[i=s]This post was last edited by wytalfred on 2014-4-16 13:17[/i] New content: It turns out that QPainterPath::lineTo() can be used to easily draw a waveform graph. It only takes 4 lines of code incl...
Made on the basis of the previous cc2540f/cc2541f Bluetooth 1-on-3 offline programmer hardware, it adopts swd communication mode! It takes about 18 seconds to erase, write, verify and encrypt 256K byt...
I would like to ask you a question. How can we evenly distribute the digital tubes on a larger outdoor display screen so that it can display clearly in the sun?...
Part-time PROE, Mentor requirements: 1. Proficient in PROE, Mentor software; 2. More than 1 year of experience in PROE, Mentor secondary development; 3. Familiar with the basic functions of relational...
Today's computer peripherals are pursuing high speed and high versatility. In order to meet user needs, seven companies led by Intel launched the USB (Universal Serial Bus) bus protocol in 1994, wh...[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]
The solidification and modularization of intelligent video analysis algorithms are the current trends in the application of intelligent video analysis technology. It perfectly combines intelligent ...[Details]
0 Introduction
With the development of society, people pay more and more attention to security work. Monitoring products have been used in various fields instead of being used only in importan...[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]
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
With the rapid development of my country's economy, the country has introduced a series of policies such as preferential policies, subsidy policies, and old-for-new policies, wh...[Details]
Li/SOCl2 batteries (lithium sub-cells) have the advantages of high operating voltage, stable discharge voltage, wide operating temperature range and long storage life, and have been widely used in ...[Details]
At present, single-chip microcomputers have been widely used in home appliances, medical treatment, instrumentation, industrial automation, aerospace and other fields. The more popular types of sin...[Details]
Hollysys' LM series PLC products fully consider the difficulties in integrating machines, equipment and subsystems in large control systems, and provide a variety of open communication protocols and i...[Details]
The active power loss of the power transformer includes two parts: transformer no-load loss and transformer load loss. Under a certain load, the active power loss of the transformer can be expresse...[Details]
Central topic:
Basic concepts of GSM mobile phones.
Considerations in design and debugging of mobile phone power amplifiers. Considerations in mass production testing of mobile ...[Details]
1. Introduction
The human balance ability is the basis for people to carry out various sports. People need balance ability to stand, sit, lie down, and walk. Once a person's balance ability is...[Details]
The USB interface design of the digital synthesis sweeper is divided into two parts: hardware and software. The hardware includes the main body of the sweeper and the USB interface. The design uses Ph...[Details]
At present, there are many existing automotive bus standards, among which the CAN bus and J1850 are widely used. These buses all use special data harnesses, and the requirements of the ECU units of...[Details]