After I used make zImage to compile the 2.6.13 kernel file, and burned the /arch/arm/boot/zImage file into the board, an error occurred during linux decompression. The error message is as follows: VIV...
When I looked at the communication system data, it mentioned that negative voltage source system is used.The benefits seem to be:A. Anti-lightning strike?B. Can it reduce oxidation and corrosion?C. Re...
Reprinted from: deyisupport [align=left][color=#000]When designing a power supply, one of the challenges designers face is how to deal with transient voltages. It is very important to protect the circ...
I want to do multi-channel temperature acquisition, using K-type thermocouples, charge pump conversion module for power supply, and AD620 and OP07 for secondary amplification for signal conditioning. ...
[color=Blue][b][size=4]This article was published by the author on EEworld (bbs.eeworld.com.cn). Please do not reprint without the permission of EEworld. [/size][/b][/color] Recently, I finally recei...
The very strange thing is this: In the OAL initialization, the operation of GPIO is added, which is a very simple operation, that is, the operation of pulling up and pulling down; The place where the ...
Emergency hand-held lamps powered by 6V maintenance-free batteries are widely used in rural areas. The charger used is a transformer step-down and single diode half-wave rectifier, and the charging...[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]
introduction
my country has a vast territory and a large population. The scale of housing construction is huge, and the amount of residential construction is large and wide. It is still on t...[Details]
Analog engineers have traditionally struggled with complexity when designing power supplies that required multiple outputs, dynamic load sharing, hot-swap, or extensive fault-handling capabilities....[Details]
The reason for the light decay of white LEDs: the decline of phosphor performance
So far, the rapid decline of the luminous performance of white light LEDs, especially low-power white light LE...[Details]
With the rapid development of urban economy, elevators are increasingly used as a vertical transportation tool. However, elevator fault detection and maintenance, especially the role of elevator remot...[Details]
Vertical cavity surface emitting lasers (VCSELs) are gradually replacing traditional edge emitting lasers, especially in low bandwidth and short-distance communication systems where cost factors ar...[Details]
Product series: PB-B-RS232/485 interface (hereinafter sometimes referred to as "interface") is a product in the PROFIBUS bus bridge series.
The main purpose of the bridge series ...[Details]
1. Introduction to CIF Board
Fieldbus integration based on PC system
Whether it is a master or a slave, fieldbus has won unanimous praise in the field of PC-based automation. For more...[Details]
LED is the abbreviation of light emitting diode, which is an electric light source made of semiconductor technology. The core part of LED is a chip composed of P-type semiconductor and N-type semi...[Details]
In recent years, with the rapid development of the information industry, dot matrix LED display screens have been widely used in various advertising and information display systems such as the fina...[Details]
Capacitance Measurement
Used to verify that capacitors meet the manufacturer's specifications. For quality control, a group of capacitors may be placed in an environmental chamber and the cap...[Details]
With concerns about the growing energy crisis, motor efficiency has become an important and timely topic. This is because motors use 63% to 70% of the electricity produced in the United States and ...[Details]
Today, the value of electronic components in cars accounts for 15-20% of the total vehicle. In the future, this proportion may be as high as 30-40% as more safety electronics, fuel consumption and ...[Details]
It is well known to automotive suppliers that automakers are demanding more from their supply base. For connector suppliers, this means stricter requirements for product performance, stability and ...[Details]
Linux and Android
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