It has been a while since I got the UFUN board. As I have been busy with work recently, I have not found time to take a look at this board. Overall, the UFUN development board is relatively small, eas...
Recently I found on the Jiali Chuang forum that Jiali Chuang only posts green boards, so I was wondering if the color of the board has an effect on the patch, or if Jiali Chuang only posts green for c...
The thing is, I see a lot of open source hardware with that kind of open source hardware logo, and I also want to open source my own DIY and put a fancy logo on the PCB. I think this logo is not just ...
[i=s] This post was last edited by I Love Download on 2019-5-6 10:59 [/i] [align=left][size=4]Here we will look at message queues and mailboxes together, because their mechanisms are similar, the only...
Bias Voltage and Input Bias CurrentBias voltage is a key factor in precision circuit design. Often overlooked parameters such as bias voltage drift and voltage noise over temperature must also be meas...
MIUI's official Weibo account said that today is May 17, the National Day for the Disabled. MIUI has been working hard for seven years, hoping that everyone can enjoy the wonderful life brought by te...[Details]
The full name of BMBS
technology is BLOW-OUT MONITORING AND BRAKE SYSTEM in English and "Blow-out Monitoring and
Safety
Control System" in Chinese. In 2003,
Geely
Group t...[Details]
眾所周知,单个led功率低。为了获得大功率,需要多个并联使用,例如汽车尾灯,并且单个大功率LED价格很贵。LED另外一个致命缺点,显色指数低!在LED照射下显示的顏色没有白炽灯真实,这要从光谱分佈上来分析,属于技术问题。
Another disadvantage is the "light spot". Due to the defects in the manuf...[Details]
Denial of service is one of the common vulnerabilities in web servers, which may be caused by reasons such as overlong URLs or malformed HTTP Headers. If the web server handles these requests in an i...[Details]
With the rapid development of modern information technology, data collection technology is also constantly developing and plays an important role in information technology. Whether data is collected ...[Details]
There is a post in the Amo forum, and the 15th post gives a correct explanation of the cause of the crash.
http://www.ourdev.cn/bbs/bbs_content.jsp?bbs_sn=3589802&bbs_page_no=12&bbs_id=9999
Quoting...[Details]
The price of LCD panels for TVs plummeted in August, highlighting the slowdown in TV sales on the demand side and the oversupply of panel manufacturers on the supply side. It is expected that TV man...[Details]
The biggest change the automotive industry has experienced in the past decade is the rise of software-defined vehicles. In traditional vehicle design, dedicated hardware subsystems are used for spe...[Details]
A complete set of PLC programs is not as simple as just making the system run. It also requires complete annotations, sophisticated architecture, good scalability, a complete alarm protection syste...[Details]
According to Jiwei.com, industry insiders previously revealed that Apple cut iPhone component orders by as much as 25%, but PCB manufacturers in Taiwan, China in the iPhone 13 supply chain emphasized...[Details]
LED packaging technology is mostly developed and evolved on the basis of discrete device packaging technology, but it has great particularity. Generally speaking, the die of discrete devices is s...[Details]
Introduction: Monroe disassembled the battery system in three videos, the Pack as a whole, the Pack inside, and the module structure. This article introduces the second video, which shows some improv...[Details]
Recently, the Guangdong Provincial Communications Administration organized a special discussion meeting on 5G construction. At the meeting, Guangdong Tower, Guangdong Telecom, Guangdong Mobile, and G...[Details]
This Motorola amplifier circuit is of excellent Hi-Fi quality. This amplifier circuit can produce a maximum power of 80 Watts RMS into an 8 Ohm speaker load. Basically, the amplifier is enhanced wi...[Details]
Since Uboot2011.06 has good support for S3C6410, we use Uboot2011.06.
1. Porting environment
Host: VMWare-ubuntu
Development board: ok6410—512M nandflash, Kernel: 2.6.30.4
u-boot: u...[Details]