It is said that Active-Semi International, Inc. ("Active-Semi"), a privately held fabless provider of programmable analog power solutions.Regarding Active-Semi, Qorvo gave a special introduction in " ...
Talk about the launch of the event: Domestic chip manufacturers are bravely moving forward in the unfriendly situation abroad, swimming in the "chip sea", and everyone is paying attention to Chinese c...
Participating in the event, I thought about it and showed off my Wei Dongshan suit.
I have played with other games like Atom and Wildfire. Basically, I can light a lamp and run a routine. As for Viagr...
If I turn up the volume (i.e. the load increases), the 5V output of my DCDC will jump to below 3.9V (12V adapter). I would like to ask if anyone has encountered a similar situation and how to improve ...
I drew a draft of the micro-bit. I don't want the original gold finger. I just want the 100mil spacing of the headers!51822 parts directly use the ready-made modules![b][color=#5E7384]This content is ...
[i=s]This post was last edited by xiyue521 on 2021-4-30 22:58[/i]1. The AB32VG1 development board is based on the high - configuration chip AB5301A based on the RISC-V architecture launched by Bluetru...
The pursuit of longer operating time for portable products has led to fuel cells becoming a new power source in the field of terminal equipment. However, there are still many challenges in "using f...[Details]
This paper aims to strengthen the security management of the vault. Aiming at the current management defects of the vault, this paper designs an electronic password lock system for the vault door. ...[Details]
As modern communication signal processing develops into the 3G and 4G era, the requirement for processing speeds of hundreds of megabits per second is a great challenge for adaptive processing tech...[Details]
China Unicom and Ziguang ZTE jointly launched the world's first 5G CPE VN007+ that supports complete 3GPP standardized network slicing and eSIM, which not only brings users a 5G high-speed experience...[Details]
Last year, Apple introduced a keyless entry feature in the BMW 5 Series, the first car with this feature. The feature is designed to unlock, lock, and start the vehicle. According to foreign media re...[Details]
Introduction Although voltage measurement alone has been used in many portable products to estimate the remaining battery charge, this approach can have errors as high as 50%. The relations...[Details]
Linux memory management
The paging management of embedded processors is a two-level mapping, with memory space and I/O space addressed uniformly, while the x86 processor uses a three-level map...[Details]
In recent years, ubiquitous multi-mode human-computer interaction has become an important driving force for the development of the Internet of Things. Each generation of innovative development of hum...[Details]
0 Preface Virtual instrument is a computer-based automated test instrument system. The outstanding advantage of virtual instrument is that it can be combined with computer technology, combining...[Details]
By pressing the 4*4 matrix button, the digital tube will display the corresponding value #include reg52.h typedef unsigned char u8; typedef unsigned int u16; u8 code smgduan ={0x3f,0x06,0x5b,0x4f,...[Details]
In fact, I had almost no experience with embedded systems before. I only learned 8-bit microcontrollers, which were simple things! Then I learned assembly language programming and C language for 80...[Details]
OFweek Cup 2022 China
Robot
Industry Annual Awards (abbreviated as OFweek Robot Awards 2022) is jointly organized by OFweek, China's high-tech industry portal, and its authoritative robo...[Details]
Although fluorescent lamps in the past had high luminous efficiency, they contained highly toxic substances - mercury, and they could not be dimmed. Now the luminous efficiency of LEDs has caught up w...[Details]
Huawei released its 2018 annual report on the 29th. The report shows that Huawei's revenue in 2018 reached 721.2 billion yuan, a 19.5% increase from 2017. The profit was 59.3 billion yuan, also a 25....[Details]
pc：Centos5.4
Kernel: Linux 3.0.1
Development board: ok6410
Cross compiler: arm-linux-gcc 4.4.1
LCD Driver
How to write LCD driver?
1. Allocate an fb_info structure: fr...[Details]
RF/Wirelessly
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