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1. Transplantation of wm_redraw.c In my previous note, I talked about how to port ucGUI to STM32 to develop bare-metal programs. In this note, I will analyze the porting and source code of wm_red...[Details]
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1. Auto-coupling pressure reducing start
Auto-coupling decompression starting is one of the starting methods for cage induction motors (also known as asynchronous motors). It has the advantage...[Details]
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Ultrasonic level meter adopts non-contact measurement technology, uses the time difference between sound wave emission and reception, and the propagation speed of sound waves to calculate the height ...[Details]
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Video surveillance system is a comprehensive system that integrates computer processing technology, network communication technology and digital audio and video coding and decoding technology. As a m...[Details]
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According to Hong Kong's Wen Wei Po, the rainy season has arrived. On the 16th, Hong Kong Development Bureau Director Wong Wai-lun pointed out that in order to protect the health of trees and...[Details]
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After working for 7 months, I have gradually become familiar with microcontroller programming. Before, I always knew that a microcontroller is a timer, state machine, and interrupt. The combination ...[Details]
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Hardware and environment: 1. Operating system: Win7 Ultimate Edition 2. stm32f030 development board 3. ST-LINK V2 downloader 4. 4 Dupont lines with a length of 15 cm Hardware connection method 1. T...[Details]
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With the continuous development of automatic control theory and digital computers and their application technology, computer-based control technology has developed rapidly. The controlled objects are ...[Details]
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The latest research report released by market research firm Counterpoint on January 4 showed that the release of the new iPhone was postponed to October this year. However, surprisingly, the iPhone 1...[Details]
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There are reports that Huawei's TV shipments will reach 10 million, which will make it the leader in the domestic TV market. Boying Technology believes that its entry into the home appliance market a...[Details]
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Apple today released the iOS 14.3/iPadOS 14.3 RC candidate version, the specific version number is 18C65, which is now available for download to developers and public beta users. IT Home le...[Details]
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In the recent new energy market, CATL, known as the "King of Ning", is in a good momentum. In the past 2021, CATL not only accounted for more than half of the power battery shipments, but also repeat...[Details]
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US President Trump signed an executive order on maintaining US artificial intelligence leadership. That month, a Protivity survey on artificial intelligence and machine learning showed that only 16% ...[Details]
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In the past seven days, Taiwan CEOs have issued unusual warnings... As the world watches the trade war go on and off and is on the verge of information paralysis, entrepreneurs at the forefront of ...[Details]
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PC: CentOS5.4
Kernel: Linux 3.0.1
Development board: ok6410
Cross compiler: arm-linux-gcc 4.4.1
1. Make menuconfig to remove the original touch screen driver
- Device D...[Details]
Power technology
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