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IC CHINA 2020 was held at the Shanghai New International Expo Center from October 14 to 16. As a global leading provider of semiconductor microsystem integration and packaging and testing services, J...[Details]
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1. The process of calling the application when setting the volume
（1）strace分析： amixer cset numid=1 30 (设置音量)
/dev/snd/controlC0
open
SNDRV_CTL_IOCTL_CARD_INFO
SNDRV_CTL_IOCTL_P...[Details]
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1 Introduction
SPI (Serial Peripheral Interface) bus system is a synchronous serial peripheral interface, which enables MCU to communicate with various peripheral devices in serial mode to exc...[Details]
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Trina Solar Co., Ltd. (hereinafter referred to as the "Company"), a wholly-owned subsidiary of Jiangsu Trina Solar Power Development Co., Ltd. (hereinafter referred to as "Trina Power" or "Party B"...[Details]
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main.c 1 #include reg51.h 2 #include api.h 3 4 #define uchar unsigned char 5 6 /***************************************************/ 7 #define TX_ADR_WIDTH 5 // 5-byte width of the ...[Details]
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1. Servo preparation Servo is a must-learn module for beginners of single-chip mechanical control. Servo is also used for control in some robot joints. Learning and mastering the use of servo is ou...[Details]
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1. Bus operation of S3C2410 First, let's talk about the concept of bank in processor storage space. Taking the 32-bit processor 2410 as an example, its theoretical addressing space is 4GB, but 3GB o...[Details]
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Today is December 31st, the last day of 2021. Many companies have made their year-end summary and reviewed the course of the year. Honor CEO Zhao Ming also posted a long article on Weibo, wh...[Details]
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introduction
Aiming at the actual needs of electric vehicle research, this paper designs a data recording device, which is built on the basis of the battery energy management system. By communicati...[Details]
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According to foreign media reports, British Prime Minister Johnson plans to significantly reduce Huawei's participation in the UK's 5G network infrastructure to zero by 2023. However, Chinese Ambassa...[Details]
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Say the term smart grid and many people will first think of the new electric meter that recently appeared outside their home. But ask an electrician and he will describe the most profound change in ...[Details]
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Recently, due to work needs, I used STC89C52 to develop new products. I needed to use the Eeprom function of STC. I also found some information on the Internet and got a lot of help. I am really grate...[Details]
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0 Introduction
Serial Peripheral Interface (SPI) is a high-speed synchronous serial input/output port. In recent years, it has been widely used in the expansion of external devices such as shif...[Details]
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Wirebond once dominated this market, when most chips were relatively uncomplicated and had long product cycles—sometimes as long as 5 to 7 years. But as automakers begin planning for a faster-paced f...[Details]
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In the power supply and distribution system, the distribution transformer monitoring terminal (TTU) is used to collect and control the information of the distribution transformer. It monitors the o...[Details]
PCB Design
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