I use external counter STM32 ETR to calculate frequency, measure 100K frequency, use timer 2 for 1S, timer three PD2 (TIM3_ETR) for counting, calculation formula f=n/t; the measured result is 9999 HZ,...
I would like an expert to explain how to use FPGA to implement the PCIE bus interface. I would like to briefly talk about the design ideas and implementation methods....
Xinhua News Agency, Xining, May 16 (Reporter Chen Jing, Qian Rong) The mobile submillimeter telescope (POST) developed by the Purple Mountain Observatory of the Chinese Academy of Sciences recently su...
I used the touch screen to act like the up, down, left, and right of a mouse, and two buttons to act like left and right clicks. I made something similar to the touchpad on my laptop, but it didn't wo...
I have been looking at the Ethernet module of 107 for a long time, but I still don't understand it. I would like to ask everyone, what is the difference between SMI MII RMII, and what are they used fo...
[i=s]This post was last edited by jameswangsynnex on 2015-3-3 19:58[/i] Avanex, a provider of intelligent photonic solutions for next-generation optical networks, announced today that it will showcase...
Sailing is gaining more and more attention. How to use modern technology to assist training and improve competition results is particularly important. Considering the real-time data collection in t...[Details]
As a wireless broadband metropolitan area network standard, WiMAX technology has greater advantages than previous 3.5GHz MMDS products in terms of non-line-of-sight transmission and spectrum utiliz...[Details]
0 Introduction
With the development of my country's economy, the number of motor vehicles continues to increase. The growth of existing roads and other hardware facilities can no longer meet t...[Details]
Nippon Electric Works and Volvo Technology Japan have developed a wireless power supply system for electric vehicles (EVs). Using this system, the two companies have successfully conducted an exper...[Details]
Capacitance Measurement
Used to verify that capacitors meet the manufacturer's specifications. For quality control, a group of capacitors may be placed in an environmental chamber and the cap...[Details]
Introduction
Automakers are working to reduce vehicle weight to reduce CO2 emissions and improve fuel efficiency. Designers are therefore seeking new technologies and design techniques that can...[Details]
Key Points
1. Now, in addition to high-end smartphones and tablets, users also expect to use touch screens in other applications, and they are gradually appearing in cars and instruments.
...[Details]
0 Introduction
Wireless Sensor Network (WSN) monitors the target by deploying a large number of sensor nodes in the target area. WSN realizes the positioning and tracking of the target, determi...[Details]
The invention of the steam engine ushered in the first conversion of internal energy and mechanical energy for mankind, and the birth of the internal combustion engine at the end of the 19th centur...[Details]
Among the uses of electrical energy, lighting accounts for a considerable proportion. Compared with the earlier ordinary incandescent lamps, the fluorescent lamps and energy-saving lamps we commonl...[Details]
Movpower is a portable power bank. It can charge most mobile phones and digital products, such as digital cameras, PDAs, and mobile phones such as Apple, iPod, Blackberry, Motorola, Samsung, Nokia,...[Details]
Workers in garment factories usually turn on the power of the sewing machine motor as soon as they get to work and do not turn off the sewing machine power until they get off work. In fact, during ...[Details]
Example of multitasking and resource reuse of programs
There is an electromechanical device with two buttons that control two different parts of the device.
Now the requirement is:
wh...[Details]
1. Self-test of lithium battery capacity
The nominal capacity of the CECT9898 OEM mobile phone lithium battery is 3800mAh, and its battery volume is comparable to the 1500mAh battery of ot...[Details]
Some industrial applications require a
three-
phase supply to be fed into a low-power dc/dc converter that may have to handle 200V or 400V effective line-to-line voltages. In addition, the...[Details]
stm32/stm8
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