[solved] AM 4.0.1 : Arduino UNO not running stepper motor

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altack
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Joined: Mon Nov 21, 2016 1:13 pm

[solved] AM 4.0.1 : Arduino UNO not running stepper motor

#1 Post by altack »

Hi,
After a rather long story (on this thread) there is a bug regarding how Arduino UNO is able to run stepper motors.
Under AM 3.7.1 no problem, when upgrading to AM 4.0 and 4.0.1 no way to use STEP or DIR commands and when reverting to 3.7.1 my rig is working again...
Hope it will help,
Francois
Last edited by altack on Sat Jun 12, 2021 1:34 pm, edited 1 time in total.

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Ralph
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Re: AM 4.0.1 : Arduino UNO not running stepper motor

#2 Post by Ralph »

Are you driving it directly or through a driver chip?

altack
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Re: AM 4.0.1 : Arduino UNO not running stepper motor

#3 Post by altack »

Through an EasyDriver chip

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Ralph
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Re: AM 4.0.1 : Arduino UNO not running stepper motor

#4 Post by Ralph »

VID6606?

altack
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Re: AM 4.0.1 : Arduino UNO not running stepper motor

#5 Post by altack »

VID6606 compatible, yes !
It worked like a charm under AM 3.7.1...

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Corjan
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Re: AM 4.0.1 : Arduino UNO not running stepper motor

#6 Post by Corjan »

Hi,


There where some problems with the Uno and AM 4.0.0.

Could you try flashing the Uno again with AM 4.0.1?


Corjan

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Ralph
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Re: AM 4.0.1 : Arduino UNO not running stepper motor

#7 Post by Ralph »

I think he already did. We'll have to try it in the office this week.

ChuckK
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Re: AM 4.0.1 : Arduino UNO not running stepper motor

#8 Post by ChuckK »

I also have this issue with a MEGA...using a Pololu driver it worked perfectly in 3.7.1. No longer works in 4.0. I can hear the coils lockup but no movement regardless of steps /rev or rpm settings.

Chuck

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Ralph
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Re: AM 4.0.1 : Arduino UNO not running stepper motor

#9 Post by Ralph »

There's a bug somewhere, the pins just float when using the VID66-06 implementation. We'll investigate next week.

altack
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Joined: Mon Nov 21, 2016 1:13 pm

Re: AM 4.0.1 : Arduino UNO not running stepper motor

#10 Post by altack »

Hi,

I uploaded the latest AM 4.0.2 release yesterday but there is no improvement on that matter.
Any update to come regarding the stepper motors ?
Regards,
Francois

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