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#include"reg51.h"
#define uchar unsigned char
#define uint unsigned int
sbit lcdrst=P3^0;
sbit cs2=P3^5;
sbit cs1=P3^4;
sbit e=P3^2;
sbit rw=P3^ 3;
sbit rs=P3^1;
uchar code liu ={0x00...[Details]
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On August 25, Zhenxin Technology released its 2020 semi-annual report. During the reporting period, the company achieved operating income of 170 million yuan, a year-on-year decrease of 10.3%; the ne...[Details]
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Overview:
With the development of society, there are more and more pipelines (heat, water, electricity, oil, gas, etc.). The collection and timely transmission of pipeline network measurement poi...[Details]
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In daily work and life, especially as a hardware engineer, we often encounter situations where we don’t know whether an LED is good or bad. In fact, it is very easy to judge, and a multimeter is enou...[Details]
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High-voltage inverter power supplies
are increasingly being used
in ozone generators, sewage treatment, flue gas desulfurization, high-power lasers, plasma discharge and other technical fiel...[Details]
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STMicroelectronics launches PowerGaN series of gallium nitride power semiconductors, making power supplies more efficient and thinner
Gallium nitride (GaN)-based products can achieve hig...[Details]
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On November 8, the official WeChat account of Beijing Institute of Technology published a blog post yesterday (November 7), reporting that the team of Academician Zhang Jun of the school pioneered ...[Details]
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I remember a sentence Socrates said, "A person's knowledge is like the area of a circle, and the scope of knowledge is the circumference of the circle. The more you know, the more you discover you d...[Details]
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CINNO Research Industry News: Seoul Semiconductor has entered Samsung Electronics' Mini LED supply chain. Although the supply is not large, it is expected to be of great significance in expanding coo...[Details]
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1 Introduction
Voltage-stabilized power supply modules are widely used in circuits. Currently popular ones include LM78 and ASM117 series. Most of them have only 3 pins, simple structure and...[Details]
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With the disappearance of the demographic dividend and the continuous increase in labor costs, traditional manufacturing has gradually shifted from labor-intensive to technology-intensive. More and m...[Details]
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The iPhone 13 has gone from future tense to present tense. For the Apple team and industry chain partners, a large part of their energy will begin to shift to the development of the next-generation p...[Details]
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You Zheng, Vice President of Tsinghua University:
The world today is facing unprecedented challenges. Sustainable energy development is a major issue facing the world. my country is facing...[Details]
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China Energy Storage Network News:
Author Pan Helin is the co-director and researcher of the Digital Economy and Financial Innovation Research Center of Zhejiang University International Bu...[Details]
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In the design of the driver, we may use flush_cache_all to flush the contents of the ARM cache to the RAM, because the cache in ARM Linux is generally set to write back. Usually, DMA cannot access ...[Details]
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