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eo reporter Cai Yixuan from New York It was around 6pm on Saturday, July 13, 2019. Broadway was as busy as usual. The giant LED billboards, the shining big screens and the noisy air in Times S...[Details]

The use of electromagnetic flowmeters in production is already quite common. Since electromagnetic flowmeters have no moving parts and no disturbing or throttling parts that hinder the flow of the me...[Details]

Introduction to Optical Time Domain Reflectometry Optical Time Domain Reflectometer (OTDR) is a very important tool in fiber line testing and acceptance. With the help of OTDR, technicians can see th...[Details]

      A recent project requires  adding new system calls to the ARM Linux kernel to meet the needs of the project. So I searched on Google and Baidu, but the results were not satisfactory. I had to so...[Details]

Rising consumer demand, increasing environmental awareness/regulatory constraints, and a growing number of options are driving the adoption of electric vehicles (EVs), making them increasingly popu...[Details]

Toyota has launched the second-generation Mirai fuel cell vehicle (FCV). The new car has been officially launched in the Japanese market and is equipped with three hydrogen storage tanks. The maximum...[Details]

With the development of science and technology, embedded systems have become the main field of technological development. Linus and Wince are relatively common embedded systems. The embedded develo...[Details]

System integrator Direct Insight has launched the QS8M solder module, which is produced by its long-term partner Ka-Ro Electronic Materials in Aachen, integrating NXP i.MX8M quad-core or dual-core Co...[Details]

Conditions for interrupt response: At this point, we still feel amazing about the computer's response to interrupts. We humans can respond to external events because we have a variety of "sensors" - ...[Details]

This article introduces the working principle and implementation of a 4-level intelligent dimmable electronic ballast circuit using the Microchip microcontroller PIC12F629 and the IR company IRS...[Details]

The main and auxiliary windings of a single-phase motor have a total of 4 lead wires: the main winding is directly connected to the single-phase power supply, and the auxiliary winding is connected...[Details]

Abstract: Power supplies, especially those used in national defense, have increasingly stringent requirements on power supply performance due to the harsh environmental conditions. This paper introduc...[Details]

A high-quality load cell might have a 2-mV/V output transfer capability, which means you get ±2 mV of full-scale output signal for every volt of excitation voltage. With 4.096V excitation and full se...[Details]

The so-called perfect harmonic-free UPS means that this UPS has perfect input and output waveforms. Without the need for any additional filtering devices, it can meet the strict requirements of po...[Details]

Typically, a power factor correction (PFC) pre-regulator boost converter is compensated with a low voltage loop (see Figure 2) to reduce the input current total harmonic distortion (THD). In most a...[Details]