When you need to identify the characteristics of an unknown stepper motor, we have the following suggestions, which can help you quickly and accurately identify the stepper motor. Most of the common s
First, take a look at the GPIO block diagram:By looking at the GPIO block diagram, we can get a lot of information:
The DIR register controls whether the GPIO pin is input or output, where the corresp
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There is already a thread about serial port evaluation: https://en.eeworld.com/bbs/thread-1146793-1-1.html But the author should have used an independent USB-to-serial port module, and only tested "th