Optocouplers are small in size, long in service life, wide in operating temperature range, strong in anti-interference performance, contactless, and completely electrically isolated from input and out...
I used to be an application developer, but now I have an urgent task to communicate with a USB (HID) device. I have no idea what to do, so I just searched the Internet for a lot of information. Now I ...
I input 1K and 40M signals with a signal generator, and the Vpp is 1V, but the EL2070 output has harmonics of about 300M. Please tell me how to eliminate this harmonic! Thank you! The circuit connecti...
[i=s]This post was last edited by w562601331 on 2017-7-24 08:31[/i] [size=14px][font=微软雅黑][size=4](1) Title of the work:[/size][/font][/size] IoT Monitoring Rescue Vehicle Three months have passed unk...
When debugging, I found that I could see the source code of some functions, but I couldn't trace some of them. Is it a library? If so, if I use a microcontroller from another manufacturer, I can no lo...
Using IAR EWARM 5.20 to develop STM32F103ZC (Cortex-M3 core) In the connection configuration file (.icf), I want to get the size of the readonly and readwrite blocks respectively, and then use the rem...
Sailing is gaining more and more attention. How to use modern technology to assist training and improve competition results is particularly important. Considering the real-time data collection in t...[Details]
1. Overview
Will passive devices
produce nonlinear intermodulation distortion? The answer is yes! Although there is no systematic theoretical analysis, it has been found in engineerin...[Details]
The Portable Digital Data Acquisition System (PDDAS) uses LabVIEW Real-Time and PXI to control the wind tunnel test and record air pressure data from 128 different channels.
"The LabVIEW Real-...[Details]
In recent years, lighting has become an important area that countries around the world are targeting to promote energy conservation and environmental protection. According to statistics, about 20% ...[Details]
1. Introduction
With the gradual automation and modernization of industrial control systems, fieldbus control systems have received more and more attention and application. CAN bus is currentl...[Details]
1 Introduction
The Third Steel Plant of Jigang Group is a key investment project of Jigang Group during the "15th Five-Year Plan". It has introduced first-class domestic and foreign advanced eq...[Details]
General LED lighting has a current limiting resistor in the driving circuit, and the power consumed by the resistor has nothing to do with the LED light emission. In order to improve efficiency, a...[Details]
In recent years, with the rapid development of the information industry, dot matrix LED display screens have been widely used in various advertising and information display systems such as the fina...[Details]
Today, the value of electronic components in cars accounts for 15-20% of the total vehicle. In the future, this proportion may be as high as 30-40% as more safety electronics, fuel consumption and ...[Details]
Abstract: The output of high-range acceleration sensor is less than 10 mV under the excitation of small signal. The noise of traditional test system may cover such small voltage signal, so that hig...[Details]
Introduction
As the country increases its efforts to control the atmospheric environment, motorcycle emission regulations will become stricter year by year, and motorcycles that do not meet the...[Details]
Fruit planting is an important part of China's agricultural development, and fruit tree pest control operations are becoming more and more important. At present, the overall level of pesticide applica...[Details]
With the continuous advancement of various technologies in the field of measurement and control, the baseband subsystem of general measurement and control equipment has entered the fourth generation o...[Details]
Abstract: Based on the ZigBee parking lot SMS car search system, the location of the vehicle in the parking lot is sent to the owner through SMS, which is convenient for the owner to quickly find ...[Details]
1 What is an LED floodlight?
LED downlights are also called spotlights, projection lamps, and spotlights. They are mainly used for architectural decorative lighting and commercial space lighti...[Details]