[i=s]This post was last edited by jameswangsynnex on 2015-3-3 19:59[/i] The biggest advantage of IPTV is "interactivity" and "on-demand viewing", which completely changed the characteristics of tradit...
#include stdio.h
#define FRAME180
short int h[19] = {399,-296,-945,-1555,-1503,-285,2112,5061,7503,8450,7503,5061,2112,-285,-1503,-1555,-945,-296,399
};
static short int nBuff[FRAME + 20];
void Lowpas...
1. IntroductionDuring the debugging process of the device, you often need to check some data and operating status of the device. Use the STM32H745 development board to display the main data and status...
There are many high-frequency ultrasonic sensors for sale on the Internet, but they do not have the relevant sensor processing circuits.
How can we design this kind of circuit? The sensor doesn’t seem...
Introducing a national invention patent - a smart water meter with one card. The patent was applied by Zhengzhou Leyuan Electronic Technology Co., Ltd. and was authorized on January 9, 2018.Contents
T...
Introduction
Permanent magnet synchronous motor (PMSM) based on sine wave has the advantages of high power density, high efficiency and low rotor loss, and has been widely used in the field...[Details]
0x00 Introduction This article mainly implements SDK-related operations for Lianshengde's W806 chip under Linux, including but not limited to specified burning, erasing, and compiling. 0x10 Prepara...[Details]
(Shanghai, China, May 25, 2021) On May 17, the China (Suining) Honeycomb Energy Global Partner Summit and Suining Lithium Battery Industry Promotion Conference were held in Suining, Sichuan. As an im...[Details]
Akamai Shield NS53 protects on-premises and hybrid DNS infrastructures from resource-exhaustion attacks
April 15, 2024 – Akamai Technologies, Inc. (Akamai), the cloud service provide...[Details]
Mr. Zhao Handing, Secretary General of the Large Screen Projection Display Branch of the China Electronic Video Industry Association, said, "Splicing walls are not dispensable, but can greatly im...[Details]
Internet of Vehicles technology can be said to be a typical example of the fluctuations in technological development. At the recent CES Asia, the automotive industry occupied two venues, with over...[Details]
The key point of the project is to be able to use the ARM9 (TQ2440) based on the image collected (OV9650) and the template I gave in advance to determine whether the content of the template I gave is...[Details]
Digital filters can filter out excess noise, expand the signal frequency band, complete signal pre-adjustment, and change specific spectral components of the signal to obtain the desired results. D...[Details]
On the evening of September 22, PCB leader Shenzhen Nan Circuit disclosed that in the communications field, the company has formed long-term and stable strategic partnerships with global leading comm...[Details]
introduction
With
the development of
microelectronics
technology and
computer
technology, the original electrical equipment, which was mainly based on strong electricity an...[Details]
The achievement of "China ranks first in the world in terms of production and sales scale of new energy vehicles " is closely related to new energy subsidies. With the comprehensive decline of new en...[Details]
The trend of smart TVs has won the favor of more young people. With the accelerated popularization of smart homes, the trend of TVs "returning to the center of home entertainment" has become more and...[Details]
Development and Reform Energy No. 187
To the Development and Reform Commissions and Energy Bureaus of all provinces, autonomous regions, municipalities directly under the Central Government, ...[Details]
How to convert the 4-20ma output of the current sensor? The output of the two-wire current sensor is 4-20ma, which is converted into an analog voltage signal of 1-5v or 2-10v through a 250ω preci...[Details]
"Tech Unheard" is a technology interview podcast hosted by Arm CEO Rene Haas, focusing on the forces of change in the industry and exploring cutting-edge technologies and the stories behind them. T...[Details]