[i=s]This post was last edited by jameswangsynnex on 2015-3-3 20:02[/i] When I plugged in my computer this afternoon, it still had 4G. I sent a file to it and it became 1.4MB. What happened? All the c...
Below is the circuit diagram of the power supply part of the board.The function of the board is that the 300V DC motor rotates through PWM controlled by the microcontroller.The problem now is that aft...
Let's not talk about theory first, let's take an example: A LCD driver Lcd.c file has functions WriteChar(char n), WriteString(char *str); to facilitate the search of functions, it is usually necessar...
[i=s]This post was last edited by jameswangsynnex on 2015-3-3 20:03[/i]
SmartMX2 platform provides smart card-grade high performance, security and flash memory, which will change the traditional SIM a...
[size=3] The power supply circuit is an important part of an electronic product. The quality of the power supply circuit design directly affects the performance of the product. The power supply circui...
This function is used when eboot loads NK: [code] #define IMAGE_WINCE_CODE_PA 0x80001000 #define IMAGE_WINCE_CODE_SIZE 0x04000000 pData = OALPAtoCA(IMAGE_WINCE_CODE_PA); [/code] OALPAtoCA is described...
When the WDP500-2A plane grating monochromator is used to test the emission wavelength of a high-power laser diode at different currents, the matching of the laser diode has the disadvantages of lo...[Details]
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]
The automotive lighting and signal control system is responsible for controlling the vehicle's lighting, signal lights, electric horns, reversing and brake buzzers. Traditional automotive lighting...[Details]
0 Introduction
With the rise and continuous improvement of the solid-state lighting industry, light-emitting diodes (LEDs) have become an alternative lighting technology and are gr...[Details]
With the rapid development of intelligent control technology, computers and information technology, the trend of information appliances IA (Information Application), computers and communications integ...[Details]
The typical fault troubleshooting listed below is for reference of maintenance personnel.
When the computer is turned on, the indicator light is off and there is no screen display
Mainte...[Details]
With the advocacy and implementation of the government's Safe City Plan, the security market has increasingly higher requirements for the clarity of surveillance images. Imagine that after a case o...[Details]
12v Lead Acid batteries used in trucks, cars, RVs and uninterruptible power supplies are usually rated at 12V. This circuit monitors the battery, the charge and discharge curves, gives the cu...[Details]
Among the many members of the single-chip microcomputer family, the MCS-51 series of single-chip microcomputers has occupied the main market of industrial measurement and control and automation eng...[Details]
From the previous section, we have learned that the timer/counter in the microcontroller can have multiple uses, so how can I make them work for the purpose I need? This requires setting the timer/...[Details]
Capacitance Measurement
Used to verify that capacitors meet the manufacturer's specifications. For quality control, a group of capacitors may be placed in an environmental chamber and the cap...[Details]
Introduction
Automakers are working to reduce vehicle weight to reduce CO2 emissions and improve fuel efficiency. Designers are therefore seeking new technologies and design techniques that can...[Details]
The rectified DC voltage is then converted back to AC using power electronics such as insulated gate bipolar transistors.
The output voltage is switched on and off at a high frequency, control...[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]
introduction
Steam turbines are driven by high-temperature and high-pressure steam generated by boilers to run at high speed. They are key power equipment in thermal power plants. The emergenc...[Details]
Mobile and portable
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