I recently went shopping and found that there were more beautiful women wearing masks. Is it because they have been staying at home for a long time and their aesthetic standards have improved, or is t...
What values should be set for Bluetooth output power, receiving sensitivity, resolution, TX transmitting current, RX receiving current, and data rate to achieve better performance?...
[i=s]This post was last edited by Hurricane_csz on 2021-12-29 14:21[/i]Does anyone know the size of a USB interface? The kind that directly places the four signals (Vbus, GND, U+, U-) on the PCB?...
[size=4]Let's start with the official schematic, which is quite detailed. [/size] [size=4][/size] [size=4] [/size] [size=4][/size] [size=4] [/size] [size=4]The circuit is basically the same as the off...
I drew a CC1101 transceiver board a while ago, but it was not successful. Finally, I found that the 27nH inductor was soldered into 27uH, which eventually led to failure.
Now after the replacement, it...
Recently, affected by the epidemic in Malaysia, the global supply of automotive chips has tightened again, and the production of many vehicle manufacturers has been affected. Not long ago, when NIO a...[Details]
Building security systems are used in many system topologies, from simple alarm systems to complex sensor networks, all reporting to a master security panel that serves as a hub. Depending on their d...[Details]
Driven by AI and technology, especially in 2016, when Google's AlphaGo won many games against top human Go players, it gave the world a () science popularization, and a new wave of AI development b...[Details]
The last Xperia Compact smartphone was released in 2018, and Sony has not launched an iteration of the device, as most manufacturers have given up on small-screen phones. But there are reports that a...[Details]
According to Dutch technology blog letsgodigital, Huawei recently approved a patent for the appearance of a foldable screen mobile phone. The patent document contains 16 pictures from different ang...[Details]
Now it’s easy to make this kind of little thing, Gaga is a “reference” solution.
The first step is to determine the function of this thing and let the function guide the design.
...[Details]
; = ... ;Under normal conditions, the first digital display will display 0 to 9 numbers every 1 second; ;When button K1 is pressed, an interruption occurs, the second digital displa...[Details]
1 Introduction
The effective design of ESD (Electric Static Discharge) protection structure is one of the important tasks of CMOS integrated circuit reliability design. Its ESD structure is closely...[Details]
Multiple Input and Multiple Output (MIMO) technology is arguably the next most important development in wireless communications since the advent of digital communications. Many new wireless communica...[Details]
The LCD scrolling program in the previous section has about 160 lines. As the number of hardware modules increases and the amount of programs increases, we often have to write programs into multiple ...[Details]
1. Preparation 1. Download the source code of x264 library: http://www.videolan.org/developers/x264.html The author's current version is x264-snapshot-20160511-2245 2. Compiler arm-none-Linu...[Details]
Abstract: Aiming at the harmfulness of harmonics, mathematical theory is used to qualitatively analyze the superposition of harmonics and the characteristics of high-order harmonics.
On this b...[Details]
Effective use of network storage technology is an important part of any data storage management strategy. Relying solely on hard disks, JBODs and other types of local storage is not enough to protect...[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]