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According to foreign media reports, Apple analyst Ming-Chi Kuo said in a research report that Apple plans to mass-produce a redesigned MacBook Air starting in the third quarter of 2022, which will be...[Details]
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Schematic Key debounce For mechanical switches, when the mechanical contacts are opened and closed, due to the elasticity of the mechanical contacts, a switch will not be immediately and stably co...[Details]
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1 Introduction
Today, with science and technology and social production highly developed, intelligent test instruments and instrumentation systems are developing rapidly, and the span of t...[Details]
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On August 22, a pure electric bus drove from Hefei Yaohai Industrial Park to Tongling and returned along the same route, covering a total distance of nearly 400 kilometers without charging. This in...[Details]
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Three-phase inverter circuit
Figure 2 Three-phase inverter circuit diagram
When the three-phase inverter is working normally, its circuit structure is shown in the figure.
In the figure, Qi ...[Details]
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MOV PC,LR BL NEXT ; Jump to subroutine .........; Execute at NEXT NEXT .......... MOV PC,LR ；Return from subroutine Here BL means jump, and LR (R14) stores the return address. PC (R15) is the current...[Details]
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The voltage and current measurement values of the power analyzer are not displayed or are incorrect. This problem usually occurs and is generally caused by three situations. They are as follows: 1....[Details]
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Working principle of the circuit: The lighting power supply is directly powered by a 220 V AC power supply, and a capacitor is used to limit the current. The VD6-VDs diode branch next to the white L...[Details]
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This is a household inverter power supply circuit diagram with excellent performance . The materials are easy to obtain and the output power is 150W. The design frequency of this circuit is about ...[Details]
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The autonomous vehicle market is growing at an incredible rate, and functional safety for conventional, hybrid, and electric vehicles plays an important role in obtaining the required certification...[Details]
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The error of an instrument refers to the difference between the indicated value of the instrument and the actual value being measured, while the accuracy refers to the closeness of the indicated valu...[Details]
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The development of switching power supplies has freed power supplies from bulky and inefficient transformer linear power supplies. However, with the development of electronic technology, many dev...[Details]
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On May 13, according to Taiwan media Economic Daily, there are rumors that MediaTek will work with NVIDIA to develop an ARM architecture AI PC processor. It is expected to complete the design (tape...[Details]
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The fire at Notre Dame de Paris on April 19, 2019, caused grief and heartache for hundreds of millions of people around the world. That night, a WeChat message spread across the circle of friends: "D...[Details]
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The domestic automotive-grade Hall current sensor CH704 is an isolated integrated current sensor chip developed for large current detection applications above 50A. It has the advantages of high pre...[Details]
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