The back-and-forth scrolling display of 8 LED light-emitting tubes (4 red and 4 green) simulates the back-and-forth movement of the table tennis ball on both sides of the table when playing table tenn...
Recently, I have started to actually try to write Linux drivers. The platform is BBBlack. I use the anstrom system provided by Inbet, and the 3.8.13 version of the kernel. Now I have just written the ...
[i=s]This post was last edited by jameswangsynnex on 2015-3-3 20:01[/i] Yesterday, Liu Zhengyu, General Manager of Canada RIM China, revealed that the company never manufactures mobile phones by itsel...
[i=s]This post was last edited by paulhyde on 2014-9-15 09:31[/i] It is inevitable that the competition works will have faults during the production process. Fault detection and troubleshooting are pa...
2015 will be over in a few hours. Alas, a year has passed by. Looking back on this year, to be honest, I haven't achieved much. In life, besides working day and night, I go to the forum. I always thin...
Magnetic resonance imaging (MRI) systems can take high-resolution cross-sectional perspective images of the human body, providing very useful information for medical diagnosis. The radio frequency pro...[Details]
The circuit shown in the figure is a three-digit tachometer used to measure low frequency signals with a repetitive time interval of 0.235 to 15 seconds. The tachometer has a speed range of 4 to 255 r...[Details]
How can we get the highest performance from an A/D converter? The obvious answer is to use good design and board layout, but there are other techniques that can be used to improve performance. We can ...[Details]
Blood pressure is one of the important physiological parameters of the human body. Accurate measurement of it is conducive to early detection and identification of hypertension types, and to the pro...[Details]
In response to a series of problems caused by the backwardness of traditional water meters, the Ministry of Construction of China has proposed the requirement of "three meters per household" for ur...[Details]
Lithium-ion battery is a widely used rechargeable battery. It has the advantages of high single-cell operating voltage, small size, light weight, high energy density, long cycle life, rapid full ch...[Details]
The overcurrent and overheating coordinated protection technology implemented by polymer positive temperature coefficient devices (PPTC) can protect motors, controllers and electronic components in...[Details]
Many MEMS devices, such as accelerometers and mechanical resonance devices, require a vacuum environment to realize their designed functions. However, verifying whether the package cavity has reach...[Details]
E6601A is Agilent's new generation of comprehensive tester platform, designed to provide low-cost calibration solutions for mobile phone manufacturers. It uses an open Windows® XP platform, allowi...[Details]
introduction
Mobile phones, MP3 players, hard disk players, digital cameras, PDAs and other devices are all controlled by navigation keys. Currently, the more popular navigation key contro...[Details]
Demand Analysis
In an era of rapid information development, the process of electronicization of the financial system has also been greatly accelerated. As a platform that provides services 24 ...[Details]
introduction
Controller Area Network (CAN) is a bus standard proposed by Bosch of Germany to solve the information communication between automotive electronic control units. With its excel...[Details]
Multi-parameter monitor is an important device in clinical nursing. It can monitor the patient's ECG, blood pressure, blood oxygen saturation, respiratory rate, pulse rate and temperature. At present,...[Details]
introduction
The data detected by various
measuring instruments
often need to be transferred to a PC for data processing and archiving, so as to make full use of the rich hardware an...[Details]