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What is a pull-up resistor? Why is the pull-up resistor of a button 10k ohm? Answer: A pull-up resistor connects an uncertain signal to the power supply VCC through a resistor and fixes it at a hig...[Details]
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1 Introduction
As the requirements for image acquisition in scientific research are increasing, the storage capacity and speed of the number image acquisition system have been put forward hi...[Details]
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Clamp-on ground resistance tester is also known as clamp-on ground resistance tester, and its English name is clamp-on ground resistance tester or ground resistance tester. Widely used in ground resi...[Details]
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Delay program for C51 microcontroller (STC11L32/48/60XE):
void delay_us(U8 us)
{
do
{
_nop_();
_nop_();
_nop_();
_nop_();
_nop_();
_nop_();
_nop_();...[Details]
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2 Basic principles of measurement
Figure 3 shows a principle block diagram of a network analyzer. When measuring an inverted-F antenna, the instrument first sends a frequency sweep signal and s...[Details]
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Capacitive sensors generally convert the measured change into a change in capacitance. At present, various types of sensors based on this principle have been widely used in measuring acceleration, li...[Details]
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If the temperature rise inside the switching power supply is too high, it will cause the failure of temperature-sensitive semiconductor devices, electrolytic capacitors and other components. When t...[Details]
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Che Dongxi News on May 4, according to CleanTechnica reports, recently, China Aviation Aviation (CALB) launched a new U-shaped battery. The battery supports 6C super fast charging and can fully ...[Details]
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In China, people's pursuit of science and technology has always accompanied the process of China's modernization. In recent years, science and technology have become a hot topic of concern to the who...[Details]
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Using constant pointers in PIC
Constant pointers are very flexible and can bring a lot of convenience to programming.
I have tested it and found that PICC also supports constant pointers and...[Details]
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Enhance Renesas wide bandgap expertise and product roadmap development to address electric vehicles, data centers, Artificial Intelligence Power and Rapidly Growing Market Opportunities in Renewabl...[Details]
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Google held the I/O conference in San Francisco on June 27, US time. It is worth noting that the number of devices equipped with the Android operating system has tripled in one year. At this time last...[Details]
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The author uses TMS320LF2407 as the control chip of the system, and builds a low-power Chinese human-machine interface at 3V level by selecting a suitable LCD display module. This Chinese human-m...[Details]
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IoT devices This summer brings some exciting news for IoT developers. The GSMA's newly released IoT framework makes it easy to integrate the embedded SIM card eSIM with IoT devices. Of course...[Details]
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On October 25, according to the Korea Economic Daily, sources revealed yesterday that Tesla is negotiating with SK Hynix and Tesla may place an order for 1 trillion won (currently about 5.159 billi...[Details]
DIY/Open Source Hardware
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