Dear experts, I need a HiSilicon 3520 vehicle-mounted DVR solution with 4/6/8-channel recording and 4G transmission. If you have a channel, please contact me and we can cooperate. 18823337249...
Chapter 10, the function rt_list_isempty in Listing 10-6 does not seem to be defined.This content is originally created by Tianming Fengliu , a netizen on the EEWORLD forum. If you want to reprint or ...
The circuit is shown below: [img=110,0]https://bbs.eeworld.com.cn/forum.php?mod=image&aid=209873&size=300x300&key=0e62d81a9ae01719&nocache=yes&type=fixnone[/img] Q2 is a Pmos tube, FDN338P, Q1 is a Nm...
[i=s]This post was last edited by Shi Yu on 2017-4-1 16:25[/i] I received an email from DJI at the gym last night, indicating that the Phantom 3 SE had been shipped. I was so excited. After waiting fo...
When I use the IE that comes with WinCE to print a 1024×768 web page, I find that the web page is not printed completely and the content on the right is lost. I wonder if you have any solutions to off...
[i=s] This post was last edited by Yunhu Congbai on 2022-3-10 11:57 [/i] ## Preface On the second day of work, I spent half an hour to get the pwm drive of the passive buzzer to play music. ## Passive...
1. Equipment Overview
Shell-and-tube heat exchangers are a common heat exchange device used in chemical evaporation and heating equipment. Currently, the tubesheets of shell-and-tube heat exch...[Details]
New energy pure electric vehicles generally accelerate faster than comparable fuel-powered vehicles, both from a standing start and while accelerating. Many believe this is simply due to the motor'...[Details]
In recent years, with the application of the IEC61850 standard and the development and deployment of optoelectronic transformers, the concept of digital substations has been put into practical use ...[Details]
Since its invention in the mid-1940s, the microwave oven has evolved from a humble beginning to commercial use, entering homes in the 1960s and rapidly gaining popularity. Its basic functionality a...[Details]
In June 2014, the Ministry of Industry and Information Technology issued 4G FD-LTE licenses to China Unicom and China Telecom. Together with the 4G TD-LTE licenses issued to China Mobile, China Uni...[Details]
Through AI connection technology supported by Qualcomm X85 5G modem and RF and Qualcomm FastConnect 7900 mobile connection system, seamless switching can be achieved between cellular net...[Details]
With growing environmental awareness, the continuous improvement of three-electric technology and the increasing deployment of infrastructure such as charging stations, the electrification of new e...[Details]
Analog Devices held a third-quarter fiscal 2025 earnings conference call. Vincent T. Roche, CEO and Chairman of the Board, and Richard C. Puccio, Executive Vice President and Chief Financial Office...[Details]
introduction
With the development and widespread use of integrated circuits in power electronics design, electronic products are trending towards smaller sizes, more components, and greater fu...[Details]
I believe everyone has heard of memory. If your computer is slow, your experts may recommend upgrading it to a larger capacity. But what exactly is computer memory used for? Why does memory capacit...[Details]
Renesas Electronics introduces a new USB-C power solution with an innovative three-level topology.
Improve performance while reducing system size
New solution combines excel...[Details]
Introduction: Traditionally, lead-acid batteries have primarily been used to provide backup power and power regulation based on location. In typical applications, the battery's actual use (discharg...[Details]
Perhaps due to the stereotypes surrounding electronic products, many owners of pure electric vehicles have questions about charging. What's the correct way to charge? How can charging slow down bat...[Details]
introduction
Whether in the automotive entertainment or home theater system markets, consumers continue to demand more channels and speakers, each capable of handling higher audio po...[Details]
Wireless Communications
Ethernet protocol
Touch screen and 200Smart
In real-world systems, multiple PLCs are distributed throughout a single workshop, centrally controlled by a...[Details]