Required peripherals: SPI interface LCD displayThe hardware connection of the development board is as follows:The PC is connected to the development board serial port via the serial port, and the deve
[font=宋体][size=4] Well, the OP does use ST's hal library in the project. There is no way to make the new model yourself, so you can only use it. Regardless of whether it is bad or not, under the premi
The signal source is an analog signal with a frequency of 0.1-40Hz. Since there is a DC bias and other noise in the signal source, a high-pass filter is needed to filter out the DC component, while a