The GPIO output is connected to ULN2803, and the UL2803 output is connected to the relay and the LED driver. Now the problem is that the LED cannot be turned off. The circuit is as follows. Please tak...
stm32f103 failed to download using STM-ISP. I tried all kinds of baud rates, but it always failed halfway through downloading. Please help me, it's urgent!...
[b]Long, long ago, before computers appeared, there were already prehistoric serial port devices (teletypewriters, industrial control measurement equipment, communication modems). In order to connect ...
I can't find a component library that includes an SD card holder, so I have to draw it myself. How do I draw it? It would be even better if someone could provide a component library that includes an S...
Due to the limitation of internal resources, the software design of MCU has its own particularity. The program generally does not have complex algorithms and data structures, and the amount of code is...
Does any brother have an algorithm for reducing bmp or jpeg images? Please send me a source code to help me. It would be best if it is written entirely in C. The reduction is in size, such as reducing...
Designing for automotive LCD displays larger than 5" can be complex. The display source driver requires a supply rail called analog voltage device drain (AVDD) in the 10V to 15V range and two supply ...[Details]
In order to strengthen the management of new energy vehicle charging facilities in our city, prevent and reduce accidents, protect the lives and property of the people, and improve the public safet...[Details]
In the war without gunpowder between China and the United States,
ZTE
has become a new victim. The seven-year chip ban by the United States has pushed this communications giant to a life-or...[Details]
In the
AI
boom, the most talked about is
neural network
. However,
AI
is much more than that. Let's learn about the relevant content with the network communication editor.
...[Details]
On April 24, Sungrow released its annual financial report. The report shows that in 2017, Sungrow's global shipments reached 16.5GW, of which domestic shipments reached 13.2GW, a year-on-year incre...[Details]
China Energy Storage Network:
Blockchain + finance, blockchain + environmental protection, blockchain + insurance, even a roadside fried chicken shop is using the banner of blockchain + fried...[Details]
After studying the F4 FSMC method to drive the touch screen for a few days, I have gained some understanding, which are listed below. The unorganized record is only for my own reference in the future...[Details]
In the development of artificial intelligence, talent reserve is undoubtedly an important part. Artificial intelligence should be a bottom-level technology that can be deeply embedded in any indust...[Details]
Since the second half of 2017,
the market share of
quantum dot
displays has dropped significantly, with global sales falling from 3.42 million in 2016 to 2 million in 2017, a 42% decrease; d...[Details]
China Energy Storage Network News:
The State Grid Corporation of China, this elephant, is planning to turn around and enter the emerging power service market.
The rallying cry for the tr...[Details]
This program mainly uses the comparison output function of the timer to generate PWM waves to control the LED. The comparison output of timer A corresponds to P2.3 P2.4. Therefore, a matching working...[Details]
This routine is also a classic routine on the development board. I modified the framework of the program to make it more suitable for future calls. The specific 4*4 keyboard scanning principle is rel...[Details]
1. Brief description A summary of "How to build uClinux kernel transplantation on ARMSYS development board with S3C44B0X as core", including the analysis of Bootloader function and the key co...[Details]
This paper proposes a design scheme for an embedded CNC system based on ARM and FPGA. The software and hardware design of the ARM system, the implementation method of hardware fine interpolation ...[Details]
The ARM11 (S3C6410) processor is selected as the hardware platform, the embedded Linux operating system is used as the software platform, the background difference method and the frame difference...[Details]