Cortex-A8 tablet development board is now available!1. Group leader registration number: SJ2012001
2. Product introduction: Shenzhen Youjian Hengtian Company produces a cost-effective tablet developme...
I believe that every netizen is familiar with setting passwords for registered accounts, right? Recently, the British Daily Telegraph reported on the 21st that the Internet data application security c...
[i=s]This post was last edited by cl17726 on 2017-3-7 20:15[/i] The size of this Flash has almost doubled. I finally got it replaced. I feel like a rich man, with a huge house, although I can't do muc...
As shown in the figure, LM2596 inputs 7.2V DC, stabilizes to 2.8V, and gives me the lower MCU system to work. The lower system works normally at normal temperature. But I put the system in the refrige...
1: Does the external crystal oscillator generate a square wave or a sine wave? 2: Is the PLL clock inside the system a square wave or a sine wave? 3: If it is an asynchronous fifo, one clock is the ex...
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]
Battery life is critical for portable applications. For applications such as smoke detectors, security devices, and thermostats, factory-installed batteries need to last for more than 10 years. The...[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]
0 Introduction
Ultrasonic waves
are mechanical waves with a frequency of more than 20KHz, and the propagation speed in the air is about 340 m/s (at 20°C). Ultrasonic waves can be gene...[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]
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]
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]
1. Introduction
AS-Interface bus technology is an intelligent network that uses a single cable to connect sensors and actuators to controllers, transmit data, and provide power. It can be used...[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]
As the automobile consumer market heats up, the safety performance of automobiles has attracted more attention from consumers. When driving at high speed, tire failure is the most worrying and diff...[Details]
1 Introduction
This laboratory is mainly based on the characteristics of vocational education. It provides remote PLC technology training and teaching experiment functions for on-campus (studen...[Details]
As the global leader in virtual instrument technology, NI provided customers with more than 6,000,000 virtual instrument measurement devices in 2004 alone. For 25 years, engineers have used virtual...[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]