[code]function findR(val,err,sel,area) %Find matching resistor %val=R2/R1 %err deviation %sel resistor selection, use 1% resistor when 1, use 5% resistor when 5 %area order of magnitude range, search ...
For many engineers, using various tools become everyday job, sometimes we even miss in those tools. In the article, the author went through one experience of solving routing congestion in the design t...
I put my 6410 into hibernation and then woke it up. For less than 1 second, the screen showed the image before it went into hibernation. It seems that the video memory was not refreshed and the backli...
Using vivi, it shows booting the kernel but nothing happens: The details are as follows vivi> boot Copy linux kernel from 0x00030000 to 0x30008000, size = 0x001d0000 ... done zImage magic = 0x016f2818...
Since the clocks of the transmitting and receiving ends are from different sources, clock synchronization, i.e. code synchronization, is required. I used an early-late gate to achieve code synchroniza...
In the simple oscilloscope experiment in the previous article, when observing the waveform of the AC linear low-voltage power supply, what I saw was a regular undulating approximate straight line, ins...
Hardware designers have begun to adopt FPGA technology in high-performance DSP designs because it can provide 10-100 times faster computing than PC-based or microcontroller-based solutions. Previou...[Details]
In
circuit design,
current
measurement
is widely used, and the main fields are divided into three categories: in measurement,
the electric meter
is used to measure the curre...[Details]
1. What is temperature?
Heat is a type of molecular motion. The hotter an object is, the faster its molecules move. Absolute zero is defined as the temperature at which all molecular motion ...[Details]
1. With the development of modern industry and the continuous improvement of automation, some medium and large control systems have been greatly facilitated, which not only makes control easier, bu...[Details]
1 Introduction
Intelligent control instruments are one of the most commonly used controllers in industrial control. They are mainly aimed at a specific parameter (such as pressure, tempera...[Details]
With the rapid development of intelligent control technology, computers and information technology, the trend of information appliances IA (Information Application), computers and communications integ...[Details]
The potentiometer is an adjustable electronic component. The main functions of the potentiometer in the circuit are as follows:
1. Used as a voltage divider
A potentiometer is a continuou...[Details]
With the advocacy and implementation of the government's Safe City Plan, the security market has increasingly higher requirements for the clarity of surveillance images. Imagine that after a case o...[Details]
In today's body control module (BCM) designs, savvy engineers are moving away from electromechanical relays whenever possible. Their next step is to eliminate fuses. But is eliminating fuses a nece...[Details]
With the widespread application of new services and technologies in the communications industry, the scale and capacity of operators' network construction are getting larger and larger, and the ris...[Details]
This article will introduce a design method for a distributed control system used in a tracking car, which can perform distributed control of motor modules, sensor modules, and lighting control mod...[Details]
At present, a large number of cooling tower fans, speed fans and special fans are in use in petroleum, chemical, pharmaceutical, metallurgical and other enterprises. Some fans have no monitoring in...[Details]
1 Embedded Systems
Embedded System refers to a collection of computer hardware and software with specific functions or purposes, which is divided into embedded software system and embe...[Details]
The automotive power electronics market has grown rapidly as comfort and active safety features become more common. As traditional mechanical functions shift to electronic applications, the demand ...[Details]
Energy conservation and environmental protection are the main directions of current automotive technology research, and power batteries are the key to electric vehicle technology. Research on powe...[Details]