[i=s]This post was last edited by flashtt on 2015-6-12 19:51[/i] I use 51 MCU to drive stepper motor through ULN2803. The stepper motor only vibrates. When I apply force with my hand, it will rotate.
Our company is engaged in chips, and I am a newcomer. I am not very familiar with these chips. I want to learn, but I don't know where to start. Please recommend some good books for me to learn, prefe
I have a USB printer. There is only one "XX Inc. Color Printer." under "Universal Serial Bus Controllers". This device is not found under other nodes. What kind of USB device does this device belong t