Subject:
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Re: Problems with servo function
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Newsgroups:
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lugnet.robotics.handyboard
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Date:
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Wed, 3 Feb 1999 23:36:12 GMT
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Original-From:
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Will Bain <{willbain@cs.}nomorespam{umt.edu}>
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Viewed:
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1091 times
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> Robert J. Kelly wrote:
> So I got an HB from Pat Hui, and it seems to work fine. I've been able
> to write a program that will vary a beep tone and print variable
> values for light intensity and tone value (my first program!). It uses
> for now, eight duracels in the supplied battery case.
>
> My problem seems to be the servo function. I've wired a Futaba 148 as
> per instructions and loaded servo.icb and servo.c. there are no other
> programs loaded. I am running IC ver 3.2, though the screen still
> prints ver 3.1(?). I have initialized the servo function by typing
> "servo_on()" at the IC prompt. I can't seem to get any activity
> through the servo using interactive commands such as "servo(1550)" or
> "servo_deg(45.0)", agin, at the IC prompt. When I run these commands,
> I do get a value returned occasionally from the board though with no
> servo activity. More likely I get an error message - "Board not
> responding to 119 (w) command".
If you're trying to use the servo.c and servo.icb that came with the
Interactive C distribution, therein lies your problem. I think those
routines are designed strictly for the MIT 6.270 controller board, not
for the HB (if I'm wrong about this, somebody please correct me). For
instructions on how to run one or two servos from the HB, check out the
HB web site. I tried it with my HB from Mr. Hui, and it worked great.
Make sure you provide the correct voltage to the servos since the HB
voltage might fry 'em ;-]
-- Will
, ,
__@_/ \_@__ |/
| /__, o @_/
)\ ) ( \ (\/\\,
~~~~~~~~~ ' ` ~~~~~~~~~~~ ` ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Wendy Parson, The fellow who agrees with everything you say
Will Bain, is either a fool or he is getting ready
& Tatoosh to skin you. --Kin Hubbard
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Message is in Reply To:
 | | Problems with servo function
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| Hi all, I'm new to the list, handyboards, IC, and robotics, but I'm not totally clueless so bear with me... So I got an HB from Pat Hui, and it seems to work fine. I've been able to write a program that will vary a beep tone and print variable (...) (26 years ago, 3-Feb-99, to lugnet.robotics.handyboard)
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