I transplanted boa to the development board and it ran successfully. In the error_log, it was successfully started. The directory I transplanted is: boa in /mnt/yaffs/ mime.types in: /mnt/yaffs/etc bo...
I have been browsing the forum very frequently recently because the administrator organized an activity where a flashlight would be given away for successful transactions. Then, I wanted to come here ...
[color=#3e3e3e][backcolor=rgb(255, 255, 255)][size=16px] A junior engineer who has just entered the society asked me: "Teacher, my PCB design is completed. Can I take it to the PCB processing factory ...
[size=16px] [/size] [size=16px][font=宋体][color=#002060]Yesterday's experiment found that [/color][/font][font=Nokia Pure Headline][color=#002060]2[/color][/font][font=宋体][color=#002060]DVGA[/color][/f...
[i=s]This post was last edited by IC Crawler on 2022-9-25 18:46[/i]According to the Allwinner V853 SDK download environment, the following error occurs when installing the repo:repo help
/usr/bin/env:...
[color=#333333][font=tahoma, arial, simsun]This board is a simplified version of BBB. Compared with the full version, it lacks eMMC, HDMI, USB and other components! The schematic diagram is the same a...
The rapid development of the Internet has realized high-speed information transmission and resource sharing, greatly facilitating people's lives. Embedded systems are widely used in various electr...[Details]
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]
No matter which processor you are learning, the first thing you need to understand is the registers and working mode of the processor.
ARM has 37 registers, including 31 general registers and ...[Details]
introduction
Solar cells and LED lighting are typical applications of new energy and energy-saving and efficient technologies. Solar LED lighting uses solar cells to convert solar energy...[Details]
0 Introduction
With the development of society, people pay more and more attention to security work. Monitoring products have been used in various fields instead of being used only in importan...[Details]
In the previous series, we have listed some basic knowledge of C language in Tables 1 to 3. We hope that beginners can strengthen their memory of the above tables and gradually learn to use them wh...[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]
VP2188 is a color STN LCD module produced by Jingdian Pengyuan. This module is a dot matrix transmissive color STN display screen with a color scale of 65 k colors and white LED backlight. Its core...[Details]
OC faults may be the most frequent and the most frequent of all faults in the inverter. They alarm during the startup process, during the shutdown process, during operation, and even when powered o...[Details]
Preface
In recent years, white light LEDs have gradually replaced incandescent bulbs and fluorescent lamps because they have unparalleled advantages over traditional light sources in terms...[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]
0 Introduction
With the rapid development of social economy and science and technology, electric locomotives, subways and electric vehicles will be widely used. The power conversion and cont...[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]
The principles to be followed are as follows:
(1) In terms of component layout, related components should be placed as close as possible. For example, clock generators, crystal oscillat...[Details]
Abstract: Based on the analysis of the characteristics of the IRIG-B (DC) code type, a design method for IRIG-B (DC) time code decoding is proposed. This method consists of a small number of periph...[Details]