The first time I made a board for audio acquisition, JTAG connection failed! ! TCK output 500KHz. Several possible errors have been ruled out: 1. Reset. Reset for 200ms and then pull up through CPLD. ...
There are two flash devices in the WINCE display device: Nandflash, Nandflash2, and the two FLASH folders point to the same flash. I checked the registry and found a FLASH item. What setting is wrong ...
The code is as follows. I want to save the data obtained by serial port 2 (11 data in a packet) into the Re_buf array. . . . I have been struggling for a long time. . . . Please help me: Sad:: Sad:: S...
This article introduces 10 rules for PCB component layout.
1. Follow the layout principle of "big first, small later, difficult first, easy later", that is, important unit circuits and core components...
[b][color=#666666][font=Helvetica, Tahoma, Arial, sans-serif][size=12px]Constant current source and its application circuit, introduces common constant current source circuit and its application as ac...
Question 1: What is RFID? RFID is the abbreviation of Radio Frequency Identification, commonly known as electronic tags. Question 2: What is RFID technology? RFID radio frequency identification is...
As LEDs continue to improve in almost every aspect of performance and cost, LED lighting is being used in an increasingly wide range of applications, among which LED street lights are a focus of in...[Details]
Introduction
Power subsystems are becoming more and more integrated into the overall system. Power systems have moved from being separate "essential dangerous devices" to being monitorable...[Details]
The data collector of the automatic weather station is generally designed based on a single-chip microcomputer or a PC/104 bus controller. It has the characteristics of good compatibility with PC, low...[Details]
1. Disadvantages of choosing too high a voltage level
Choosing too high a voltage level will result in too high an investment and a long payback period. As the voltage level increases, the...[Details]
Motors are important products that convert electrical energy into mechanical energy to achieve automation, and they are widely used in industrial control, medical electronics, white a...[Details]
According to the Industrial Technology Research Institute of Taiwan, due to factors such as the oil crisis and global warming, the issues of energy conservation and environmental protection have at...[Details]
D5026A is a driver IC designed by Shanghai Debei Electronics for energy-saving LED display screens. Its design concept is energy-saving and compatible with existing solutions, that is, it can be ...[Details]
The above is to use MB1404 as a stereo composite signal transmitter. You can use the internal high-frequency amplifier and oscillator or not! According to my experience, I still recommend beginners...[Details]
A few days ago, I bought an 8LED flashlight in the market (the flashlight uses No. 5 batteries). Because I had other things to do, I didn't pay attention when purchasing it. When I got home and use...[Details]
Cars equipped with xenon headlights are already common on the road. Whether they are standard equipment on high-end cars or embellishments on modified cars, xenon lamps are gradually becoming a sym...[Details]
The power consumption of a switching power supply includes fixed losses caused by parasitic resistances such as semiconductor switches, magnetic components, and wiring, as well as switching losses ...[Details]
introduction
Sudan's Muglad Oilfield is a large oilfield jointly invested, developed and constructed by a four-party consortium of China, Malaysia, Canada and Sudan. It consists of 8 satellite...[Details]
The biggest advantage of Profibus is that it is guaranteed by the stable international standard EN50170 and has been proven to be universal in practical applications. It has been widely used in man...[Details]
The programmable controller directly controls the stepper motor, which can significantly reduce the cost of the control system of the modular machine tool automatic production line. The article int...[Details]
The rotor of the brushless DC motor used in electric bicycles is composed of 30 to 40 pieces of NdFeB magnets. Since the surface magnetic field strength of NdFeB magnets exceeds 500mT, the position se...[Details]
DSP and ARM Processors
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