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Function generator that can work stably even at low frequencies
Function of the circuit
Low frequency oscillation mostly uses CR Wien bridge oscillation circuit, a...[Details]
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The multimeter measurement method refers to the method of using a multimeter to measure the voltage, current, and resistor values in a circuit to determine faults. Therefore, the multimeter measure...[Details]
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In the previous section, we have learned a lot about bare metal and built a project to test assembly code. These tasks are actually the basis for learning Bootloader here.
Index to this sectio...[Details]
Analog electronics
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