Today I encountered a 485 communication problem. I remember that the RS485 master and slave connections are A to A, B to B, but today I encountered that this connection does not work. It needs A to B,
Smart cards can be divided into three categories according to their security level: memory cards, logic encryption cards and CPU cards, among which CPU cards have the highest security level. As can be
Looking back at this point, the entire DSP program framework is already very clear, and you will not be so confused about which files are needed and which are not needed in the engineering project.
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