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Next, we will use the MF47 multimeter to introduce the structure of the pointer multimeter. The MF47 multimeter is a highly sensitive, multi-range portable rectifier meter that can measure basic it...[Details]
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Apple will release the new iPhone 15 series mobile phones in September 2023. In the past few months, many rumors about new phones have been circulating on the Internet. Judging from the current situa...[Details]
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Introduction
Zero-IF receivers are not new; they have been in use for some time, with cellular handsets being a key application area. However, their use in high-performance receivers such as...[Details]
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Recently, there has been new progress in South Korea's Kwico semiconductor laser project. According to Weihai News Network, the workshop of South Korea's Kwico semiconductor laser project has entered...[Details]
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As early as a few years ago, automakers such as Ford, Hyundai and Land Rover have begun to try to equip some of their high-end models with puddle lights. When in night conditions, they ca...[Details]
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The concept of three-phase synchronous motor
The three-phase synchronous motor is a type of AC rotating motor, named because its speed is always equal to the three-phase synchronous speed. The...[Details]
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1. Introduction
The CAN (Controller Area Network) bus was first proposed by the German company BOSCH to realize microcontroller communication in the automotive environment, exchange information betw...[Details]
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DC-DC is a commonly used device in the hardware development process, mainly used to obtain a specific DC voltage. The working principle of DC-DC is not explained here, but only a small problem found ...[Details]
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The exam was over and I was bored. I happened to have a 51 study board on hand to tinker with. The control tasks are as follows: P1.0 controls an LED light, on for 0.5s and off for 0.5s. Design ide...[Details]
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Recently, Anhui issued the "Work Plan for Unveiling the Tasks of Producing Products to Make Up for Shortcomings in Key Areas and Researching Key Technologies" (hereinafter referred to as the "Work Pl...[Details]
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On October 19, the USB-IF organization officially released the new USB4 v2.0 standard specification, bringing a new generation of USB 80Gbps interface and a new naming system. When it comes to naming...[Details]
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When the motor is running, it is generally allowed to be overloaded for a short time (output power exceeding the rated value is called overload). However, if the overload time is too long, the temp...[Details]
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On May 27, Lu Weibing, vice president of Xiaomi Group and general manager of the Redmi brand, officially announced that the global sales of the Redmi Note 7 series of mobile phones exceeded 10 millio...[Details]
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Mr. Wang, who lives in a rural area in northern Jiangsu, recently installed a household grid-connected photovoltaic power generation system, which enables him to generate electricity for his own us...[Details]
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According to market news on October 21, BYD intends to integrate its self-developed intelligent driving team under the New Technology Institute, with the goal of achieving mass production of self-d...[Details]
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