Background: The BlueNRG series has a hardware RTC, but unfortunately, this part is turned off when sleeping. If used at this time, it will cause inaccurate time. But in many cases, we need the timing ...
[color=rgb(68,68,68)][backcolor=rgb(255,255,255)]I have a question. Can someone please help me answer it? My wince has already installed the iic driver. So do I need to write a separate driver to conn...
When using serial communication, after using AT+CIPSEND, it returns >, and then when using AT+CIPCLOSE to close, the command sent is sent as a message. Can anyone help me?...
[i=s] This post was last edited by Firefly on 2017-6-8 10:07 [/i] May I ask: For the calculation formula of capacitor reactance: [font="]Xc [/font][color=#404040][font="][size=10.0pt]= [/size][/font][...
[i=s]This post was last edited by jameswangsynnex on 2015-3-3 19:58[/i]A novel dimming desk lamp controller, which changes the incandescent lamp in a step-by-step cycle of "strong light-medium light, ...
Multi-channel data acquisition system based on CS5321 and CS5322 Introduction∑-△ A /D conversion technology has been widely used in data acquisition systems due to its high resolution and large dynami...
Preface
Sleep apnea is a very common sleep breathing disease. According to research, about 24% of adult men and 9% of adult women, or more than 2 million people, suffer from this disease ...[Details]
WiMax technology needs to demonstrate its advantages in specific application scenarios in order to gain market recognition, which requires application testing to measure system performance para...[Details]
0 Introduction
SAA7111 is a programmable video processor produced by Philips. The chip integrates A/D and decoding functions. It has phase lock, automatic clamp, automatic gain control, cl...[Details]
introduction
The fall detector is suitable for elderly people and children with poor self-care and self-protection abilities. It senses changes in the body posture of the individual wearing th...[Details]
From the moment AVS video was born, scientists and engineers have been working tirelessly to reduce the size of audio and video bitstreams. Various advanced video compression algorithms have emerge...[Details]
With the rapid development of network technology and information communication, network economy and knowledge economy are no longer the exclusive domains of IT and other high-tech industries. The i...[Details]
Abstract:
This paper introduces the excitation system designed for 3/3 phase double winding induction generator, which is composed of DSP and FPGA. The interface circuit of the control sys...[Details]
Billboards are information display terminals for the public, with a wide range of civil and commercial values. However, most of the information displayed on billboards is currently solidified in th...[Details]
FSK (Frequeney-Shift Keying) uses carriers of different frequencies to transmit digital signals. FSK signals have the advantages of strong anti-interference ability and long transmission distance, and...[Details]
Focus shift problem
Visible light and infrared light have different wavelengths, so the imaging focus is not on the same plane, which results in a clear image under visible light condition...[Details]
1. Introduction
The current information age is an era built on the basis of the network. IP networks based on TCP/IP protocols, such as Internet, Intranet and Extranet, are developing with...[Details]
0 Introduction
A gyroscope is an instrument that can accurately determine the direction of a moving object. It is an inertial navigation instrument widely used in modern aviation, navigation...[Details]
The automated management and operation system has become an indispensable part of modern enterprises. The video image transmission monitoring system has been widely used in important occasions such...[Details]
As modern cities develop towards multi-functionality, urban layouts become increasingly complex, with hundreds, even thousands of ground monitoring points. To ensure that functional departments can...[Details]
Digital signal processors (DSPs) offer excellent multimedia performance. In general, they can run codecs at only 40% to 50% of the cycles of a general-purpose processor (GPP) core. DSPs also offer ...[Details]