I am making an ultrasonic obstacle avoidance car, and the microcontroller I use is Freescale's HCS12. What I want to achieve now is to install a set of ultrasonic ranging modules (HC-SR04) on both sid...
Electronic tags that comply with the ISO15693 protocol have an 8-byte 64-bit global unique serial number (UID). This UID can distinguish tags worldwide, and more importantly, it can be used to prevent...
ERROR L104: MULTIPLE PUBLIC DEFINITIONS SYMBOL: ASC_8 MODULE: .\HEX\LCD.obj (LCD) The above is the result after I compiled the program with keil. Literally, it should be redefined, so I removed the de...
;...The following code writes OptionBytes and causes STVD and STVP to be unable to operate the device (locked)ld a,#$56ld $5062,ald a,#$aeld $5062,a;Unlock Program Memoryld a,#$aeld $5064,ald a,#$56ld...
Please leave your email address and I will send it to you. Or if anyone can help me export it, please send it to me; [email]zhangyibing1986090@163.com[/email] Thank you all!...
The Mobile Industry Processor Interface (MIPI) Alliance is an organization responsible for promoting the standardization of software and hardware in mobile devices. It has released the D-PHY specif...[Details]
When choosing a laptop battery, you should consider several factors, such as power, appearance, and quality.
Regarding power, we often see that a manufacturer uses values such as the number ...[Details]
In recent years, lighting has become an important area that countries around the world are targeting to promote energy conservation and environmental protection. According to statistics, about 20% ...[Details]
1 Introduction
Ultrasonic waves have strong directivity, slow energy consumption, and can propagate over long distances in a medium, so they are used for distance measurement. Ultrasonic detec...[Details]
Product series: PB-B-RS232/485 interface (hereinafter sometimes referred to as "interface") is a product in the PROFIBUS bus bridge series.
The main purpose of the bridge series ...[Details]
1 Introduction
In recent years, there have been many major advances in the production technology and processes of automotive headlights, which have greatly improved the performance of automoti...[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]
Smart lighting control systems provide high controllability for various buildings and further enhance the level of green energy. They are the core products of energy conservation and digital techn...[Details]
With the continuous consumption of earth's energy and the scarcity of resources, the harm of greenhouse effect to human beings, and the serious pollution of the atmosphere to the earth, the intern...[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]
The traditional display screen using 51 single-chip microcomputer to control LED dot matrix has relatively simple functions. If it is to achieve diversified functions, it often takes a lot of time ...[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]
Different initialization between C8051F and 80C51 series microcontrollers
In the past 30 years, major electronic component manufacturers in the world have launched their own unique single-chip...[Details]
FPGAs are used in 81% of electronic systems, including many commercial and defense products, and most FPGAs use BGA packaging. The BGA packaging is characterized by small solder balls and small sol...[Details]
Analog electronics
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