Universal stepping motor driving device
A stepping motor, a general-purpose technology, applied in the direction of motor generator control, electrical components, control systems, etc., can solve the problem of single function, unable to find the absolute position, do not have multi-channel drive and communication functions with the host computer, etc. problem, to achieve the effect of flexible and convenient use and simple circuit implementation
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[0017] In order to make the purpose, content, and advantages of the present invention clearer, the specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.
[0018] The technical solution of the present invention is: by using single chip microcomputer (preferably TM4C123A), driver chip (preferably DRV8885), photoelectric switch (preferably HOA1872) and host computer to form universal stepper motor driving device.
[0019] Circuit principle scheme such as figure 1 shown.
[0020] (1) Microcontroller
[0021] The single-chip microcomputer is the core device of the stepping motor driving device, and the completed functions include: a) Outputting 3-way stepping motor driving signals. b) Receive 3 photoelectric switch signals to realize zero-seeking function. c) Communicate with the host computer through the serial port, so as to realize the control of the stepping motor by t...
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