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MiniZed Hardware Design Can MInized drive stepper Motor driver ULN2003A?

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Can MInized drive stepper Motor driver ULN2003A?

koseiyokoyama over 1 year ago

Can Minized drive Stepper motor driver (one in ELGOO kit) ?

Motor driver uses TI ULN2003A IC to dirve stepper motor (28BY-J-48)

I wrote RTL to drive stepper motor driver from Minized GPIO,

but it does not seems GPIO drive stepper motor driver

thank for your help

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javagoza over 1 year ago +1

The first thing you need to check is if the signal on the GPIOs you are using is correct. At the logic level, you can use the ILA (Integrated Logic Analyzer) on the FPGA and observe from Vivado. If the…

0 javagoza over 1 year ago

The first thing you need to check is if the signal on the GPIOs you are using is correct. At the logic level, you can use the ILA (Integrated Logic Analyzer) on the FPGA and observe from Vivado. If the logic is correct, then check without connecting the ULN2003A if the voltage levels that the Minized gives you are sufficient for TTL, greater than 2V1.
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0 koseiyokoyama over 1 year ago

Thanks for your replys. I will be back to this project in couple of weeks
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0 koseiyokoyama over 1 year ago in reply to javagoza

Thanks, Javagoza,

I have done your suggestion and finally stepmotor is stepping!

again, thanks for your help!!
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0 javagoza over 1 year ago in reply to koseiyokoyama

I'm glad you solved it. Watching a stepper motor work with your own development is very rewarding.
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