1. Guarantee of cleanliness Human beings are one of the important factors that generate dust. In the screen printing process of LCD, there is a very high requirement for environmental purification. Th...
I use MOS tube relays to power the brushless DC motor, and add MOS relays to the positive and negative poles of the DC bus. During operation, I found that when the brushless DC motor suddenly reverses...
[i=s]This post was last edited by sun63312 on 2021-8-16 13:30[/i]HarmonyOS " pseudo touch " LED control implementation
1. Introduction:
It has been a long time since I started working on this project,...
I have been engaged in motor development for 2 years. I have written some posts to share with you. My level is actually very poor. Those who have never played with motors can take a look, but those wh...
Recently, I learned through online information that Huawei has been poaching talents crazily and has been complained by many institutions.Today, the famous Internet information blogger, founder and CE...
There have been reports that Apple is working on a notch-free iPhone, but what does it look like? According to the latest news, the flexible folding screen iPhone that Apple is currently testing ha...[Details]
Kwon Hyuk-man, executive vice president of Samsung System LSI, said at the earnings conference: "We are promoting the return of Exynos to the Galaxy series flagship phones." Samsung Electronics anno...[Details]
Today, thanks to its long-term practice and outstanding contributions in the field of corporate social responsibility, Saudi Basic Industries Corporation (SABIC), a world-renowned diversified chemica...[Details]
In this article, we will introduce how to implement a bipolar LED driver circuit using 8051 microcontroller. Bipolar LEDs differ from regular bicolor LEDs in that bipolar LEDs only have two leads, wh...[Details]
On July 3, vivo’s official Weibo account posted: The mountains are flat and vast, and the painting stretches for thousands of miles. #vivo X50 Pro+#, ultra-high-definition night shot, reproduces t...[Details]
Engine knock and control
In modern engine management systems (EMS), knock control is one of the core algorithms. Since frequent knocks can damage the engine, the ECU must take measu...[Details]
If the MCU has no IO, what is the use of it? STM8 is an 8-bit MCU series. One IO Port generally includes 8 pins. Each pin can be independently programmed as a digital input or digital output port (...[Details]
As an important choice for future travel, new energy vehicles rely on advanced technology to achieve efficient energy conversion and environmental protection performance. Nowadays, more and more co...[Details]
1) The role of h files
1. Convenient development: Contains common constants, structures, type definitions, functions, and variable declarations required by some files;
2. Provide interfaces: For a...[Details]
Discrete IGBTs are the power switch of choice for modern inverter-based induction cooking products. As energy costs continue to rise and consumer demand for smaller cooking solutions increases, IGB...[Details]
The higher the operating frequency of the crystal oscillator circuit, the thinner the chip, and the worse its mechanical strength. Therefore, when the operating frequency is higher than 20MHZ, an ...[Details]
From the datasheet, we know that this is a single-channel driver chip with current detection function. It is a high-end driver, that is, the upper bridge arm MOS tube driver, which requires an exte...[Details]
Ziguang Guwei disclosed its financial report for the first half of 2019. The company achieved a total operating revenue of 1.56 billion yuan in the first half of the year, a year-on-year increase of ...[Details]
When using test equipment, engineers like to use seemingly appropriate ranges for testing, such as "using a 300V range to measure a 260V voltage." However, inaccurate measurements sometimes occur, an...[Details]
The electric vehicle solutions and technology landscape are changing rapidly. The integration of IoT technologies is redefining the future of charging facilities. On the other hand, the demand for ...[Details]
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