Subject:
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Re: 6 servos
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Newsgroups:
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lugnet.robotics.handyboard
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Date:
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Wed, 22 May 1996 15:30:09 GMT
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Original-From:
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MAR ERICSON <mar@#StopSpam#cooper.edu>
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Viewed:
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1000 times
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> The boards take serial input (2400 or 9600 baud). It is
> straightforward to write a 6811 assembly routine to output such serial
> signals on an arbitrary digital output.
Are the digital outputs at 5v high? I think you mentioned on the HB homepage about the serial interface converting RS232 levels at +12 and -12v to TTL levels (5v). I'm not that familiar with the nitty gritty of RS232 so this kinda puzzles me.
>
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Message has 1 Reply:
 | | Re: 6 servos
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| (...) There are two types of serial voltages: TTL level and RS-232 level. The HB's serial interface board converts from TTL to RS-232 for communicating with the host computer. The Scott Edwards board accepts TTL levels, so an HB pin can drive it (...) (28 years ago, 22-May-96, to lugnet.robotics.handyboard)
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Message is in Reply To:
| | Re: 6 servos
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| This multiple servos thing is reaching FAQ status, and here is how I plan to deal with it. Scott Edwards Electronics sells a cheap ($30 kit, $45 assembled) servo board that drives 8 servos. You can gang them to get 32 servos or even more. The boards (...) (28 years ago, 22-May-96, to lugnet.robotics.handyboard)
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