New Bioloid STEM (CM-530 & AX-12W)

Bioloid robot kit from Korean company Robotis; CM5 controller block, AX12 servos..
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6 postsPage 1 of 1

New Bioloid STEM (CM-530 & AX-12W)

Post by siempre.aprendiendo » Sat Dec 17, 2011 11:26 am

Post by siempre.aprendiendo
Sat Dec 17, 2011 11:26 am

It seems that Robotis is launching in Korea a new kit/box called Bioloid STEM (S Science, T Technology, E Engineering, M Mathematics) (support page)

(All the links are to Korean pages, but viewing the photos and automatic translations are enough to understand it :) )

Image

It includes new parts and new "versions" to some of our old friends:

A new AX-12W:

phpBB [media]


A new CM-530 (STM32F103RE 32bits ARM)

Image

And new IR array sensor
It seems that Robotis is launching in Korea a new kit/box called Bioloid STEM (S Science, T Technology, E Engineering, M Mathematics) (support page)

(All the links are to Korean pages, but viewing the photos and automatic translations are enough to understand it :) )

Image

It includes new parts and new "versions" to some of our old friends:

A new AX-12W:

phpBB [media]


A new CM-530 (STM32F103RE 32bits ARM)

Image

And new IR array sensor
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Post by wiweet » Sat Dec 17, 2011 10:12 pm

Post by wiweet
Sat Dec 17, 2011 10:12 pm

Such a speed, it seems that AX-12W is better for wheel mode than join mode, compared to AX-12A. But AX-12A is better for join mode, because AX-12W speed for join mode is slower. Correct me if I'm wrong.(just thinking how robotis could manage to differentiate the speed between wheel mode and join mode in one package?)

AX-12W>>>No load speed : 482rpm (at 12V, Wheel Mode), 54rpm (at 12V, Joint Mode)

AX-12A>>>No load speed : 59rpm (at 12V)


As for the CM530, I'm wondering about how fast it's clock frequency?any info about that?anyone have info about whether it will be available for international market?when?
Such a speed, it seems that AX-12W is better for wheel mode than join mode, compared to AX-12A. But AX-12A is better for join mode, because AX-12W speed for join mode is slower. Correct me if I'm wrong.(just thinking how robotis could manage to differentiate the speed between wheel mode and join mode in one package?)

AX-12W>>>No load speed : 482rpm (at 12V, Wheel Mode), 54rpm (at 12V, Joint Mode)

AX-12A>>>No load speed : 59rpm (at 12V)


As for the CM530, I'm wondering about how fast it's clock frequency?any info about that?anyone have info about whether it will be available for international market?when?
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Post by Gort » Mon Dec 19, 2011 1:03 am

Post by Gort
Mon Dec 19, 2011 1:03 am

Cool kit, I hope it is sold in the US! :lol:
Cool kit, I hope it is sold in the US! :lol:
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Post by i-Bot » Mon Dec 19, 2011 12:10 pm

Post by i-Bot
Mon Dec 19, 2011 12:10 pm

There is some more programming information about the CM-530 here:
http://support.robotis.com/ko/software/ ... /cm530.htm

and here:
http://support.robotis.com/ko/software/ ... ng_stm.htm

Seems a shame they did not incorporate gyro and accelerometer, it would have added less than $5 to the component cost, and made a much more valuable controller.
There is some more programming information about the CM-530 here:
http://support.robotis.com/ko/software/ ... /cm530.htm

and here:
http://support.robotis.com/ko/software/ ... ng_stm.htm

Seems a shame they did not incorporate gyro and accelerometer, it would have added less than $5 to the component cost, and made a much more valuable controller.
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What so special about the AX-12W?

Post by petercohen » Wed Feb 01, 2012 12:41 pm

Post by petercohen
Wed Feb 01, 2012 12:41 pm

Compared with the AX-18A and the 12A, what so special about the new motor? Is the encoder an optical one? According to the support site, the torque of the new AX-12W is 0.2Nm (2kgfcm). It seems to be way too small compared with the others. Is there a typo?

http://support.robotis.com/en/product/d ... ax-12w.htm
Compared with the AX-18A and the 12A, what so special about the new motor? Is the encoder an optical one? According to the support site, the torque of the new AX-12W is 0.2Nm (2kgfcm). It seems to be way too small compared with the others. Is there a typo?

http://support.robotis.com/en/product/d ... ax-12w.htm
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Post by i-Bot » Wed Feb 01, 2012 3:30 pm

Post by i-Bot
Wed Feb 01, 2012 3:30 pm

The AX-12W appears to be just the same as the AX-12, but with different gearing. Thus in wheel mode it can achieve 470 rpm, 8 times faster than AX-12, but 8 times less torque.
The AX-12W appears to be just the same as the AX-12, but with different gearing. Thus in wheel mode it can achieve 470 rpm, 8 times faster than AX-12, but 8 times less torque.
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