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The Huawei Mate 40 series adopts a curved screen design, a 90Hz high refresh rate screen, and a 240Hz touch sampling rate. Huawei Mate 40 and Mate 40 Pro capture the colors of the vast sky, bright bl...[Details]
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1 Overview
The DC-DC converter is the core component of the switching power supply, and is commonly divided into two circuit topologies: forward and flyback. The power processing circuit o...[Details]
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DS18B20 is the most commonly used to learn a new development tool. The programs are similar. The main thing is to pay attention to the delay in the timing and the correct instructions. Record them he...[Details]
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The high and low voltage switch cabinet power-on test bench is widely used by high and low voltage switch cabinet manufacturers to conduct various power-on tests on the high and low voltage switch ...[Details]
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Writing a MCU program is also a program, and it is also necessary to follow some basic principles of writing software. It is not as simple as completing the function. All the C language MCU books I h...[Details]
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Jiwei.com News: Recently, companies listed on the Shenzhen Stock Exchange's Growth Enterprise Market have successively released their third quarter 2019 performance forecasts. As of today, the perfor...[Details]
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In today's industrial automation and process control applications, there are a large number of sensors that measure many process parameters, such as pressure, temperature, toxic gases, and pH. These s...[Details]
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When it comes to startup code, I feel depressed. Programs under IAR all fail here. Many problems in Keil are solved by tinkering with the startup code. In a word: success or failure is due to the star...[Details]
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#include
#define uchar unsigned char
#define uint unsigned int
sbit k3=P3^5;
sbit sound=P0^4;
bit FY=0; //When playing music, FY=1, when playing the keyboard, FY=0
uchar Song_Index=...[Details]
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Vector network analyzer is a kind of electromagnetic wave energy testing equipment. It can measure the amplitude and phase of various parameters of a single-port network or a two-port network. The ve...[Details]
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introduction
Infrared (IR) proximity sensors are currently widely used in smartphones to prevent accidental touches of the touch screen caused by the user's face during calls, while reducing pow...[Details]
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Google held its autumn new product launch conference in New York today, launching its new smartphones Pixel 4 series, Pixel Buds headphones, Pixelbook notebooks and other new products. This is a ha...[Details]
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1 Introduction Iris Semiconductor's wheel speed sensor chip provides several different output protocols. Each output protocol has some differences in the output signal, corresponding to different a...[Details]
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In order to further optimize the company's production capacity layout and enhance the influence and comprehensive competitiveness of the company's business, Guangzhou Penghui Energy Technology Co.,...[Details]
DSP and ARM Processors
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