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...
From voice communication to data communication, cellular phones are undoubtedly in a major revolutionary period of technological architecture change. In the digital age, wireless communication, like w...
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...
0 Introduction
There are many types and styles of digital voltmeters in design and development. Traditional digital voltmeters have their own characteristics. They are suitable for manual ...[Details]
A starter motor is an electric motor installed on the engine to start a diesel or gasoline engine. The emergence of the starter motor has greatly reduced the trouble of starting the engine manually...[Details]
Application circuit of uln2003
ULN2003 is a high voltage, high current Darlington array, consisting of seven silicon NPN Darlington tubes.
The features of this circuit are...[Details]
With
the rapid development of
the power
industry, higher requirements have been placed on
the safety monitoring of
the power
system. In particular, with the expansion of the coverage ...[Details]
The 2019 China (Chengdu) Electronic Information Expo will be held at the Chengdu Century City New International Convention and Exhibition Center from July 11 to 13, 2019. With the theme of "Cores to ...[Details]
In electronic measurement, in order to measure the performance of some electronic equipment, it is often necessary to input a certain signal that meets the measurement requirements into the device und...[Details]
The billionaire lithium king is going to acquire a potash fertilizer company? On May 9, Ganfeng Lithium announced that its wholly-owned subsidiary Qinghai Liangcheng Mining Co., Ltd. intends to acquir...[Details]
The obvious characteristics of the development of modern advanced aviation weapons and equipment are good performance, strong functions, small batches, multiple varieties, high technical content, and ...[Details]
How to use the voltage measurement method to judge whether the remote control is good or bad
The method of using the DC voltage range of the multimeter to judge whether the remote contro...[Details]
According to foreign media reports, Dr. Michael Bolle, development director and chief technology officer of Bosch Group, said: "As an Internet of Things (IoT) company, Bosch started researching 5G a ...[Details]
Generally speaking, there is a difference in the level of embedded systems between 8-bit MCU and ARM. ARM is suitable for advanced products with greater system complexity, such as PDA, mobile phones,...[Details]
Recently, everyone has complained about the iPhone 11 Pro's rear triple camera, but now it seems that Apple intends to continue on this path. According to reports, Apple will launch an iPad Pro with ...[Details]
Today, OnePlus founder Liu Zuohu announced that the HyperBoost full-link game frame stabilization technology developed by the OnePlus team will soon be available to everyone. This technology can be c...[Details]
Abstract: This section introduces how to use a timer to accurately control the pulse time and thus control the speed of the stepper motor.
1. Calculation process
The angular velocit...[Details]
1. ARM Implementation Method ARM Cortex-M3 is the latest ARM embedded core based on ARM7v architecture. It adopts Harvard structure and uses separate instruction and data buses (under von Neumann str...[Details]
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