Abstract: In order to achieve secure group communication in wireless sensor networks with limited resources, group key management must meet basic security requirements while ensuring that when a node ...
Do you think that all power supplies of industrial field systems should use isolation solutions to improve reliability? Then you may have fallen into the misunderstanding of power supply use. Perhaps ...
I would like to ask you, the signal strength collected from the acceleration sensor varies greatly, the highest amplitude is ±15V, and the lowest is only 20mv. When the signal is small, the background...
Reprinted from: deyisupport [align=left][color=#000]Protection relays are used to protect high, medium or low voltage power systems, sense abnormal conditions in circuits and command the operation of ...
with key select led<= "11111110" when "11111110",--Key 1 "11111101" when "11111101",--Key 2 "11111011" when "11111011",--Key 3 "11110111" when "1111011",--Key 4 "11111111" when "11111111", unaffected ...
Every time we download, we need 4 ChipCoins, not including the selling price. Since we download so many, there must be some ChipCoins to be recycled. Can we use them to support newcomers and solve the...
Hardware designers have begun to adopt FPGA technology in high-performance DSP designs because it can provide 10-100 times faster computing than PC-based or microcontroller-based solutions. Previou...[Details]
1. Introduction
RFID (radio frequency identification) is a non-contact automatic identification technology that emerged in the 1990s. It uses the characteristics of radio frequency signal prop...[Details]
Google's driverless technology is not only an eye-catching technology, but also a subversion of the car usage model.
Those who have watched anti-terrorism films and TV dramas must have been im...[Details]
Electronic systems are located at different points on the automotive power bus and therefore often need to operate under very stringent power requirements. These include load dump, cold crank, very lo...[Details]
1. System Structure
This system is a simulation system of indoor air-conditioning temperature/humidity control system. The data acquisition and control center collects temperature/humidity...[Details]
Overview
As a remote network communication control method with advanced technology, high reliability, complete functions and reasonable cost, CAN-bus has been widely used in various automa...[Details]
1. Introduction
Testing the temperature of steel billets before rolling is an important measure to ensure the quality of steel. Traditional manual testing is difficult to ensure product qu...[Details]
Against the backdrop of global warming, energy conservation and emission reduction have become a global hotspot and focus, which has also sounded the clarion call for the take-off of the LED lighti...[Details]
Multimedia processors are often the most power-hungry devices in portable electronic devices. Common ways to reduce CPU power requirements are to reduce clock frequency or operating voltage, but th...[Details]
1 Introduction
Washing machines are an indispensable household appliance in the home, and they are developing very fast. Fully automatic washing machines are favored by everyone because of their con...[Details]
Synchronous buck designs are becoming increasingly difficult, and the selection of suitable ICs is becoming quite narrow. This Design Idea combines a current-mode PWM IC used in a flyback regulator...[Details]
0 Introduction
The load with impact (rapid change) power in the power system will cause the voltage fluctuation and flicker of the power grid, causing many electrical equipment to fail to wo...[Details]
Various electronic and electromagnetic interference inside and outside the car often puts automotive electronic equipment in dangerous working conditions, degrading the performance of electronic eq...[Details]
With the rapid development of information technology represented by computers, semi-physical simulation technology plays an important role in many military and civilian fields such as aerospace and co...[Details]