Purpose of code: There are 50 IO ports to be controlled, all of which are high level in static state. Now you need to use the serial port to control the IO ports to be pulled low. You can select any o...
Key points for integrated amplifier application Nowadays, the common Hi-Fi integrated amplifiers on the market are mainly products of the following three companies: 1. National Semiconductor Corporati...
CIRCUIT FUNCTION AND BENEFITS This circuit consists of a digital-to-analog video converter coupled with a low cost, low power, fully integrated reconstruction video filter. Although many video encoder...
1. Overlapping pads Overlapping pads (except surface mount pads), that is, overlapping holes, will cause broken drill bits and wire damage when drilling because of multiple holes in one place. 2. Abus...
What is the data storage of Z-stack on CC2530 like? I have searched for information on the Internet for a long time but couldn't understand it. It is said that the used storage space can be determined...
Selling... Friendly Arm mini2440 development board 3.5 inch LCD touch screen S3C24... Does anyone want it... [img]file:///C:/Users/吴斌/Documents/Tencent%20Files/874901774/Image/d[$%7B6@z@6duwe33y%25l9~...
As cellular phones become more advanced, the power consumption of the system during operation and the power consumption during standby are also increasing. Therefore, the power management design of...[Details]
Investment in
the
medical device
industry has been on the rise in recent years. In the past two years, venture capital for medical devices has almost doubled, reaching $4 billion in 2007. Fr...[Details]
Recently, news came from the certification department that the photovoltaic grid-connected inverter of Samil New Energy Co., Ltd. (hereinafter referred to as "Samil New Energy") has once again obta...[Details]
0 Introduction
High-precision current source can provide high-precision current supply for precision instruments, and is suitable for automatic measurement tasks of various resistors in semico...[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]
The power supply is the core component of a computer. Although it is not of high value, all computer components rely on the switching power adapter to provide energy, so the stability of a power su...[Details]
Direct digital frequency synthesis (DDS) has fast frequency switching and modulation capabilities and is widely used. However, when low power consumption and low cost are the main considerations, D...[Details]
With the popularity of digital appliances, rechargeable batteries can be seen everywhere in people's daily lives and have become one of the indispensable daily necessities.
This article gives ...[Details]
1 Introduction
Lijia'an Yellow River Diversion Culvert is a large gravity diversion gate in the lower reaches of the Yellow River. The Yellow River Diversion Culvert is located in Lijia'an Vi...[Details]
0 Introduction
PROFIBUS is an open digital communication system with a wide range of applications, which has been included in the international standards IEC 61158 and IEC 61784. Since the gen...[Details]
0 Introduction
Pneumatic
artificial muscle,
also known as pneumatic muscle actuator (PMA), began to be studied in the 1950s. In recent years, it has been widely studied and applied ...[Details]
AUTOSAR is a hierarchical architecture for automotive electronic embedded software jointly launched by global automotive OEMs and suppliers. The hierarchical architecture consists of a microcontrol...[Details]
The circuit has overcharge protection, over-discharge protection, over-current protection and short-circuit protection functions. Its working principle is analyzed as follows:
1 Normal state
...[Details]
1. Low temperature storage
Lithium-ion power batteries need to be fully charged before storage. They can be stored at 20°C for more than half a year, which shows that lithium-ion power batteri...[Details]
With the development of power electronics technology and high-performance permanent magnet materials, the application of brushless DC motors has achieved rapid development in the fields of aerospace, ...[Details]