I just learned to make ramdisk. I used the ramdisk_image.gz downloaded from the ftp server of www.denx.de. After mkimage, it can run normally. When I made it myself, I didn't use busybox at first. I c...
Very depressed. Originally there were two BSPs, one eboot channel (5.0 BSP) and one USB channel (4.2 BSP). However, after the first one entered the system, DM9000 was not connected, while the second D...
[align=center][font=Tahoma][size=5][b]Details of GCC AVR Introduction[/b][/size][/font][/align][align=center][b][font=Tahoma][size=5][/size][/font][/b][/align][align=center][b][font=Tahoma][size=5][/s...
I recently received a job that required me to use the gpio port to read and write smart cards. I have been debugging for a few days but still have no idea. I hope you can support me. Let me first intr...
I want C8051F300, but the C8051F series microcontrollers seem to be more troublesome. The ports need to be configured. Until now, the ports have not been adjusted. I can't even turn on the LED light. ...
If there are errors or warnings during the use or compilation of TangDynasty, the corresponding information will be displayed through the Error or Warning at the bottom, and there will be a correspond...
At present, the development of wireless power supply technology for electric vehicles (EVs) is becoming more and more active. In 2012, Volvo of Sweden established Volvo Technology Japan in Tokyo as...[Details]
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]
As a wireless broadband metropolitan area network standard, WiMAX technology has greater advantages than previous 3.5GHz MMDS products in terms of non-line-of-sight transmission and spectrum utiliz...[Details]
Do you often have to add brake fluid to your car's brakes? The fact that you need to pump out the brake fluid to make sure there is no gas in the brake fluid line may not be done by the car owner h...[Details]
Automotive applications are particularly sensitive to EMI events, which are unavoidable in a noisy electrical environment consisting of a central battery, bundled wiring harnesses, various inductiv...[Details]
In order to highlight the concept of "energy saving and environmental protection" of intelligent buildings, solar street lights are designed for intelligent communities. The inclination and capacit...[Details]
As cellular phones become more advanced, the power consumption of the system during operation and the power consumption during standby are also increasing. Therefore, the power management design of...[Details]
For a long time, due to the limitation of hardware conditions, the display devices of traditional small handheld devices such as PDA are usually monochrome LCD, and the user interface is very simpl...[Details]
Battery life is critical for portable applications. For applications such as smoke detectors, security devices, and thermostats, factory-installed batteries need to last for more than 10 years. The...[Details]
Although it is relatively easy to check the stability of a simple amplifier at lower frequencies, it may be much more difficult to evaluate the stability of a more complex circuit. This artic...[Details]
1. Overview
The Virtual CAN Interface (VCI) function library is an application program interface specifically provided for the use of ZLGCAN devices on PCs. The functions in the library ar...[Details]
1. Project Introduction
Shandong Dezhou Xingtai Paper Co., Ltd. is a newly built high-end paperboard production enterprise with domestic leading level established by Shandong Zhaodongfang Pape...[Details]
At very low temperatures, certain metals and alloys lose their resistance to electric
current
and become
superconductors
. Two parameters that are often measured are the transition ...[Details]
Printed circuit boards ( PCBs
)
are used in most electrical products
. If a PCB has low
insulation resistance
(IR), the performance of the circuits on the PCB will be greatly reduced...[Details]