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On October 22, Huawei Developer Conference 2021 (Together) was held in Songshan Lake, Dongguan, and the HarmonyOS 3 developer preview was officially released. HarmonyOS has been continuously iteratin...[Details]
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The UART of s3c2440 is similar to that of stm32 and 51. But I still write about it. It is just my own summary. (This article only covers the basic situation of UART. As for the program, it only has t...[Details]
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Now smart hardware has penetrated into every field around us. Not only do we have a wide range of smart wearable devices from head to toe, but home appliances are also becoming more and more intel...[Details]
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With the improvement of industrial production automation level, various sensors are being used more and more. As a sensor for speed and displacement feedback, rotary encoders are mainly used in CNC m...[Details]
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1. Multiplexing of IO ports I'm learning STM32 recently. In an article about serial communication on BZ, there is a piece of code: RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOD |RCC_APB2Periph_AFIO,EN...[Details]
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Mplab x ide v_4.05 usage 1Setup standard project a.open the maplab x ide file - in the menu bar. b.wizard steps a.choose project “standard project” b.device type “PIC24HJGP306” c.select tool ...[Details]
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LM324 comparator circuit diagram
If you think the calculation is too troublesome, you can first determine the value of R2, use an adjustable resistor for R1, adjust the value of R1, and use a mu...[Details]
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0 Preface
Traditional relay detection and protection functions are mostly completed by electromagnetic devices, which have long action time and low protection accuracy, and can no longer meet the...[Details]
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First of all, we must understand that when porting ucos-II to ARM920T, the following task stack structure is used: Program Listing: Analysis of OSCtxSw Implementation Based on ARM920T Note: ARM n...[Details]
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Three years ago, Apple launched a creative app for video production, called "Kelipai" in Chinese. Compared with iMovie, Kelipai, which also focuses on video production and editing, not only has a low...[Details]
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1. Before measuring, tighten the test rod wires into the two terminals respectively and adjust the meter pointer to the zero scale line.
2. Place the test rod connected to the terminal at two poi...[Details]
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The P0 port circuit of the 51 single-chip microcomputer is as follows: From the analysis of the pull-up resistor in 1, we can see that we need to add a pull-up resistor to the P0 port of the 51 mic...[Details]
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In developed regions such as Europe, America and Japan, "Intelligent Transportation System" has been used to manage existing traffic roads, and a large amount of manpower and material resources are...[Details]
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According to the latest report from foreign media, the entry-level version of the iPhone 12 is limited by cost requirements, and Apple has reduced its design to a certain extent. For example, the thi...[Details]
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Industrial Summit 2024 was successfully concluded in Shenzhen, China on October 29, 2024. The conference exhibited more than 150 application solutions, held 28 sessions on mot...[Details]