Subject:
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Re: servo help
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Newsgroups:
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lugnet.robotics.handyboard
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Date:
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Wed, 6 Jan 1999 13:33:26 GMT
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Original-From:
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Fred G. Martin <fredm@media.mit.eduSTOPSPAMMERS>
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Viewed:
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853 times
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try running the servo off of a separate power supply; e.g., 4 AA
cells. you'd connect the servo red wire to the battery + lead, the servo
black wire to the battery - lead, and also connect the battery - lead
to the HB motor ground.
in general it is a bad idea to power a servo off of the HB's regulated
+5v supply.
fred
In your message you said:
> I could really use some help connecting a Futaba 3101 microservo. I
> bought the micro servo to reduce the weight instead of the standard S148
> servo. Anyway, I connected the red line to the HB +5V supply on the SPI
> expansion header. The black wire to the -Batt connection on the power
> expansion header and the white control to digital input 9 on the top row. I
> loaded the file servo_a7.icb onto the board. However the servo keeps using
> it's full travel and then binding at the end causing too much current to be
> drawn and resetting the board (I am running the board off a 9V battery to
> save weight.) I tried changed the servo_a7_pulse constant to many different
> values but could not find the correct range. Has anyone connected this
> servo to the HB before or know what I am doing wrong? Thanks
>
> Bill Denzel
>
> Senior Mechatronics Student
> California Polytechnic State University
> San Luis Obispo
>
>
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Message is in Reply To:
 | | servo help
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| I could really use some help connecting a Futaba 3101 microservo. I bought the micro servo to reduce the weight instead of the standard S148 servo. Anyway, I connected the red line to the HB +5V supply on the SPI expansion header. The black wire to (...) (26 years ago, 5-Jan-99, to lugnet.robotics.handyboard)
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