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I have been working on the power consumption of PIC microcontrollers. Since the project is powered by batteries, the power consumption issue is very important. According to the data sheet and informa...[Details]
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The essence of ARM serial port driver
1. The receiving module of the serial port of the LPC2000 series chip includes a receiving buffer register and a shift register. After the received data enters t...[Details]
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Summarize the problems encountered before:
1. For similar problems:
mtd- read(0x44 bytes from 0x68cf44) returned ECC error
jffs2_get_inode_nodes(): CRC failed on node at 0x0068c684: Rea...[Details]
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Here we are talking about simulated IIC, not hardware IIC. Why use software simulated IIC instead of hardware IIC? In addition to the problems of ST's IIC module itself, it is also because hardware I...[Details]
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On October 21, Foreign Ministry Spokesperson Zhao Lijian hosted a regular press conference. A reporter asked about Sweden's ban on Chinese companies from participating in its 5G construction on the g...[Details]
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On the evening of November 3, blogger @数码闲聊站 broke the news that he heard that a large manufacturer was promoting the scroll screen, which is much cooler than the folding screen. Previously, O...[Details]
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The source program for controlling a common servo microcontroller is as follows: /********************************************************************** This experimental routine still realizes a ...[Details]
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Lighting is a critical link in the measurement process of image measuring instruments. A good lighting solution plays a vital role in accurately measuring various values of the measured object. In ...[Details]
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The so-called PWM DC/DC converter is composed of power semiconductor devices (switches and diodes) and energy storage elements (inductors or capacitors). Through the PWM on/off control of the switc...[Details]
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Yesterday, realme X2 Pro received a system update. The specific contents of this update log are as follows: application ● New realme Link Screen Recording ● Optimize screen recording function syste...[Details]
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Waymo CEO John Krafcik posted a photo on Twitter, which showed a Volvo car with the Waymo logo printed on the rear window, with the caption "(Love) Waymo Volvo". This is considered to be a hint that ...[Details]
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On May 27, Nandian, a major IC substrate manufacturer, held a shareholders' meeting. Its senior vice president Lu Lianrui said that ABF is in short supply and there is no product to replace ABF so fa...[Details]
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Automatic shutdown time setting: Generally, digital multimeters use RC time-delay discharge method to achieve automatic shutdown. The main disadvantage of this method is that the time delay shutdown ...[Details]
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At present, the measurement methods of inner diameter in China are mainly contact measurement. However, due to the wear of measuring tools and human factors, the measurement error of contact ...[Details]
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On October 24, OPPO, the world's leading smart terminal manufacturer,
released its latest flagship mobile phone Find X8/X8 pro, which features a thin and light straight screen and imaging flags...[Details]
Mobile and portable
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