Suddenly, I wanted to try the effect of using a sound card to collect data. So I used two resistors and used the knowledge from middle school to design a simple circuit to input 5V DC voltage and outp...
[hide]LED's low power and low power consumption characteristics allow the bulb life to be up to tens of thousands of hours, which is 10 times longer than the 2,000 hours of ordinary projectors. It not...
[i=s]This post was last edited by paulhyde on 2014-9-15 09:19[/i] [font=宋体] [/font][size=12pt][font=宋体][color=#000000]At present, the application of single-chip microcomputer can be said to be quite e...
3.4 For details on the installation and use of Energia, please refer to the [url=http://energia.nu/guide/]Guide[/url]. Here is the download link. The latest version 18 can be used directly by unzippin...
[size=4] PCB designers may design a printed circuit board with an odd number of layers. [/size] [size=4] [/size] [size=4] If the routing doesn't require an extra layer, why use it? Wouldn't reducing t...
In order to prevent traffic accidents, when the intelligent detection device of the car detects danger ahead, it must send a warning message to the driver. The voice alarm clearly reminds the drive...[Details]
This article discusses how to use an ultra-low-power RF transceiver chip from Zarlink Semiconductor for pacemakers, neurostimulators, drug pumps, and other such implantable medical devices to achiev...[Details]
Medicines are special commodities. If patients are given the wrong medicine, fake medicine, inferior medicine or expired medicine, it will pose a threat to people's health and lives.
In recent...[Details]
A biped robot joint constructed by pneumatic artificial muscles is introduced. The joint uses the flexible characteristics of pneumatic artificial muscles to effectively control the impact of the la...[Details]
Keeping the heart environment compact and warm is beneficial in most cases, but it’s another story for electronic heart scanners. When GE Healthcare was designing a scanner that was said to be the fas...[Details]
Many medical applications require portable, self-powered devices that do not require external power and data cables. The most obvious example is a portable data logger that patients carry with them to...[Details]
As the price of readers and tags decreases and the global market expands, the application of radio frequency identification (RFID) is increasing day by day. Tags can be powered by readers (passive ...[Details]
TD-SCDMA terminal conformance test includes three types of tests: RF index test (reference standard: 3GPPTS34.122), protocol signaling test (reference standard: 3GPPTS34.123) and other tests (refer...[Details]
This issue will briefly introduce the test related to spectrum - occupied bandwidth.
Definition: Occupied bandwidth refers to the bandwidth corresponding to 99% of the total transmitted power, cent...[Details]
0 Introduction
At present, the analysis of intra-pulse signals in pulse radar has always been a hot topic and difficulty in research. How to measure the intra-pulse carrier frequency more ...[Details]
1 Introduction
In recent years, with the rapid growth of mobile phones and MP4 video players, it is estimated that the production of mobile phones this year will reach 1 billion units, and...[Details]
When you hear the word digital TV, you may feel fresh and excited, but when it comes to what digital TV is and what it can bring us, you may still be confused. You must be very eager to understa...[Details]
introduction
Video surveillance systems are widely used in industrial, military and civil fields, playing an important role in the security and environmental monitoring of these industries...[Details]
There are many ways to attenuate signals. The most commonly used method is to divide the voltage using resistors. The common circuits are as follows:
Oscilloscope pre-stage attenuation c...[Details]
Among the many candidate standards for China's mobile TV, the CMMB standard proposed by the Broadcasting Science Research Institute of the State Administration of Radio, Film and Television is aime...[Details]
Embedded System
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