[font=微软雅黑][size=4]This is also the first time I use NXP chips, and I have just started to configure GPIO. I can feel that compared with ST, NXP's GPIO design is more complicated, but the configuratio
The compilation is passed normally, but the result is displayed as error-initialize database. The error is in the creation of a COM instance. The function is CoCreateInstance(CLSID_SQLSERVERCE_3_0, 0,
Now there are three 485 devices. The slave device has matching resistors that pull up and down 4.7K terminal resistors 120R. The distance is no more than 1 meter. The master device pulls up and down t