Hello everyone, this is a project I made with protel99. However, every time I split the electrical layer and route the DRC, I always get 25 "warning" prompts, as follows: The specific content is also ...
In learning, teachers are a very critical link. This is certainly no exception for embedded learning. Therefore, in embedded learning, teachers are one of the most important factors. What kind of teac...
1. The above schematic diagram only describes the key parts, and the details are not described. For example, the data must first be input through the data selector before entering 8168. 2. The system ...
"P1.0 (TA0), P1.2 (TA1), P2.0 (TA2)" and "P1.3 is not a TAx pin" appear in the book
1 Does it mean that the output of TAx pin is one bit?
2This is the pin diagram of 5438. What are TA0.0 TA0.1 TA0.2?
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I am currently debugging an RTC chip, which is read and written through IIC. Currently, the simulation method is used. The problem now is that if I use a normal IO port for simulation, there is no pro...
Dear experts, the first picture is the question requirement, and the second one is the program. I would like to ask why the mark is XT1LFOFFG instead of XT1HFOFFG?...
introduction
Oxygen is an important substance for human metabolism. Brain tissue has a high metabolic rate and consumes about 20% of the total oxygen in the body. In the clinical rescue and ...[Details]
With the advancement of computer technology, the development of image processing and pattern recognition methods, fingerprint processing technology has become more mature and has been widely used i...[Details]
At present, the global medical electronics industry is gradually showing attractive development prospects, and the speed of product replacement is constantly increasing. At the same time, due to the p...[Details]
introduction
The data detected by various measuring instruments often need to be transferred to the PC for data processing and archiving, so as to make full use of the rich hardware and softwa...[Details]
1 Introduction
In recent years, with the rapid growth of mobile phones and MP4 video players, it is estimated that the production of mobile phones this year will reach 1 billion units, and...[Details]
introduction
Video surveillance systems are widely used in industrial, military and civil fields, playing an important role in the security and environmental monitoring of these industries...[Details]
MOSFETs are widely used as power switching elements in regulators and motor controllers. They are available as discrete devices or integrated into ICs in various H-bridge configurations.
A hig...[Details]
Combined with Samsung's ARM9 series embedded processor S3C2410, this paper explains how to perform modular programming of LCD driver and how to statically load the driver into the system kernel.
...[Details]
1 Introduction
Reliability research originated from weapon systems. After nearly half a century of development, it has become an engineering discipline that covers all disciplines and industri...[Details]
Introduction: Generally speaking, the power supplies used to drive today's high-resolution analog/digital converters have AC or DC loads of hundreds of ohms or more. Therefore, an operational ampli...[Details]
With a 31-step dimming range, existing LED drivers offer good dimming capabilities, providing smooth backlight boosting or dimming effects for LCD displays. However, when the end application involv...[Details]
This Design Idea shows how to keep telecom equipment operational during brief brownouts. First, it is important to understand a few details about the power supplies used for telecom equipment. The ...[Details]
0 Introduction
With the continuous progress of society and the improvement of people's living standards, environmental protection and energy conservation have received more and more attention....[Details]
Femtocell is similar to Home Node B, a small, low-cost cellular access point used to improve network coverage in personal residences and small business buildings. Usually, it is directly connected ...[Details]
1. Overview:
Electronic sphygmomanometers are currently widely used and promoted due to their advantages such as non-invasiveness, simple operation, and portability. There are many methods...[Details]
PCB Design
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