Any Eta On Stepper Motor Control?

Question

DJ, I have an upcoming project using stepper motors and was wondering if you are implementing steppers into EZB? If so is it ready for prime time yet or anytime soon? Thanks in advance. Will

DJ Sures · Answer

What stepper driver would you want to use?

fxrtst · Answer

Maybe the Big Easy Driver from spark fun. I am open to suggestions of any other board. Will

jstarne1 · Answer

:: listens contently as steppers are a strong/heavy duty alternative to rc servos ::

DJ Sures · Answer

Let's all vote on the best and affordable controller. That way I can use it and make it available for everyone

jstarne1 · Answer

That's excellent , just post candidate controllers as links here and we can all look at them great love it

fxrtst · Answer

Yup sounds great!

jstarne1 · Answer

Check out these two fxartst https://robokitsworld.com/index.php?main_page=product_info&cPath=73&products_id=15 https://www.pololu.com/catalog/product/1183 First is 5amp , second is 2amp but popular

PhG · Answer

Hi All,

I vote for the heavier stuff of course. After all, 2 amps is rather small. Please let it be this one :

https://robokitsworld.com/index.php?main_page=product_info&cPath=73&products_id=15

Please hurry DJ, I can hardly wait...

Best regards to all,

PhG

jstarne1 · Answer

Ok so your vote is the 5 amp stepper driver , I would like that too

fxrtst · Answer

I agree. The more amps the bigger the robot! But I can still use a 2 amp controller.

ndavid79 · Answer

The Robokitsworld one is just an H-Bridge, meaning 4 wires to the EZ-B, the EZ-B has to preform all the sequencing, & most important with this, you'll have to run the stepper motor at it's rated voltage, usually 3V, to keep from over amping them. The Big Easy Stepper from Sparkfun and the A4988 Stepper Motor Driver Carrier from Pololu are real stepper controllers... Meaning they use industry standard step/direction 2 wire control, they have micro stepping if desired, but most importantly, they have current limiting. Current limiting lets you set how much current the motor coils get independent of voltage. Stepper motors are routinely run 10-20x their rated voltage via this method because it allows the motor to change position faster.

winstn60 · Answer

The Pololu A4988 slightly edges it for me looks simpler and cheaper also availbale in the UK

jstarne1 · Answer

Polulu does seem to be popular

ndavid79 · Answer

The Pololu A4988 breakout is a great starting point. An EZ-B control for the Pololu A4988 will also work on a multitude of others, including Sparkfun's offerings, plus see TB6560 & 2M542 based controllers on eBay (stepper motor controllers/drivers for CNC routers).

fxrtst

Any Eta On Stepper Motor Control?

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