The electrical equipment is basically an inductive load. When the motors are running, the grid voltage drops to about 350V. When the load is slightly increased, the voltage even drops to 300V, and the...
Qinheng CH549L is an 8051 chip, which is not so conspicuous in the blue ocean of ARM. I tested this chip through the eeworld event and it still made a lot of money.
1. First of all, 8051 is not outdat...
I believe that the question of the development direction of technical personnel is a question that everyone is concerned about. Now let me talk about my thoughts. Technical personnel can choose the fo...
[font=黑体][size=5][color=Purple]Design requirements[/color]: According to system requirements, Actel's ProASIC3 series FPGA is used as a data acquisition board. The board power supply is DC+12v±10%. Th...
[b]Freescale MC12311 SiP Wireless Connectivity Solution[size=4] Freescale's MC12311 is a highly integrated and cost-effective system-in-package (SiP) 1GHz wireless node solution that integrates a tran...
Event details: [url=https://bbs.eeworld.com.cn/thread-470542-1-1.html]>>EEworld&TI invites you to play ble+zigbee+6lowpan! Chips and PCBs are given away! [/url] Thank you for your enthusiastic partici...
Emergency hand-held lamps powered by 6V maintenance-free batteries are widely used in rural areas. The charger used is a transformer step-down and single diode half-wave rectifier, and the charging...[Details]
The rapid development of the Internet has realized high-speed information transmission and resource sharing, greatly facilitating people's lives. Embedded systems are widely used in various electr...[Details]
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]
Due to the significant increase in electronic devices in automotive and industrial applications, the automotive and industrial markets continue to play an important role in China's electronics in...[Details]
System design is a complex process. It is not enough to just use ICs. There are many details to consider. This article uses a high-fidelity music playback system as an example to introduce how to s...[Details]
introduction
Solar cells and LED lighting are typical applications of new energy and energy-saving and efficient technologies. Solar LED lighting uses solar cells to convert solar energy...[Details]
A standard cell
is an electrochemical
cell
used as a voltage reference standard in many electrical standards laboratories
. If properly maintained, standard cells are very stable. The ...[Details]
1. Introduction to CIF Board
Fieldbus integration based on PC system
Whether it is a master or a slave, fieldbus has won unanimous praise in the field of PC-based automation. For more...[Details]
12v Lead Acid batteries used in trucks, cars, RVs and uninterruptible power supplies are usually rated at 12V. This circuit monitors the battery, the charge and discharge curves, gives the cu...[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]
With concerns about the growing energy crisis, motor efficiency has become an important and timely topic. This is because motors use 63% to 70% of the electricity produced in the United States and ...[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]
1. Overview
At present, an information revolution is in the ascendant around the world, led by microelectronics, computers and communication technologies, and centered on information technolog...[Details]
1 Introduction
With the improvement of people's quality of life, lamps are no longer just basic indoor lighting tools, but also a kind of practical art for architectural decoration. When ther...[Details]
introduction
At present, measuring instruments are developing towards networking, and each individual embedded instrument will become a node on the Internet. This system realizes the network...[Details]