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In the 8051 single-chip microcomputer application system, the serial interface can be used to expand the parallel I/O port (assuming that the serial port works in the shift register, mode 0 state). Th...[Details]
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According to foreign media 9to5 Google, Google has previously begun its anti-competitive approach of stifling third-party app stores on the Android system. According to new revelations, Google ha...[Details]
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Through the EP2C20Q240 device and LPC2478 processor, the working principle and timing characteristics of the external parallel bus of the ARM application system, as well as the principles of bidire...[Details]
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Recently, Trump not only said that he would not impose new tariffs on Chinese exports, but also allowed American companies to continue selling products to Huawei. Trump also revealed that the Huawei ...[Details]
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for(a=v;a
{
m=1;
n=240;
for(j=1;j
{
n--;
for(h=0;h
{
if(a==0)
{
P2=0xff;
P3=0xff;
P1=0xff;
}
else
{
P2=bian ;
P3=shu ;
P1=bian ;
P1=shu ;
P0=bian ;
P0=shu ;
}
for(l=n;l>0;l--) ...[Details]
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I wrote an interrupt function using STM32F103VBT6 some time ago. I wanted to learn more about the interrupt mechanism of STM32. After using it, I found that the interrupt configuration of STM32...[Details]
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In high temperature environment, the material properties of permanent magnet motors change, causing significant changes in core loss, winding copper loss, and rotor loss. In terms of heat transfer,...[Details]
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If you are an auto technician, vehicle technician or auto mechanic, you may find this cheap yet powerful car battery charger circuit very handy as it can be used to charge all types of car and moto...[Details]
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1. UBIFS file system configuration a) Kernel configuration After 2.6.27, ubifs has been integrated into the kernel tree. The 2.6.39 kernel used in this document has already included the rel...[Details]
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A multimeter is an instrument commonly used by electricians. It can measure voltage, current, resistance, and even distinguish the polarity of diodes and transistors. As the name suggests, it has man...[Details]
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The electronic components industry is at the forefront of the electronic information industry chain and is the foundation for the sustained and rapid development of the electronic information industr...[Details]
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With the development of the electric power industry and the increase in grid load demand, my country is vigorously developing UHV and long-distance transmission technology. High voltage leads to stron...[Details]
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MSP430F149 (hereinafter referred to as "F149") is an ultra-low power Flash 16-bit RISC instruction set microcontroller launched by Texas Instruments (TI). F149 has rich internal hardware resourc...[Details]
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Rotor flowmeter is also called float flowmeter. In industrial field applications, the main measurement object of rotor flowmeter is single-phase liquid or gas. It is usually not suitable for liquid c...[Details]
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We recently learned that Xiaomi has invested $70 million in Hesai Technology. At present, the total amount of Hesai Technology's D round of financing has exceeded $370 million. In this round of finan...[Details]
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