Subject:
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Re: RCX port information
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Newsgroups:
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lugnet.robotics
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Date:
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Thu, 17 Dec 1998 08:31:20 GMT
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Viewed:
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1110 times
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On Sat, 12 Dec 1998 11:50:20 GMT, lego-robotics@crynwr.com (Markus L.
Noga) wrote:
> Hi Scott,
>
> there is lots of technical info available. The H8/3297 series hardware
> manual is probably what you're looking for:
>
> http://www.halsp.hitachi.com/tech_prod/h_micon/3_h8300/3_h8_300/h33th014d2/html/h3314frm.htm
>
> A pdf version is available on the same site.
>
> More specifically, the microcontroller has 8 A/D input pins. Right now,
> four of them are used - Sensor 1 through 3 and battery voltage. These
> are A/D channels 0-3 in group 0, so they take pins AD0..AD3. However,
> the A/D input pins double as Port 7 digital input pins. Pin 6,7 are
> connected to the program and view buttons, respectively. This leaves
> candidates AD4/5.
Whoa... so you mean, I can just like, take apart a 9V lead, solder
them to those pins, and have 2 extra sensor inputs? or is there extra
'lectronics involved?
Jasper
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Message has 1 Reply:
 | | Re: RCX port information
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| (...) Nobody tried so far. The above is merely speculation - that's why I said "candidates". Should the pins turn out to be unused, legOS will support 6 A/D channels with minor changes. I have some software to work on right now, and I have a student (...) (25 years ago, 17-Dec-98, to lugnet.robotics)
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Message is in Reply To:
| | Re: RCX port information
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| Hi Scott, there is lots of technical info available. The H8/3297 series hardware manual is probably what you're looking for: (URL) pdf version is available on the same site. More specifically, the microcontroller has 8 A/D input pins. Right now, (...) (25 years ago, 12-Dec-98, to lugnet.robotics)
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