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The awareness and demand of various enterprises and organizations to protect personal safety and private and public property are increasing. With the development of video surveillance technology, i...[Details]
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Standard SDRAM is divided into 66MHz SDRAM (commonly known as PC 66, but PC 66 is not a formal term), PC 100 and PC 133, with standard operating frequencies of 66MHz, 100MHz and 133MHz, and correspond...[Details]
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In the previous I/O control article, when the program needs a delay, we use loop statements to implement it. This method is simple to delay, but not very accurate. When precise delay is required, ...[Details]
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For some reason, Youshan Company has not released a good u-boot. We have ported the 2008.10 version of u-boot before, and recently, we ported the 2009.08 version of u-boot.
After the transplan...[Details]
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Recently, the Chengdu Municipal People's Government issued the "Chengdu Action Plan for Optimizing Industrial Structure and Promoting Urban Green and Low-Carbon Development", which mentioned:
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SP: Stack pointer. (Specially used to point out the address of the data at the top of the stack.)
Stack introduction: This phenomenon is common in daily life. The dishes washed at home are stacked o...[Details]
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The semiconductor industry has Moore's Law, and the LED industry also has the so-called Haitz's Law, which means that the brightness of LEDs can be doubled every 18 to 24 months, and every 10 years, ...[Details]
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Whether a transistor is a high-frequency tube or a low-frequency tube can be found in the manual, and it can be seen in the measurement if there is a professional instrument. If these two methods a...[Details]
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On March 3, Apple announced that it will hold a spring conference at 2 a.m. Beijing time on March 9, with the theme of high-energy transmission (Peek performance). According to leaks, Apple may relea...[Details]
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PFC-SEPIC LED Driver PFC stands for "power factor correction," SEPIC stands for "single-ended primary inductor converter," and, of course, LED stands for "light-emitting diode," and combining the...[Details]
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For electronics enthusiasts, the multimeter is a familiar universal testing tool. It is an essential and basic testing and measurement tool. In the past, multimeters were also called "three-purpose m...[Details]
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8051 is a very typical product of the MCS-51 series of microcontrollers. We use this representative model to explain the system's microcontroller principles. The 8051 microcontroller includes sever...[Details]
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The current fast charger cannot charge quickly according to the characteristics of the battery itself, resulting in more gassing, high temperature rise, and shortened battery life. In response to the...[Details]
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1. Internal block diagram
This dual Σ-Δ analog-to-digital converter with auxiliary DAC recently launched by AD is a complete 15-bit CMOS analog-to-digital converter. It has high sampling r...[Details]
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In the past month, I have read a lot of advertisement-style LED driver IC introductions, and I feel that there is nothing new, that is, the IC is not made into a real LED dedicated driver, and there ...[Details]
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