[font=宋体]In industrial control and other environments, electrical noise often interferes with transmission lines. RS-485 transceivers use balanced transmission and differential reception, have the abi...
[p=26, null, left][color=rgb(51, 51, 51)][font=-apple-system, BlinkMacSystemFont, "]requests is a HTTP client library for Python, similar to urllib and urllib2. It is more convenient than urllib and c...
Wearable temperature patches are an emerging trend in patient temperature monitoring systems. One of the biggest hurdles in designing these patches for use in clinical settings is meeting stringent ac...
I am working on a water pump project. AD620 is used to amplify the signal output by the weighing sensor (pressure sensor), and the voltage is amplified through differential input. After the hardware c...
After AD conversion, the signal can be sent to the computer via RS232 serial port. The following is my AD program, which can be used for reference. Single channel multiple sampling is required.
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0 Introduction
With the development of my country's economy, the number of motor vehicles continues to increase. The growth of existing roads and other hardware facilities can no longer meet t...[Details]
Experimental tasks
A DS18B20 is used to form a temperature measurement system. The temperature measurement accuracy reaches 0.1 degrees. The temperature range is between -20 degrees and +50 de...[Details]
In 2012, more than half of the cars in the European, Japanese and American car markets will be equipped with color displays, navigation systems, satellite communications and other in-vehicle infota...[Details]
At present, the traffic congestion in cities is quite serious. According to relevant news reports: In China, the traffic congestion has expanded from megacities such as Beijing, Shanghai, and Guangzho...[Details]
Key Points
1. Now, in addition to high-end smartphones and tablets, users also expect to use touch screens in other applications, and they are gradually appearing in cars and instruments.
...[Details]
1 Battery technology determines the fate of energy vehicles
Regardless of whether new energy vehicles are hybrid or pure electric vehicles, they cannot do without the core technology of batter...[Details]
The rapid development of the automobile industry has promoted the progress of global machinery, energy and other industries, as well as the development of economy, transportation and other aspects,...[Details]
1 Introduction
This laboratory is mainly based on the characteristics of vocational education. It provides remote PLC technology training and teaching experiment functions for on-campus (studen...[Details]
Example of multitasking and resource reuse of programs
There is an electromechanical device with two buttons that control two different parts of the device.
Now the requirement is:
wh...[Details]
The classification of large-screen electronic image display technology is as follows:
The projection type screen display system relies on the optical projection method to form an ima...[Details]
1 Working Principle
This system makes full use of the control and computing capabilities of the 89C51 single-chip microcomputer and adopts the MCS-51 assembly language to design a microwave pu...[Details]
1. PCB circuit board
Tester
Main functions
The tester adopts circuit online testing technology, which can be used to test and analyze common faults of various small and medium-scale ...[Details]
Abstract: This paper studies the technology of infinite impulse response digital filter (IIR) based on Visual DSP++, analyzes the principle and algorithm of infinite impulse response digital filter...[Details]
1. MC68360 chip introduction
MC68360 is a highly integrated 32-bit general-purpose communication controller, widely used in communication equipment. Its main features are as follows:
The e...[Details]
Causes of LED lamp damage
LED lamp failure comes from the failure of power supply and driver, and the failure of LED device itself. Usually, the damage of LED power supply and driver comes from ove...[Details]