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Shut off power to Servos?

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Shut off power to Servos?

Posted by Aaron Tunell at November 29. 2007
Is there any way to shut off the servos individually via osc or are they always powered? I would have thought that /active 0 should shut the voltage off, but it doesn't. Is this possible?

Re: Shut off power to Servos?

Posted by Patrick Shapland at June 12. 2008

I seeĀ from this postĀ that Aaron went from asking questions to answering them. GO AARON!

I received my MC today and hooked it up to a simple two-servo chassis I built a couple days ago (while I was waiting for the brain to show up in the mail). You can see my ghetto setup at http://www.gcits.com/Articles/art-robotics01.html, if you are interested. Sensors to follow (baby steps, man, baby steps).

I have not yet gotten to the point where I am trying to write code for this beastie, still trying to figure out the commands in MCHelper (you know, if anyone has a list of these, I'd sure like to have it).

I can make my servos go, but I, too, cannot make them stop.

Thanks in advance!

Uno

Re: Shut off power to Servos?

Posted by Liam Staskawicz at June 12. 2008
Yeah - definitely big props to Aaron (and others, more recently) for helping answer questions on the forum! The best place to check the list of OSC commands is http://www.makingthings.com/ref/firmware/html/group___o_s_c.html, as mentioned in the OSC tutorial and various other places. If there's a more helpful place to link to it, please let me know. In general, if documentation is difficult to understand please let us know so we can make it better! Servos not stopping may be a bug. I'm just getting back into some work on the firmware, so I'll be able to have a look in the next little bit. In the meantime, it might be worth posting a ticket for that issue if one doesn't already exist - http://dev.makingthings.com

Re: Shut off power to Servos?

Posted by Aaron Tunell at June 13. 2008

well thanks...

hey, i don't know if this is a bug, but you could use a workaround...

If you connect one of your digital outs to the external servo input, you may be able to turn the power to the servos off (by switching the digital out off). This would obviously not be the awesomest way to do it, but it may be a plausable solution

give er a shot...

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