Let me talk about the problem first... It's the problem in the matrix inversion scanning function... The source function is as follows... unsigned char KeyScan(void) //Keyboard scanning function, usin...
The efficiency curve of the BUCK buck board (36V, 48V, 60V to 12V 15A) using ON Semiconductor's (actually it has nothing to do with ON Semiconductor, other companies are also fine) UC3843 is measured....
I want to use the video surveillance client on a smartphone. Now I can implement functions such as video browsing and recording on the server and client side under ordinary WinForm (C#.Net); but when ...
[Attention] 25 most malicious virus websites, do not click to browse! Nowadays, there are too many malicious websites. If you are not careful, you will be infected. The editor has tried his best to co...
Question: As the title says: I use the IO port to simulate SPI to read and write the touch screen chip (xpt2046). The same read and write functions are used in keil and iar (the read and write timing ...