1. Experimental tasks As shown in the figure below, the parallel port P1 of AT89S51 is connected to a 4×4 matrix keyboard, with P1.0-P1.3 as input lines and P1.4-P1.7 as output lines; the "0-F" sequen...
Many domestic companies are actively developing chips, such as Huawei and ZTE Micro in the early days, and Baidu and Cambrian in the current days. According to relevant statistics, between 2001 and 20...
[align=center][size=5]Open source robot dual motor sensorless FOC drive reference design based on STM32F303[/size][/align][align=center][size=5] [/size][/align][align=center][size=5]Figure and other i...
[size=4]Since the launch of the [pyboardCN V2] crowdfunding in February, after everyone's discussion, consultation, and confirmation, the board is finally out! Now we have launched the pyboardCN V2 fr...
[size=4]1. Display multiple widgets in the object in QMainWindow. [/size] [size=4]1. Display multiple widgets in the object in QMainWindow. [/size] [size=4] Everyone knows that the method of setCentra...