I built a project using KEIL, and added the files included in the Qingke project to the project one by one. However, the compilation failed, and the prompt was: Error: L6218E: Undefined symbol I2C_Rea...
1. The board has been finished before, so the program is definitely not a problem.
2. The initial test phenomenon is that the 4k stepldr.bn0 file of wince is burned into the first block, and there is ...
After successfully establishing the gprs connection to the gprs master station, I turned on the gprs service. Why did I get an error when I sent at^siso=1? What could have caused the error? Thank you....
My C51 version is 8.12. Now there is a problem. The following program [code] ACC=Data; for(i=8;i;i--) { ACC>=1; SDA=CY; SCL=1; _nop_(); SCL=0; } [/code] Generated code As follows [code] 640: ACC=Data;...
I am working on PN code tracking recently. I have read some papers. In addition to using shift registers to generate PN codes, there is another solution that uses ROM to directly store the calculated ...
A half-fixed ore. Unscrew the plug and see the tinfoil ball. Pick out the tinfoil and find the ore. You can DIY movable ore. Haha! By the way, is the diode in Figure 1 also a fixed ore?...
1. Introduction
This design was made for participating in an electronic design competition. It effectively solved the problem of the operation and control of an electric car on a seesaw. The s...[Details]
With the advent of increasingly powerful processors, image sensors, memory, and other semiconductor devices, as well as the algorithms that enable them, computer vision can be implemented in a wide...[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]
Capacitors
are basic components in various electronic devices and are widely used for bypassing, coupling,
filtering
, tuning, etc. in electronic circuits. However, to use capacitors,...[Details]
As people's requirements for safety and comfort in the process of driving cars continue to increase, automotive radars are widely used in the car's adaptive cruise system, collision avoidance syste...[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]
Abstract: With the development and construction of BeiDou II system, China will shift from the situation dominated by GPS to the situation dominated by BeiDou II global navigation system independen...[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 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]
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]
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]
introduction
In the late 1990s, due to the great safety issues of liquid cobalt lithium-ion batteries, people studied and developed polymer lithium-ion batteries. In addition to the performanc...[Details]
1. Why do we need to do electromagnetic compatibility design for products?
Answer: To meet product functional requirements, reduce debugging time
,
make products meet the requirements o...[Details]
RF/Wirelessly
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