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Yesterday a classmate asked me how to implement a function of a microcontroller:
1:
If you press KEY1, the 30S countdown will start.
If you press KEY2, the function will be executed and the 30S cou...[Details]
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The ARM compiler predefines some macros. These predefine macros correspond to certain values. Some predefine macros have no corresponding values. See the following table:
_arm _ When using the compil...[Details]
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This article introduces the development process of using Cypress's PSoC (Programmable System on Chip) CY8C 21534 series chips in the automotive center console panel. The working principle of the pa...[Details]
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summary IIC (inter-Integrated circuit) is a two-wire serial bus used for communication between MCU and peripherals. IIC only requires two wires: data line SDA and clock line SCL. Data transmission b...[Details]
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A piece of equipment in the workshop broke down. The leader asked the electrician to deal with it. After the electrician arrived at the site to check, he found that the inverter controlling the mot...[Details]
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The circuit has overcharge protection, over-discharge protection, over-current protection and short-circuit protection functions. Its working principle is analyzed as follows:
1. Normal stat...[Details]
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For PLC users, when writing user programs or selecting equipment, they must be clear about the three stages described below, that is, the principles of the user program execution process.
...[Details]
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This article will introduce two different methods for measuring the conversion efficiency of switching power supplies. The first method uses a wattmeter and two multimeters; the second method desc...[Details]
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In the past month or two, Samsung, SK Hynix and Micron have all raised their official selling prices to reduce production capacity, hoping that memory prices will increase. But overall, the increase ...[Details]
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Since the 13th Five-Year Plan, my country has successively issued relevant policies such as the "Notice on Submitting the Pilot Plan for the Development of Distributed Photovolt...[Details]
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“2024 will be the year of ‘4680’!”
At the end of January 2023, at Tesla's 2022 annual earnings conference call, the triumphant Elon Musk, as usual, set a new generation of fl...[Details]
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By comparing CCD imaging and FPD imaging methods with various parameters in the table below, it can be seen that CCD imaging has a higher effective utilization rate of X-rays than FPD imaging, and ...[Details]
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At present, most of the ECG machines commonly used in hospitals in my country are electromechanical, that is, they detect ECG signals through electrodes and record them directly after amplification. ...[Details]
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With the advent of the digital and networking era, especially the development of broadband wireless networks, it provides an opportunity for the application of large data transmission services such as...[Details]
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In the development of single-chip microcomputer applications, engineers are still troubled by code efficiency, anti-interference and reliability of single-chip microcomputers. In order to help engine...[Details]
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