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On March 11, Mao Weiming, Chairman and Secretary of the Party Committee of State Grid Corporation of China, conducted a video survey on the resumption of work and production of NARI Group, XJ Group...[Details]
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The design of electrical control systems includes two basic contents: one is principle design, which is to meet the various control requirements of production machinery and processing technology; t...[Details]
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The driving circuit is a Buck-Boost-Buck circuit controlled by HV9931, which is directly powered by AC power to achieve constant current drive and has PFC function; the dimming method adopts PWM d...[Details]
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Nexperia , the expert in discretes, MOSFETs, GaN FETs and analog & logic, has announced a collaboration with Ricardo, a renowned automotive engineering consultancy, to create a technology demonstrato...[Details]
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1. This example is suitable for CPU: STC89C52 11.0592 crystal oscillator 2. Compilation environment: Keil_c51_v802 2. The baud rate of the serial port output = 9600bps without verification and withou...[Details]
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At present, most of the home alarm systems on the market realize the alarm function through telephone lines. When the telephone lines are maliciously cut, the system will lose the alarm function. I...[Details]
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STC microcontroller supports serial port ISP program download, no need to use a dedicated downloader, only use the serial port to download the program. But each time you download the program, you have...[Details]
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Today, the Intel Cloud Terminal Solution Media Communication Conference with the theme of "Redistribution of Computing Power under Digital Transformation" was held in Beijing. Intel, together with ID...[Details]
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Earlier today, OPPO shared a new news on its official Weibo account. The company has revealed that it will be working with Hasselblad to equip its next flagship Find X series smartphones with camer...[Details]
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Atomic fluorescence spectrometry (AFS) is a new type of spectral analysis technology proposed and developed in the mid-1960s. It is a spectral analysis technology between atomic emission spectrometr...[Details]
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GPIO Input In "STM8S Self-study Notes-003 GPIO Output: Lighting up LEDs and Marquee Effects", we have set the GPIO of the LED to push-pull output mode, which is only one of the GPIO output functions....[Details]
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Recently, Henan Province was hit by heavy rains, and Zhengzhou was hit by the worst rainstorm in a thousand years, which seriously affected normal life. For Apple, Foxconn's factory in Zhengzhou is a...[Details]
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LED lighting drive technology has developed to the point where multiple solutions are being developed in parallel in the industry. This article mainly discusses dimmable LED lighting drive technolog...[Details]
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1 Experimental Phenomenon
The running direction and speed of the 28BYJ48 stepper motor are controlled by the ULN2003 driver module. When the KEY1 key is pressed, the motor rotation direc...[Details]
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This week, I revisited all the articles I've written about Alexa, and the whole process felt good, a bit like reading an old diary. But I suddenly remembered that everything I told Alexa privately wa...[Details]
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