Experimental goal: realize the timer function, and click the dot button to print out the current time.The classes used are QTimer and QTime. QTimer is a timer class, equivalent to a stopwatch, and QTi...
We have a chip that has worked fine for several years. Later, the manufacturer stopped supplying it, so we asked someone to get it. When we got it back, we found that it didn't work (we suspected that...
TWS (True Wireless Stereo) Bluetooth headsets are extremely popular audio products in recent years. With the help of Bluetooth chips, it first establishes a wireless connection between the mobile phon...
[size=4]The following is a summary of using MSP430: [/size] [size=4]1. System clock problem: [/size] [size=4] The system uses DCO by default. When using an external high-speed crystal oscillator XT2, ...
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