First, let's talk about what ultrasound is. As we all know, the frequency of sound that human ears can hear is 20Hz-20KHz. Sound waves below 20Hz are infrasound waves, which are inaudible to human ear...
Single chip microcomputer circuit design - I would like to ask if anyone can help me design a tension judgment circuit implemented by single chip microcomputer AT89S52. If the tension measured by the ...
I was lucky enough to be selected to participate in the Renesas Electronics 100 sets of MCU development boards event, and I received them very quickly. I will share it with you immediately. 1. The ent...
After a period of study, understanding and analysis, I transplanted the FX2N PLC from others and verified that the communication part is complete. Welcome to evaluate. The communication part is OK, an...
[i=s]This post was last edited by 497759272 on 2016-3-25 19:02[/i] I am currently working on an electronic metronome project. I use the MSP430 timer to control the PWM wave to generate an interrupt ef...
This article discusses how to wake up a touch-sensitive device such as a tablet without touching the device, using basic gesture recognition and novel proximity sensors. The article discusses the p...[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]
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]
The most important components of new energy electric vehicles are power batteries, electric motors and energy conversion control systems. The power battery must achieve high performance such as fas...[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]
0 Introduction
In the design and construction of communication systems,
communication power supply
is called the heart of the communication system. The power supply system will dire...[Details]
1 Introduction
Lijia'an Yellow River Diversion Culvert is a large gravity diversion gate in the lower reaches of the Yellow River. The Yellow River Diversion Culvert is located in Lijia'an Vi...[Details]
I. Introduction
The use of electronics in cars dates back to the early 20th century when electric starters replaced hand cranks. Automotive electronics became popular in the 1960s with the...[Details]
As we all know, the manufacturing of modern automobiles is divided into four major processes: stamping, welding, painting and assembly, and the powertrain constitutes five inseparable production pr...[Details]
The circuit has overcharge protection, over-discharge protection, over-current protection and short-circuit protection functions. Its working principle is analyzed as follows:
1 Normal state
...[Details]
High specific energy lithium/thionyl chloride (Li/SOCl2) batteries are widely used in multi-functional intelligent meters (such as smart meters, water meters, etc.) as real-time clocks and memory b...[Details]
PID is proportional differential adjustment. You can refer to the detailed introduction in the automatic control course for details! The positive action and the negative action in temperature contr...[Details]
1. Introduction
Due to the good programmability and superior performance of FPGA, the number of embedded systems using FPGA chips in LCD splicing screens is increasing rapidly, especially in t...[Details]
In recent years, network technology has developed rapidly, especially the rapid development of peer-to-peer networks, which has become one of the focuses of the industry. Related applications based on...[Details]
Mobile and portable
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