[size=4][b][color=#0000ff] EEWorld Forum Members Gathering in Xi'an[/color][/b] [b]Time[/b]: 7:00-9:00 pm, August 27 (next Monday) [b][color=#ff0000]Location[/color][/b]: Shangju Hotpot Kitchen (Priva...
As the title says, SD card reading and writing problems, some files can be written in, some files cannot be written in... Experts can give me some advice, the file system uses EFSL ARM7---EasyArm2200...
I recently used this DCDC circuit. When VIN is powered on, the impact current at the input end will range from a few A to tens of A, and the size varies with the resistance value of R1R2. I soldered t...
I need help with my graduation project "Calculator Programming Based on Single Chip Microcomputer" I need to use MCS51 single chip microcomputer and protues simulation urgently~~~...
This simple program can realize the function of 3-8 decoder, but I don't understand the order of the two non-blocking assignments in the begin block. According to the simulation results, the first Q a...
I am using CC1020 to make a data transmission module. When receiving data, I need to read the RSSI value. The data reception is done in the external interrupt. The problem is: the RSSI value I read wh...
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]
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
Metal halide lamp (MHL) as a green lighting source has been widely used in the field of indoor and outdoor lighting. However, when using this green lighting source, the matc...[Details]
introduction
In engineering practice, ultrasonic waves are often used to measure distances because of their strong directivity, slow energy consumption, and long propagation distance in th...[Details]
1. What is fading?
In terms of scope, fading can be roughly divided into three types: large area fading, small area fading and indoor fading. As shown in Figure 1, large area fading refers t...[Details]
Touch sensors have been in widespread use for many years, but recent advances in mixed-signal programmable devices have made capacitive touch sensors a practical, value-added alternative to mechani...[Details]
The growing global interest in green power has added new variables to the design of power supplies and power adapters. Designers must not only traditionally consider the design specifications requi...[Details]
With the development of science and technology, the improvement of living standards and the acceleration of the pace of modern cities, people are increasingly pursuing more convenient, practical an...[Details]
The relationship between time and frequency
There is no conceptual difficulty in understanding what happens when a steady-state DC signal is applied to a voltmeter. However, if the signal ...[Details]
Abstract: An anti-collision system for automobiles is designed and developed. Based on the ultrasonic principle, the anti-collision system transmits and receives ultrasonic signals, measures the t...[Details]
Part 1 Current status of electricity metering in various places
Current status of electricity metering
a) Power companies still mainly use mechanical energy meters and low-cost e...[Details]
0 Introduction
With the improvement of the automation level of industrial production in my country, more and more equipment needs to be monitored, operated and maintained in the field....[Details]
Four-channel programmable digital down converter HSP50216 and its application in software radio
1 Introduction
Software radio originated from the graveyard of Speakeasy tactical commu...[Details]
Photovoltaic power generation can provide sustainable energy for human beings and protect the environment on which they depend for survival, but its low power generation efficiency and relat...[Details]
introduction
In an increasingly information-based society, computers and networks have fully penetrated into daily life. For individuals, what is needed is not just documents placed on the...[Details]