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With the rapid development of social economy and the advancement of science and technology such as computer control technology, people have higher requirements for their living and working environm...[Details]
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In automotive embedded development, the difficulty of developing ECU gateway nodes (GW: Gateway) will increase significantly, including the interpretation of time parameters. This article focuses o...[Details]
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Causes of bad pixels
Due to production defects of LCD panels, it is a common problem for bad pixels to appear on LCD screens. LCD screens are composed of many dots, and each dot is compose...[Details]
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The capacitor is connected to a high level at the top, the resistor is connected to the ground at the bottom, and the middle is RST. The working principle of this reset circuit is: when the power is ...[Details]
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// 0 sets the value in down_counter (beeping frequency)
//-------------------------------------------------------------
static int xiaoyang_beep_ioctl(struct inode *inode, struct f...[Details]
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Today, high-performance components such as MCUs and AFEs are used in a variety of medical devices and small peak performance training devices.
Over the past few decades, medical electronics ha...[Details]
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A 10-minute charge can charge an electric car to 80%, giving it a range of 300 to 400 kilometers, and after 2,500 charge and discharge cycles, the battery capacity is only 8.3% lost. This result has ...[Details]
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1. Common knowledge about DMA. 1. Function: to achieve high-speed data transmission between chips. That is, it can achieve data transmission without occupying the CPU. 2. Mode: There are three tran...[Details]
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introduction
In today's modern life, buses are the most important part of urban transportation. Their operating efficiency and service quality greatly affect urban traffic conditions and c...[Details]
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Photovoltaic cables are often exposed to sunlight, and solar energy systems are often used in harsh environmental conditions, such as high temperatures and ultraviolet radiation. In Europe, sunny d...[Details]
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Common digital potentiometers are generally composed of angle sensor circuits, data processing circuits and signal conversion circuits. The angle sensor circuit is an important part of the digital po...[Details]
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September of every year is the busiest time in the mobile phone industry. This year is the first year of 5G commercial use, and 5G mobile phones have been launched in September. This September, after...[Details]
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Data Types
1. Word length
The data stored in the storage unit (i.e. programming element) of S7-200 SMART PLC are all binary numbers. The length of the data is called word length, which ca...[Details]
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"Charge for 5 minutes, talk for 2 hours" is OPPO's classic advertising slogan; During the MWC2022 conference not long ago, OPPO announced the 150W Super Flash Charge technology, which is said ...[Details]
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In the previous section, when I set up to disable the watchdog, I set WTCON to 0 and masked the interrupt. As shown below:
This section is to mask the interrupt register:
The follow...[Details]
ST - Low Power RF
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