Does anyone have experience or relevant documents in high-speed analog circuit design? I am designing a high-speed analog circuit recently, but I am having a hard time drawing the PCB. What should I p...
Beijing time, at 11:15 Beijing time, the Chinese women's volleyball team defeated Serbia 3:1 to win the Olympic championship. After the fourth game was 23:23, the Chinese team paused and replaced the ...
Android Improvement Part 1: MediaPlayer
This article comes from http://blog.csdn.net/hellogv/Fourteen introductory articles about interfaces have been written previously. After reading and practicing ...
The Nucleo development board uses a MiniUSB interface, but the development board itself does not come with a MiniUSB cable, so we must prepare one ourselves. Use a MiniUSB cable to connect to the comp...
I now have a camera and an image acquisition card, two sets of matching, and with a driver, but the driver can not automatically capture images every once in a while. I want to write a program to auto...
Please recommend a PDA with a serial port. In the Modbus communication of the instrument, the upper computer can be a PLC, PC, PDA or smart phone. Recently, I need to find a PDA as the upper computer ...
The Portable Digital Data Acquisition System (PDDAS) uses LabVIEW Real-Time and PXI to control the wind tunnel test and record air pressure data from 128 different channels.
"The LabVIEW Real-...[Details]
1. Introduction
With the gradual automation and modernization of industrial control systems, fieldbus control systems have received more and more attention and application. CAN bus is currentl...[Details]
1 Introduction
The Third Steel Plant of Jigang Group is a key investment project of Jigang Group during the "15th Five-Year Plan". It has introduced first-class domestic and foreign advanced eq...[Details]
Experimental tasks
A DS18B20 is used to form a temperature measurement system. The temperature measurement accuracy reaches 0.1 degrees. The temperature range is between -20 degrees and +50 de...[Details]
In 2012, more than half of the cars in the European, Japanese and American car markets will be equipped with color displays, navigation systems, satellite communications and other in-vehicle infota...[Details]
At present, the traffic congestion in cities is quite serious. According to relevant news reports: In China, the traffic congestion has expanded from megacities such as Beijing, Shanghai, and Guangzho...[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]
The DisplayPort interface standard is approved by the Video Electronics Standards Association (VESA) to provide an open, scalable standard for the entire industry. The development of DisplayPort ca...[Details]
store
To prevent moisture, LEDs should be stored in a dry and ventilated environment with a storage temperature of -40°C to +100°C and a relative humidity below 85%.
The LED should be use...[Details]
1 Battery technology determines the fate of energy vehicles
Regardless of whether new energy vehicles are hybrid or pure electric vehicles, they cannot do without the core technology of batter...[Details]
introduction
Caller ID delivery (CID) is a service provided to the user's phone. The method is that the originating switch transmits the caller number and other information to the terminal swi...[Details]
Stepper motors, also called steppers, use the principles of electromagnetism to convert electrical energy into mechanical energy and have been used since the 1920s. With the increasing popularity o...[Details]
The rapid development of the automobile industry has promoted the progress of global machinery, energy and other industries, as well as the development of economy, transportation and other aspects,...[Details]
1 Causes of problems with electric vehicle batteries
1.1 Caused by the battery itself
Why do we say that? In the previous issue, we learned about the working princi...[Details]
Lithium iron phosphate batteries are used as lithium-ion secondary batteries. Their main application is now in power batteries, which have great advantages over NI-H and Ni-Cd batteries.
Lithi...[Details]