So many things happened in the world in 2020. What happened to me may seem insignificant, but from everyone's perspective, everyone knows their own experience.
My personal fund was not approved in 202...
Semiconductor Industry Online Member System Questionnaire Survey Come and participate in the draw to win a 50-yuan Jingdong card! It can be done in 3 minutes~Event time: From now until September 30Cli...
[i=s]This post was last edited by shuiyuehen1987 on 2015-11-30 09:24[/i] [font=宋体]For example, if there is a magnetic mine in an area, if a mechanical compass is used, the compass will be inaccurate d...
Dear experts, I am currently working on a report that requires the use of FPGA to connect to a headset to capture sound signals and then process and store them. It is really difficult at the beginning...
In order to capture messages such as program startup, shutdown, and activation, I used the following code. However, there is a problem with this, that is, when a folder is opened, the contents of the ...
As shown in the figure, two lithium batteries are charged, and the designed charging current is 1A. After testing: input 11.1V current 0.71A charging output: 7.8V/0.82A charging efficiency is about 81...
As a wireless broadband metropolitan area network standard, WiMAX technology has greater advantages than previous 3.5GHz MMDS products in terms of non-line-of-sight transmission and spectrum utiliz...[Details]
Capacitance Measurement
Used to verify that capacitors meet the manufacturer's specifications. For quality control, a group of capacitors may be placed in an environmental chamber and the cap...[Details]
Introduction
Automakers are working to reduce vehicle weight to reduce CO2 emissions and improve fuel efficiency. Designers are therefore seeking new technologies and design techniques that can...[Details]
Introduction
In industrial control, speed measurement is often required. Generally, a contact tachometer is used. This tachometer must be placed against the center of the shaft to measure. It...[Details]
1 Embedded Systems
Embedded System refers to a collection of computer hardware and software with specific functions or purposes, which is divided into embedded software system and embe...[Details]
The invention of the steam engine ushered in the first conversion of internal energy and mechanical energy for mankind, and the birth of the internal combustion engine at the end of the 19th centur...[Details]
System Block Diagram
The system uses DSP56F826 chip as the core control module and CMOS digital image sensor chip. The image acquisition resolution can reach 640×480 pixels. When high-re...[Details]
Background
The proliferation of ultra-low-power wireless sensor nodes for measurement and control purposes, combined with new energy harvesting techniques, has made it possible to create ful...[Details]
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1. Self-test of lithium battery capacity
The nominal capacity of the CECT9898 OEM mobile phone lithium battery is 3800mAh, and its battery volume is comparable to the 1500mAh battery of ot...[Details]
Some industrial applications require a
three-
phase supply to be fed into a low-power dc/dc converter that may have to handle 200V or 400V effective line-to-line voltages. In addition, the...[Details]
Tags: PMP Digital Signal Processing
Many observers and analysts agree that there will be only two hot technology topics in the field of electronic engineering and applications this year: o...[Details]
Due to the ultra-large scale of the distribution network and the low cost, wide coverage and convenient deployment of power line communication. Power line communication provides an excellent device in...[Details]
The sensor part of the traditional gas pressure measuring instrument is separated from the data acquisition system, and the anti-interference ability is poor. In addition, the pressure of the measu...[Details]
Fieldbus is a fully digital distributed underlying control network. Since its emergence, it has attracted widespread attention from researchers in the control field. However, for a long time, due t...[Details]
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