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1. Introduction
Many MCU beginners always say when they communicate with me that I am a MCU beginner now, how can I learn MCU faster, is there a market for learning MCU? For this question, I ...[Details]
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On the evening of December 11, Yiwei Lithium Energy announced that the company held the 42nd meeting of the fifth board of directors and reviewed and approved the "Proposal on the Joint Subscription ...[Details]
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The "2019 Electricity Market Annual Report" (hereinafter referred to as the "Annual Report") recently released by the Beijing Power Exchange Center shows that in 2019, the direct trading volume of ...[Details]
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S7-1200 CPU communicates with S7-200 SMART S7 (S7-1200 as server)
For S7-200 SMART CPU firmware version V2.0 and above, the integrated PROFINET communication interface supports S7 communicatio...[Details]
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#include avr/io.h #include avr/interrupt.h #include avr/signal.h #define uchar unsigned char #define uint unsigned int uchar g_bTxdPos=0; //Send positioning counter uchar g_bTxdLen=0; //Waiting f...[Details]
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CANFD and automotive Ethernet have been widely used in the new generation of intelligent connected vehicles, but they also bring new challenges to engineers in vehicle testing and troubleshooting. To...[Details]
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In recent years, Sino-US trade frictions have intensified, prompting domestic terminal manufacturers to worry about the security of the supply chain. As the US government has included a series of out...[Details]
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Use 74hc573 to realize the 24-hour clock display of digital tube. If you don't know about the 74hc573 chip, you can look at the manual in the file. Without further ado, here is the code /*The fol...[Details]
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As the most commonly used instrument for electronic engineers, oscilloscopes have evolved from the earliest analog oscilloscopes to digital storage oscilloscopes and digital phosphor oscilloscopes, a...[Details]
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Mobile payments are becoming increasingly popular, and the world's largest banknote printer recently warned that its future will be "strangled" by mobile payments. According to foreign media report...[Details]
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Problems: When using the AVR parallel port download cable, in order to save costs and facilitate use, the pins on the parallel port and the download program are connected in series with a 330 ohm r...[Details]
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Abstract: ICE1QS01 is a quasi-resonant controller for switching power supplies that supports low-power standby and power factor correction (PFC). The basic structure, working principle, applicati...[Details]
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Jiwei.com reported on February 23rd that today Meizu Technology announced that it will officially hold the 2021 Spring New Product Release Week from March 1st to March 3rd. On March 1st, the 18th ann...[Details]
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不可否认，如果将
led
技术与节能灯或荧光灯相比的话，节省的能量成本并不显著。但换个角度看，如果考虑到维护成本，例如更换仓库高高的天花板、繁忙的工厂大厅、购物中心或者难以接近的信号系统等所使用的照明灯所产生的人工成本，很明显要大大高于能量成本。如果确保正常冷却或者结温的温度控制在80°C以下，
LED灯
的寿命可以轻松达到100,000小时。这相当于连续工作12年以...[Details]
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The servo motor encoder is an important component of the servo system. Its function is to convert the servo motor's rotation position, speed and other information into electrical signals to provide...[Details]
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