I downloaded the PowerPC trial CD (DVD-R138214.1-1-00) from Windriver, used the trial license of Windriver and the unlimited license of the VxWorks6.6 evaluation version, and could not choose to insta...
I made a matrix keyboard, with P00~P04 of the microcontroller as column line outputs and p20~P24 as row line inputs. If the scan order is from p00~p04 columns, the value of the p00 column may be the s...
Urgently need the recommendation of analog differential amplifier chip: 1. Input and output impedance is about 50 ohms 2. Analog amplifier bandwidth 0--100MHZ 3. Single-ended power supply 4. Different...
:Intelligent modules and their distributed systems (SDS) have been successfully applied in drive control, sequential control and process control systems. A detailed analysis of the application of inte...
The company now has a project that requires the use of thyristors to control traffic lights. I have never used thyristors before, so I have a few questions for my seniors. 1. After the thyristor is tu...
Using the REAL6410 core board, the program has been running normally for several days, but suddenly it is found that it does not work. When starting, the following appears: SMDK6410 # cannot run '/etc...
I. Introduction
In the field of power conversion, isolated converters (forward, flyback, and double-ended) with low output DC voltage all use MOSFET as the rectifier device. Since these devi...[Details]
Printed circuit boards ( PCBs
)
are used in most electrical products
. If a PCB has low
insulation resistance
(IR), the performance of the circuits on the PCB will be greatly reduced...[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 serial interface real-time clock chip DS1302 launched by Dallas Company in the United States can trickle charge the backup battery of the clock chip. Due to the main features of the chip such a...[Details]
With the rapid development of cities and the improvement of citizens' living standards, the number of various vehicles in cities is growing, and the demand for parking spaces in major commercial an...[Details]
Electric bicycles have long been a means of transportation for lower-income groups due to their affordability. The largest concentrated expense in the use of electric vehicles is the cost of replac...[Details]
The future energy storage hotspot is not coal or iron ore, but lithium. This lightest metal in nature may be the heaviest resource in the future energy landscape. China launched an ambitious electr...[Details]
At present, with the diversification of portable products and the almost harsh requirements for audio and video parts, the power consumption requirements of the whole machine have been raised to a ...[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]
It should be understood as follows: DC-DC means direct current to direct current (conversion of different DC power values). Anything that meets this definition can be called a DC-DC converter, incl...[Details]
Current
measurement:
Magnetic balance Hall current
sensor
is used
. The sensor can measure AC from DC to 100kHz.
In automatic measurement and control systems, it is often nec...[Details]
1. Introduction
With the rapid development of computer technology, communication technology, and integrated circuit technology, the large-scale application of field control instruments and equ...[Details]
1. Introduction
Stepper motor is a basic component that converts electrical energy into kinetic energy. It has been widely used in a variety of electromechanical equipment, such as various machine...[Details]
0 Introduction
With the development of virtual instrument technology, new measurement and control methods that use "virtual instruments" to replace traditional instruments are replacing trad...[Details]
In the development direction of the automotive industry, electric vehicles (EV) and hybrid electric vehicles (HEV) are becoming an obvious trend. From a technical point of view, hybrid power is mor...[Details]