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Display design is an important part of all embedded systems. Display devices include LED, character LCM, graphic LCM, VFD, etc. Graphic LCM (such as 128x64, 192x64, etc. dot matrix) can display ASCII ...[Details]
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1. Equipment preparation
① Necessary equipment: computer, simulator, programmer, digital multimeter, electric soldering iron, pliers, screwdriver and other tools. The simulator is used to debug the p...[Details]
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AAPCS defines some standards for the ARM architecture. Here we only focus on the function call part. As shown in Figure 8, AAPCS defines the R0~R15 registers of ARM and clarifies their responsibiliti...[Details]
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Gallium nitride (GaN) is a hot topic in the power electronics industry because it enables designs such as the 80Plus Titanium power supply, 3.8kW/L electric vehicle (EV) onboard charger, and EV c...[Details]
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While power management is critical to the reliable operation of modern electronic systems, perhaps the last "blind spot" that remains in today's systems is the voltage regulator. There is no way for t...[Details]
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Recently, some media discovered a new Huawei patent from the World Intellectual Property Organization website, describing a new type of retractable screen product. Judging from the patent p...[Details]
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1 Performance characteristics of TNY256
·Built-in automatic restart circuit, no external components required. Once output short circuit or control loop open circuit failure occurs, the duty cycle c...[Details]
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Detailed graphic analysis of white light LEDs, how to improve the packaging method of white light LEDs, etc.
In order to obtain sufficient white light LED beams, large-size LED chips were deve...[Details]
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Huawei recently disclosed a new patent that may be useful for fitness enthusiasts. The Qichacha App shows that Huawei Technologies Co., Ltd. recently disclosed a patent for "a message reminde...[Details]
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Refer to "Wei Dongshan 1st Video" Lesson 09 Section 5 u-boot analysis_uboot startup kernel.WMV (1) Start the main kernel command: s = getenv("bootcmd"); debug ("### main_loop: bootcmd="%s"n", ...[Details]
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introduction
In the railway system, in order to ensure the safe operation of the train, it is necessary to conduct real-time detection of the rails and surrounding conditions. The current meth...[Details]
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1 Introduction
The power electronic operation device is the core of power electronic technology. The stability and reliability of a device after it is put into operation are closely relate...[Details]
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This article introduces the design of a high-precision, wide-frequency power signal source for instrument and equipment testing. Traditional power signal sources generally use linear power supplies or...[Details]
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The 8031 single-chip microcomputer has been widely used in my country in the past decade due to its small size, rich resources, and excellent performance-price ratio. Its internal programmable fu...[Details]
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According to a paper published in Nature magazine on the 23rd, teams from the Jackson Laboratory, the Broad Institute of MIT and Harvard, and Yale University used artificial intelligence (AI) techn...[Details]