[size=5][color=#ff0000]Q: I opened GPIO3_28 in the device tree, why is it still shown as occupied? How to change it? [/color][/size] [size=5]A: mount -t debugfs none /mnt[/size]...
I received the ESP32-Audio-Kit audio development board two days ago. Normally, I would be very happy, but this time I was not happy. Because I looked at the development environment and it was very dif...
Easily characterize jitter on GHz clocks and serial buses with the latest Tektronix MSO6 Series oscilloscopes. Comprehensive advanced measurements make it easy to incorporate statistics into your ever...
System-level power conservation and power budget optimization are key to many applications. For example, data center operators strive to control energy consumption, portable device designers seek to r...
Because the feel of the Xiaomi Bluetooth mouse is too bad, especially the scroll wheel button, which makes my fingers easily tired, I recently replaced it with the Rapoo Multi-mode Bluetooth Mouse M60...
1 ALSA audio tools under Linux
ALSA (Advanced Linux Sound Architecture) is the mainstream audio structure on Linux
https://www.alsa-project.org/wiki/Main_PageCommonly used ALSA tools include:arecord: ...
According to a report by Yole Développement, the global MEMS market capacity in 2020 is US$12.1 billion, an increase of about 2% from 2019. However, after relatively weak 2019 and 2020, Yole predicts...[Details]
Flow meter is an industrial automation instrument mainly used to measure the flow of liquid, gas and steam in pipelines. It has been widely used in many fields in my country due to its unique advan...[Details]
If you walk into a retail store and take a quick look at home appliances, you'll see that simple appliances like ovens and microwaves now have very complex user interfaces. Appliance manufactu...[Details]
As of the close of May 28, the Shanghai Composite Index rose 0.33% to 2846.22 points, with a turnover of 239.234 billion yuan (the turnover on the previous trading day was 227.934 billion yuan); the ...[Details]
On October 13, Shengbang Shares issued an announcement on the termination of the issuance of shares and the payment of cash to purchase assets and raise supporting funds, and the withdrawal of applic...[Details]
1. Introduction
MEMS (Micro Electromechanical System) memory is a new type of storage device with the characteristics of high density, low power consumption, non-volatility, and multi-probe paralle...[Details]
In recent years, with the explosive growth of enterprise business data (email data, applications, business data, special confidential data, etc.), storage capacity and data management difficulty have...[Details]
Triumph Ventures is a dual-currency equity investment fund based in China that aims to discover and support leading global technology companies and world-class entrepreneurs. As a professional invest...[Details]
The operating system was a very strange thing to me before, and I didn't know how to understand and define it. Finally, when I finished some more tedious projects, I found that the multi-tasking opera...[Details]
On December 11, the Guangzhou CPPCC visited key private enterprises, including Guangzhou Yuexin Semiconductor Technology Co., Ltd. At Guangdong Xin Semiconductor Technology Co., Ltd., the research ...[Details]
Recently, at the third quarter performance briefing, Hikvision Senior Vice President/Board Secretary Huang Fanghong publicly stated the latest status of the supply chain: "At present, the domestic ch...[Details]
1. Research background and significance
With the rapid development of the national economy, the number of motor vehicles, especially private cars, has increased dramatically, which has made traffic c...[Details]
Hanbo Semiconductor (Shanghai) Co., Ltd. (hereinafter referred to as "Hanbo Semiconductor" or "Hanbo") announced today that it has completed a total of US$50 million in Series A financing. This round...[Details]
introduction Embedded systems are professional computer systems with practical applications as the core and strict requirements on functions, reliability, cost, size and power consumption. With the...[Details]
Analog electronics
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