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Function: 8 buttons, frequency measurement and counting, AC voltage, DC voltage, and corresponding protection judgment light indication, using ST7920-12864 LCD display
Hardware: Single op amp hyste...[Details]
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adr: relative addressing, related to the current position ldr: absolute addressing, independent of the current position adr is used when initializing SDRAM. The code is as follows: /* Initialize...[Details]
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Recently, the main FAB building of the 12-inch automotive-grade power semiconductor automated wafer manufacturing center project of Shanghai Dingtai Jiangxin Technology Co., Ltd. (hereinafter referre...[Details]
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As AI is increasingly used in various industries, it will continue to profoundly affect the development and progress of human society and completely change all aspects of technology and human interac...[Details]
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On December 21, 2020, OPPO announced that the Reno5 series super cup will officially debut on December 24. Judging from the promotional poster, OPPO Reno5 Pro+ will be equipped with the flagship sens...[Details]
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Fresh fruits and vegetables are still living organisms after being picked, and they carry out metabolic activities dominated by respiration. Since they are separated from the mother body, the materi...[Details]
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Everything has its service life, and so does the R-type transformer. Although the service life of the R-type transformer is longer than that of ordinary transformers in terms of materials and desig...[Details]
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Today I got a few simple programs for the microcontroller:
Delay program:
void Delay(unsigned int xx) //Input xx: ms
{
while(xx--)
{
...[Details]
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One and a half years after the China Information Security Evaluation Center released version 3.0 of the "White Paper on Independent and Original Evaluation of Information Technology Products", the fi...[Details]
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Xiaomi Technology Park held an opening ceremony, which indicated that Xiaomi officially had its own home and ended its career of renting office buildings. Xiaomi Technology Park has a total of 8 buil...[Details]
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On May 27, the official website of the Ministry of Industry and Information Technology issued a document, publicly soliciting opinions on five mandatory national standards, including the "Safety Re...[Details]
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Robots are gradually infiltrating into people's lives. The saying that various positions will be replaced by robots has spread like wildfire, and even "boyfriends and girlfriends" have robots . Th...[Details]
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With the rapid development of 3G network technology and the enhancement of various functions of 3G mobile phones, it has become possible to use 3G mobile phones to realize video surveillance anytime ...[Details]
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On October 30, the 2020 China (Shenzhen) Integrated Circuit Summit was held. Jia Jun, vice president of marketing for China at Pudifei, delivered a speech entitled "Insight into Opportunities: Trends...[Details]
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Basic knowledge and working principle of triode
The semiconductor triode is also called a crystal triode. It can be said that it is the most important device in the electronic circuit. Its ...[Details]
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