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In recent years, portable music players have become very popular. There are many reasons for this, such as the massive amount of compressed music content, the continuous decline in data storage costs,...[Details]
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The continuity and discreteness of the concept of time in FMU are actually attributes of variables. And FMU can contain variables of continuous time or discrete time. This can be seen in the FMU co...[Details]
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This content introduces the knowledge of PCI bus/PCI-X interface and PCI-PCI-Express, and explains the connection between PCI, PCI-X and PCI-Express.
PCI Bus
The PCI bus is a local bus that is no...[Details]
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A colleague in the company always asks me: Can the oscilloscope be directly connected to the 220V voltage between the live wire and the neutral wire? Will it explode? Because it did explode once befo...[Details]
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Step 1: Install the development tools I downloaded Keil 4 (MDK) according to the book, but encountered various problems and could not install the STC series products. I calmed down and thought about...[Details]
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The process of global urbanization is still advancing with an unstoppable trend. By 2050, nearly 70% of the world's population will live in cities. Asia, where populous countries such as China and ...[Details]
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Spectrum analyzer is a commonly used test instrument in radio frequency and microwave applications. Through spectrum analyzer testing, many important performance parameters can be obtained, such as s...[Details]
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The common low-resolution linear
digital potentiometer
is transformed into an exponential and high-resolution one by using a single-chip microcomputer, so that the general-purpose digital pot...[Details]
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The new federal energy law in the United States requires that low-efficiency lighting bulbs such as the common 60W~100W incandescent lamps be phased out by 2012. Home lighting systems will be fully tr...[Details]
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Difference between synchronous motor and asynchronous motor
A synchronous motor is an AC motor that generates torque by the interaction between the excitation magnetic field of the DC
powe...[Details]
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Someone told me he had a 4-20mA current source. He wanted to determine if the current was out of range, or if the wire was broken! But no one knew how to detect that. If you want a tough challenge,...[Details]
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8031 and DAC0832 double buffer interface circuit
Interface and application of double buffering mode In the case of multi-channel D/A conversion, if synchronous conversion output is required,...[Details]
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RFID handheld devices are widely used in transportation, access control, logistics, attendance, cargo management, and identity recognition. RFID handheld devices have high requirements for power ...[Details]
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In industrial cooling water systems such as steel plants and power plants, it is necessary to quickly and accurately measure and adjust the concentration of water treatment agents. Therefore, ...[Details]
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On the evening of October 22, at the HarmonyOS Night and Huawei's All-Scenario New Product Launch Conference, my country's first domestically produced mobile operating system, Huawei's HarmonyOS NE...[Details]
Motor Drive Control（Motor Control）
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