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4. Countdown program with preset starting time
In the article "PIC Microcontroller C Language Program (5)" in the 2nd issue of 2010, we introduced the hardware circuit of the clock with preset ...[Details]
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In the first few weeks of this year, photographers from all over the world shared their best macro photography works in the Shot on iPhone Macro Photography Competition, using photos taken with iPhon...[Details]
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Most engineers underestimate the importance of probes. Without probes, an oscilloscope is useless. Probes allow you to observe what is happening with the device under test. There are hundreds of pr...[Details]
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China's Ministry of Information Industry has issued the "YD/T1591-2006 Mobile Communication Handheld Device Charger and Interface Technical Requirements and Test Methods" standard, which aims to unify...[Details]
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The Ibotre all-vanadium liquid flow battery R&D project will be settled in Xifuhe Green Low-carbon Science and Technology Innovation Park in the near future. The project is invested and constructed by...[Details]
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You may start learning about STC microcontrollers, because they can be directly programmed without any programmer, but I have seen some people encounter problems when programming. I often see people ...[Details]
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The power system fault recorder is the foundation for studying modern power grids, and is also an important basis for evaluating the behavior of relay protection and analyzing the nature and causes...[Details]
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Touch-enabled consumer electronics devices are increasing in size every year. Touchscreens are widely used in smartphones and are rapidly expanding to tablets. With the release of Windows 8, touch fu...[Details]
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Digital multimeters, as modern multi-purpose electronic measuring instruments, are mainly used in the measurement fields of physics, electricity, and electronics. Generally, they include functions su...[Details]
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Since the resources of various ARM peripheral configurations are different, I use the LM3S615 from Qunxing, which contains 3-way PWM modules and can generate 6-way PWM waves. SPWM and PWM are...[Details]
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An embedded system is a system that integrates application programs and operating systems with computer hardware. This system has the characteristics of small software code, high automation, and fa...[Details]
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Summary Precision signal chain designers are challenged to meet noise performance requirements in medium bandwidth applications, often ending up with a trade-off between noise performance and accur...[Details]
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As an important profession, surgeons, especially operating doctors, need to have rich professional knowledge and master precise surgical operation techniques, which requires continuous learning and p...[Details]
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Among many circuit designs, TL431 is a controllable precision voltage regulator widely used in switching power supplies. And TL431 has a good reference voltage and operational amplifier, so it can re...[Details]
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Industrial Personal Computer (IPC) is a computer system designed specifically for industrial environments, with the characteristics of high reliability, high stability, and high real-time performan...[Details]
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