Subject:
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Re: Servos and Handyboard.
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Newsgroups:
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lugnet.robotics.handyboard
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Date:
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Sun, 2 Mar 1997 19:01:22 GMT
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Original-From:
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Fred G. Martin <fredm@media.mit.^spamcake^edu>
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Viewed:
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1522 times
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you can't power 2 servos from the hb's own +5v supply.
get a separate 5v supply (linear regulated, *noT* a switching supply,
OR batteries) and run your servo power from that. connect this
external supply ground to the HB motor ground (on J13).
-Fred
In your message you said:
> Hi Everyone.
>
> I'm doing a project on controlling servos using the handy board
> (actually, I'm building a camera rig with servo controls and interfacing this
> tho the www)
> My problem is this: when i try to control both servos at the same time,
> using the dual servoroutines, i get no real control. Only one of the
> servos starts up and starts 'hacking' at one position.
> I believe i could have done something wrong with the power supply, but i
> dont really know. Here is my configuration:
>
> -Mac 7500/100 with IC2.853
> -serial interface/battery charger with 12V powersupply
> -2 HITEC 300 servos, one connected to the servo port, and the other one
> to the 'TO3' port. for the latter one, i'm using power from connector #7
> (#9 is the other servo)
> -included the serov_a#.icb files in the .lis file on startup.
>
> Thank you for your time
>
> Yours Jon Kolbeinsen
>
>
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Message is in Reply To:
 | | Servos and Handyboard.
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| Hi Everyone. I'm doing a project on controlling servos using the handy board (actually, I'm building a camera rig with servo controls and interfacing this tho the www) My problem is this: when i try to control both servos at the same time, using the (...) (28 years ago, 2-Mar-97, to lugnet.robotics.handyboard)
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