ZTE is a leading listed company in the global communications manufacturing industry and the fastest growing communications equipment supplier in the world in recent years. In 2009, the company bucked ...
There are usually two USB virtual serial ports, such as COM7 and COM8. There is only one Bluetooth port. Does anyone know how to virtualize two Bluetooth ports? Thank you....
[i=s] This post was last edited by ddllxxrr on 2015-2-9 14:40 [/i] I have been very busy recently because of urgent work in my company. Now that I am almost done with my work, I took a break from my b...
1. I am using an embedded system to connect to IPv6 and hope to get an IPv6 protocol stack. Is there any expert in this area who can discuss this with me? 2. I already have an IPv4 protocol stack and ...
Directly modify the routine of LM4F232\boards\ek-lm4f232\timers,Timing: 10S.Add the 64-bit part to the main function// // Enable the peripherals used by this example. //ROM_SysCtlPeripheralEnable(SYSC...
New WinCE and Mobile communication group 3 was established. Group number: 68387065. People who are engaged in the underlying and upper-level software development of WinCE and Mobile are welcome to joi...
Today, with the increasing integration of functions, mobile phones can also be used as portable media players (PMP), digital cameras, handheld computers (PDAs), and even global positioning systems ...[Details]
introduction
Throughout the history of automotive lighting, power has always played an important role. Initially, cars only needed headlights to see the road in the dark. Later, other light so...[Details]
introduction
In the discharge process of tokamak plasma physics, the study of rupture and sawtooth is of great significance. Rupture and sawtooth exist in most tokamaks. Rupture is a notew...[Details]
System design is a complex process. It is not enough to just use ICs. There are many details to consider. This article uses a high-fidelity music playback system as an example to introduce how to s...[Details]
I've been studying dot matrix recently. It looks simple, but it takes a while to master it completely! The 8*8 dot matrix hardware circuit I'm making now is like this. The row is driven by 74HC138 + t...[Details]
hint:
The number of speakers and their spacing limit the sound field of a portable stereo system.
Spatial audio attempts to artificially recreate the experience of listening to sounds i...[Details]
Since AC mains power may experience power outages, voltage sags and surges, continuous undervoltage and overvoltage, and frequency fluctuations during supply, these factors will affect the continuous ...[Details]
1 Basic Features
In computer control systems and various intelligent instruments and meters composed of single-chip microcomputers (or microprocessors), various external analog signals must be ...[Details]
1 Introduction
Ultrasound refers to elastic vibration with a frequency higher than the audible frequency limit (i.e., in the frequency band above 20 kHz). The propagation process of this vib...[Details]
In the "digital pressure measurement" experimental device of applied physics, the subject technical knowledge of analog circuits, digital circuits, sensors and single-chip microcomputers is used. In o...[Details]
People who often surf the Internet until late at night, their families always complain that turning on the big lights in the living room affects their rest, but some people don't have keyboard ligh...[Details]
There are many types and styles of digital voltmeters in design and development. Traditional digital voltmeters have their own characteristics. They are suitable for manual measurement on site. Tra...[Details]
0 Introduction
In the design and construction of communication systems,
communication power supply
is called the heart of the communication system. The power supply system will dire...[Details]
1 Introduction
CAN (Controller Area Network) bus is a kind of field bus. It is used in many industrial sectors due to its outstanding advantages such as high performance, high reliability, high...[Details]
As a type of iron battery, lithium iron phosphate battery (hereinafter referred to as lithium iron battery) has always been widely concerned by industry friends (some people say that lithium iron b...[Details]