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According to foreign media reports, many automobile manufacturers around the world are currently trapped by chip shortages. The assembly lines of many manufacturers have reduced production or even st...[Details]
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On August 18, Samsung Display officially announced that today, Samsung Display launched the UPC (Under Penel Camera) technology, which can embed the front camera of the smartphone into the disp...[Details]
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With the development of society, the progress of the times, and the improvement of living standards, people have higher and higher requirements for the safety of their environment. They have to be vig...[Details]
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1. Function: Used to provide the compiler's initialization C library function with the stack information required to set up the user program's stack. 2. __user_initial_stackheap() returns: The bas...[Details]
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There are usually two ways to detect whether the ordinary zinc-manganese dry battery has sufficient power. The first method is to estimate the internal resistance of the battery by measuring the insta...[Details]
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1. Experimental topic: A three-machine fault detection and indication system is simulated in Proteus, as shown in Figure 2. When there is no fault, LED0 is on; when there is a fault, LED0 is off. Whe...[Details]
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Antenna arrays and filters are often tuned by varying the voltage on a barium strontium titanate (BST) capacitor. When this ferroelectric material is used as a capacitor, a simple voltage application ...[Details]
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Recycling power batteries from new energy vehicles for home power supply is not simply for environmental protection reasons.
According to Toyota's new energy promotion plan, the first pure...[Details]
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1. The first level alarm setting value of combustible gas should be less than or equal to 25%LEL. 2. The secondary alarm setting value of combustible gas should be less than or equal to 50%LEL. 3...[Details]
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4 Thermal conductivity and emissivity of heat dissipation materials 4.1 Thermal conductivity of heat dissipation materials The thermal conductivity of a material reflects the strength of the material...[Details]
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Writing efficient and concise C language code is the goal pursued by many software engineers. This article is to explain some of the experiences and lessons learned in programming. The first trick: t...[Details]
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There is more and more news about Samsung's Galaxy S21 series of mobile phones. Recently, the source @Guidingdroid also released a set of the latest renderings of the Galaxy S21. ...[Details]
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1. Preparation work 1. Development environment: Keil C integrated development environment 2. Source code: The source code of UCOSII can be downloaded online. 3. Document analysis: 1) Processor-indepe...[Details]
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The triangle wave generating circuit is shown in the figure. It is a general triangle wave generating circuit. In this circuit, operational amplifiers A1 and A2 are positive and negative peak detecti...[Details]
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In recent years, communication operators have been competing to improve the status of wireless local area networks (WLANs), not only viewing them as an auxiliary means of wired broadband access, but ...[Details]
Analogue and Mixed Signal
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