[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...
When the AT91SAM7S256 serial port receives instructions to send multiple frames of data, the last frame always loses two bytes of data! It is sent normally without serial port instructions, and no dat...
AbstractAcceleration, deceleration and stop functions are realized by pressing buttons, speed is measured by interruption, and software delay is used to eliminate jitter. For the specific implementati...
[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...
The following is a case study of Solution 2; Case (special case): During the design process, the following situation occurred: A. There is no power plane on the whole board, only GND and PGND oc...
The smart home system has been developed for so many years, but its positioning is still relatively high. Ordinary families still have a long way to go before they can move in this direction. . . . . ...