The third generation of anti-noise products in China currently use dynamic noise reduction (DNR) technology. DNR technology dynamically adjusts the output voice switch through the changing voice peak ...
I bought an ESP32-C3 development board for 9.9 yuan a few days ago, with free shipping, and planned to try running micropython on it. It is very small and well made....
Frame memory is the data channel between the graphics processor and the display device. All the graphic data to be displayed is first stored in the frame memory and then sent out for display. Therefor...
/*Clear screen function--clear the entire screen to the same color*/void lcd_clear(unsigned int color){unsigned int num;unsigned int i = 0;unsigned int *startaddr = (unsigned int*)tftlcd_dev.framebuff...
1 Introduction
With the widespread application of MOS devices, the current feedback operational amplifier (CFOA) based on the CMOS circuit structure is widely used in high-frequency and hi...[Details]
According to foreign media reports, Apple released an update to iOS 14 today. The reason why many people did not notice it is because it is exclusive to the iPhone 12 series. The report menti...[Details]
As the SOA concept of the industry has become popular, it has been prevalent in the world with a series of interpretations and thinking opinions. The author has carefully studied most of them. Alth...[Details]
Central air conditioning is undoubtedly a major power consumer in buildings. According to statistics, in buildings with central air conditioning, central air conditioning energy consumption accounts f...[Details]
While most of Apple's product line is currently up to date, there are still a few devices and accessories that have not been updated in recent years. This article summarizes 5 products that Ap...[Details]
As the proportion of medical equipment in people's daily health care applications increases, while the cost of products is constantly decreasing, the most important thing to pay attention to is safet...[Details]
On December 13, China Energy Storage (Beijing) Technology Co., Ltd., China Power Construction New Energy Group Co., Ltd. East China Branch, and China Power Construction Group East China Survey and ...[Details]
The variable-frequency drive (VFD) is a power control device that uses frequency conversion technology and microelectronics technology to control AC motors by changing the frequency of the motor's ...[Details]
Green development is the background of high-quality development, and new quality productivity itself is green productivity. This year's government work report will strengthen ecological civilization c...[Details]
Nowadays, FET can be found in almost every power supply. Almost every power supply engineer has used it, either for inversion, rectification or just as a switch.
Due to different uses, each manufac...[Details]
According to foreign media reports, on January 7, 2021, NODA released a demonstration video of its Hammerhead™ 3D vision platform for the first time, taking an important step towards truly safe mains...[Details]
During the measurement process, a high waveform capture rate is very important for an oscilloscope, as it can improve the oscilloscope's ability to capture random events and low-probability events. ...[Details]
70% of the Earth's surface is covered by oceans, but it is currently facing serious marine pollution problems. Currently, about 8 million tons of plastic waste enters the ocean every year. It is es...[Details]
MAX660 oscillation frequency change method
As shown in the figure, if the OSC pin is connected to an external capacitor C3, the oscillation frequency can be reduced. If the internal oscillato...[Details]
Recently, at a special series of activities focusing on the future of Shanghai's smart manufacturing and win-win industries, guided by the Shanghai Municipal Economic and Information Commission, Yang ...[Details]
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