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AVR has different interrupt sources. Each interrupt and reset has a separate interrupt vector in the program space. All interrupt events have their own enable bit. When the enable bit is set and the ...[Details]
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The process of investigating, analyzing and diagnosing faults in the electrical system of CNC machine tools is also the process of troubleshooting. Once the cause is found, the fault is almost elim...[Details]
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In addition to the power conversion circuit, the inverter also includes the power supply of the small signal part, such as the 12V power supply of the PWM signal chip, the single power supply or dual...[Details]
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introduction
In order to measure and compare signals, it is necessary to display different signals or different parts of the same signal on the screen at the same time. All of these...[Details]
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Design of constant current drive circuit for high brightness LED
Abstract: This article discusses a simple circuit that regulates the drive current of a high-brightness LED. The circui...[Details]
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On September 12, Yu Xiaohui, president and deputy secretary of the Party Committee of the China Academy of Information and Communications Technology, said that in the first half of 2021, the world e...[Details]
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【Abstract】This paper describes the development trend and application characteristics of intelligent analysis technology in the field of video surveillance. Combined with the analysis of various cri...[Details]
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Previously, Volkswagen released a pure electric car ID.3, but this model is only sold in Europe. Facing the global market, Volkswagen is about to launch an SUV model - Volkswagen ID.4. Recently, fore...[Details]
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A few days ago, Chen Jin, general manager of Lenovo China's mobile phone business department, revealed a new phone on Weibo. It is reported that the phone will be a flagship phone equipped with...[Details]
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LCD heating element protection technology
Liquid crystal displays are widely used in household appliances, but they are greatly affected by temperature changes. This is because LCDs perform po...[Details]
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At present, single-chip microcomputers have been widely used in home appliances, medical treatment, instrumentation, industrial automation, aerospace and other fields. The more popular types of s...[Details]
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1. Parts of the oscilloscope probe that are easily damaged
To prevent oscilloscope probe failures, you must understand which structures of the oscilloscope probe are p...[Details]
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Demand for consumer electronics is sluggish, and mobile phone lens modules and image sensor chips have been experiencing a certain degree of involution and price wars. Recently, a price increase no...[Details]
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3. Grounding
In practice, there are three basic signal grounding methods: floating ground, single-point grounding and multi-point grounding.
1. Floating ground
Floating ground re...[Details]
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1. Introduction
Blood sugar test refers to the measurement of glucose concentration in human blood. For diabetic patients, blood sugar concentration is an important indicator of...[Details]