[p=28, 2, left][font=微软雅黑, "]Many friends who are new to PLC have a problem that they don't know where to start. They always feel that they have learned for a long time and seem to understand all the ...
Make a sleep breathing monitoring device to display the sleep breathing monitoring status through the LCD screen, especially snoring, and prompt through alarms and other measures...
I recently transplanted the linux kernel on a router. The uboot has been installed on the router, the local tftp service has been established, and the compiled kernel has been placed in the tftp home ...
Dear seniors: Hello everyone! I am a junior student, majoring in automation! I want to find a job in design or R&D in the future, but I don’t know what I should focus on now! I hope you can give me so...
It had been working fine until yesterday when I changed an AD chip and raised the voltage from 5v to 15v. I powered it on without checking carefully, and then I smelled a pungent smell and immediately...
The development board cannot start up. I burned vivi, kernel and root in the early stage. When I restarted, the following message appeared. Please give me some advice: VIVI version 0.1.4 (root@linux9)...
This program is written to simulate the serial port hardware mechanism. When used, a timed interrupt can be set with a time interval of 1/4 baud rate. The receiving function is called once for ea...[Details]
In early 2002, I started to write a working program for an IC card prepaid electricity meter. The meter used Philips' 8-bit 51-expanded single-chip microcomputer
87LPC764
, and wa...[Details]
With the rapid development of science and technology, especially the widespread application of digital technology and various ultra-large-scale integrated circuits, electronic equipment, especially...[Details]
DSP (digital signal processor) is used more and more frequently in today's engineering applications. There are three main reasons for this: first, it has powerful computing power and is capable of ...[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]
introduction
MAX6636 is a multi-channel precision temperature monitor that can not only monitor local temperature, but also connect up to 6 diodes externally. Each channel has a programmable...[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]
The production process of lithium batteries does not mention the previous processes such as material preparation, winding, liquid injection, and packaging, but only talks about the final formation ...[Details]
1 Introduction
At present, people have higher and higher requirements for the quality of life. When people are busy with work, soymilk machine is a new type of household beverage machine. It uses so...[Details]
When developing electronic products with processors, how to improve anti-interference ability and electromagnetic compatibility?
1. The following systems should pay special attention to anti-...[Details]
introduction
The air compressor unit in the operating area of a lead-zinc mine in Guangdong is a key equipment in mining production. There are six imported Ingersoll Rand CENTAC air compress...[Details]
1. Brief Introduction
With the continuous development and improvement of single-chip microcomputer technology, single-chip microcomputers have been widely used in all walks of life, and ...[Details]
As a type of iron battery, lithium iron phosphate battery (hereinafter referred to as lithium iron battery) has always been widely concerned by industry friends (some people say that lithium iron b...[Details]
The platemaking machine is an indispensable device in platemaking and printing, and plays a very important role. The platemaking machine is a device used to make printing plates. The principle is c...[Details]
Any power system that operates from an AC source has an associated power factor, which is defined as the way it draws current from the AC source. The power factor of an AC power system is defined a...[Details]