I have recently been testing VM2020, a piezoelectric MEMS microphone with ultra-high AOP.
It is a little different from other capacitive MEMS microphones. The distorted waveform is a little strange wh...
[i=s]This post was last edited by caomuhui on 2021-5-16 16:38[/i]1. UnboxingBoard*1, Type-C data cable*1, anti-static packaging, board thickness 1.6mm, tin spraying, board rounded corners, the jumper ...
Recently, I was debugging GD32F350's USB Device and found that the official library could not be debugged and there were several bugs. I would like to share this with you (for those who use IAR 8.x or...
The U.S. government has recently expressed concern that its weapons systems that rely on foreign- made ICs could be tampered with before delivery. As a result, the Defense Advanced Research Projects A...
[i=s]This post was last edited by lhc960818 on 2019-6-21 17:23[/i]Due to excessive deforestation in recent years, flash floods and mudslides are prone to form in some middle and high mountain areas du...
Many electric vehicle brake circuits are as follows, high brake and low brake. The principle is very simple, the external high and low level signals are given, but how to give high and low level signa...
The ATmega128 ALU is directly connected to 32 general-purpose working registers. ALU operations between registers and between registers and immediate values only require one clock cycle. ALU operat...[Details]
Recently, according to foreign media reports, at the 2021 IAA Mobility exhibition, WayRay launched a new Deep Reality Display system, which can replace the traditional car dashboard with a new immers...[Details]
introduction
With the development of network and communication technology, embedded systems have entered a stage of rapid development. And have been widely used in various fields of society. This p...[Details]
● Electric vehicle startup standardizes on Siemens Teamcenter X and NX software to reduce IT investment while increasing accessibility for development teams and supply chain
Siemens Digi...[Details]
At 11 o'clock on August 5, Lv Yuelong, deputy secretary of the Jiangshan Municipal Party Committee and mayor, and his party visited the company, accompanied by Xu Changshou, chairman of the company...[Details]
Roland Berger's Automotive Industry Disruption Data Probe is published twice a year, tracking 26 automotive industry disruption indicators. Now, with the report covering 23 countries, the tenth issue...[Details]
Samsung has often faced a barrage of criticism for not using Qualcomm's flagship chips in its flagship smartphones, arguing that contemporary Snapdragon chipsets are superior to Exynos chips. While t...[Details]
Volkswagen Group CEO Herbert Diess predicts that self-driving cars will be available on the market "between 2025 and 2030." But we feel that the prediction is already catching up with the speed of se...[Details]
According to the website of the Physicists' Organization, Heriot-Watt University in the UK and a stem cell technology company have collaborated to develop a vacuum valve-based three-dimensional (3D) ...[Details]
When learning about various hardware, the serial port is an essential and first peripheral to learn, because with the serial port, you can interact with the hardware in a simple way, and it is al...[Details]
On December 16, the Semiconductor and New Materials Science and Technology Division of the Shanxi Provincial Department of Science and Technology issued the "Notice on Soliciting Proposals for Scienc...[Details]
Abstract: This paper proposes and implements a method for using wireless transmission in automobile driving records. A wireless module is added to the automobile driving recorder, and a wireless tr...[Details]
1 Introduction
The measurement and control system is developing towards automation and intelligence. This not only places higher and higher requirements on the accuracy, reliability and stability of...[Details]
1 System functions and features
This system uses a single-chip microcomputer to manage and control the entire measurement circuit, making the entire system intelligent, small in size, low ...[Details]
Main circuit of active filter
Figure 1 Main circuit of active filter
Active power filters are generally designed as voltage source PWM inverters. By controlling the fully controlled switchi...[Details]
Integrated technical exchanges
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