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There is an 8031 chip, which is expanded by an 8255A. If port B of 8255A is used as input, each bit of port B is connected to a switch, and port A is used as output, each bit is connected to a ligh...[Details]
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When talking about the development of new energy vehicles, we cannot avoid the issue of power batteries, which are called the "heart" and "soul" of new energy vehicles. The technical level of power b...[Details]
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Have you ever thought that hackers are collecting, transmitting, and even analyzing your privacy through the smart home products you use? They can use only a computer to know the status of sockets, l...[Details]
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There are many clock sources that can be selected in stm32. You can refer to the stm32 data sheet. Here is the clock diagram in the manual. In the description of the stm32f103 series, it can be s...[Details]
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Every time you write a program, it is inseparable from the application of data. It is also crucial to understand the data types in the process of learning the C51 language. First look at Table 3-1, w...[Details]
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The first step is to download a development environment. There are two types of PIC development environments: MPLAB IDE and MPLAB X IDE. X requires JAVA to be installed, so it is recommended to inst...[Details]
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Today, the first investment project of the National Integrated Circuit Industry Investment Fund Phase II (hereinafter referred to as: Big Fund Phase II), the Ziguang Zhanrui project, has been signed....[Details]
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According to foreign media reports, Apple has informed at least one Chinese supplier to start shipping parts for the 2020 iPhone SE to its Indian manufacturing partners, initiating the process of ass...[Details]
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According to foreign media reports, the European Union has officially launched an antitrust lawsuit against Apple. This is the first time the EU has filed an antitrust lawsuit against Apple. This m...[Details]
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In the test function, there is a function eeprom_open("/dev/i2c/0", 0x50, EEPROM_TYPE_8BIT_ADDR, &e); the call inside is as follows int eeprom_open(char *dev_fqn, int addr, int type, struct eeprom*...[Details]
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Ball pins are widely used in the connection, fixation and positioning of automobiles and other important equipment. Their reliability has a significant impact on the working reliability and safety of ...[Details]
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I still remember when I joined Shangao China in January, I frequently heard the prediction that "2019 will be the most difficult year", and I was skeptical. After all, for a striver, every step is no...[Details]
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This afternoon, Continental announced its latest progress in the field of ultra-wideband (UWB). Li Ping, R&D Director of Entry Systems Asia at Continental's Engineering Technology Center, gave an in-...[Details]
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The proportion of renewable energy in Japan's power generation exceeded 20% in 2021. The Japanese government has proposed to increase the proportion of renewable energy power generation to 36-38% b...[Details]
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In the last EV Focus column, we talked about why electric vehicles need to use 800V, and also roughly understood the relationship between SiC and 800V. In this issue, we will zoom in and talk about...[Details]
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