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According to Japanese media reports, at around 2:00 p.m. on March 1, an explosion and fire occurred at the Tokai factory of Asahi Kasei Group's "Kayak Japan" in Mizujiri-cho, Nobeoka City, Miyazaki P...[Details]

    Photocouplers are widely used. Based on the characteristics of photocouplers, the author designs a convenient circuit for testing photocouplers. The circuit is simple, accurate and easy to use. C...[Details]

Usually, the following situations require a higher specific gravity: ① When the substrate is severely oxidized (this phenomenon cannot be objectively identified by the naked eye and must be tested in...[Details]

Although Toyota's president and Toyota scientists have made speeches many times expressing their hope to slow down the advancement of electric vehicles and calling for giving fuel vehicles more life....[Details]

2.1 Fluorescent screen The fluorescent screen is the display part of the oscilloscope. There are multiple scale lines in the horizontal and vertical directions on the screen, indicating the relations...[Details]

The reducer is an independent component consisting of a gear drive, worm drive, or gear-worm drive enclosed in a rigid housing. It is often used as a reduction transmission device between the prime m...[Details]

As shown in the figure, this is a stable square wave and triangle wave generating circuit. The characteristics of this circuit are: the frequencies of the square wave and the triangle wave are almost...[Details]

GM's electric vehicle platform that can support autonomous driving and pure electric Picard. A few days ago, GM held a GM Investor Day meeting in New York. The entire introduction material covered el...[Details]

1. The difference between calling library function programming and directly configuring register programming: 2. CMSIS standard: 3. Organization of STM32 library functions: 4. Program ex...[Details]

I have been working on the STM8L series boards recently, and I feel that some aspects are different from the S series. I have briefly summarized the configuration methods of the relevant peripherals....[Details]

Today, well-known whistleblower @Onleaks exposed the renderings of Nokia 7.3. As shown in the picture, Nokia 7.3 uses a hole-punch screen solution, the screen size is 6.5 inches, the resolution is FH...[Details]

The button is a very important input device on the microcontroller and is also easy to master. As long as you understand the most basic use of the IO port, you can operate the button. Our goal is t...[Details]

Handling function keys 　　The problem with function keys is that the user interface is not fixed, and the selection of function keys by the user will cause the screen to be in different display sta...[Details]

Will the tight supply of OLED panels improve in 2018? South Korean panel manufacturer LG Display (LGD) has decided to invest 10 trillion won (8.9 billion US dollars) to build the world's largest OLED...[Details]

With the continuous cross-integration of industrialization and informatization, more and more information technology is applied to the industrial field. At present, more than 80% of the key infrastru...[Details]