1. Experimental Task As shown in the figure above, two common cathode digital tubes are connected to the P0 and P2 ports of the AT89S51 microcontroller respectively. The P0 port drives the tens digi
[i=s]This post was last edited by Li Baiyi on 2021-12-22 21:11[/i]1 Test baud rate
AT
2 Turn off echo
ATE0
3 Check whether the SIM card is normal. If it returns to normal, go to the next step
AT+ECICC
Create a rotating LED using the classic 555. When the switch is pressed, the LED rotates very fast. After the switch is released, the rotation gradually slows down and eventually stops.From: http://ww
Finally I made up my mind to download MDK530, and finally solved the problem that the PACK package could not be installed.I tried installing 5.1 MDK on two computers but failed.
This just gave me a re
I guess when you see Xiangshan, you probably think of Xiangshan in Beijing. It is so Chinese.Regarding the birth of "Xiangshan", Bao Yungang, a researcher at the Chinese Academy of Sciences, said:
"Dr