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Re: "Skimmer" revisited
To: CRTech <crtech@crtech.org>
Subject: Re: "Skimmer" revisited
From: Willie Barnett <wbradiolists@gmail.com>
Date: Fri, 10 Nov 2017 15:25:23 -0500
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In-reply-to: <0C0AB45B-F187-4127-95E6-13011A82C6C4@paravelsystems.com>
References: <CAOkhgWog5+K8ApHk+XggsXMkFQs+9qb3WvzQytcvU=JFgV2mjQ@mail.gmail.com> <0C0AB45B-F187-4127-95E6-13011A82C6C4@paravelsystems.com>
I know that there are RS232 ports available... so I will probably go that route for this skimmer project. Thanks! :)


On Fri, Nov 10, 2017 at 11:49 AM, Fred Gleason <fredg@paravelsystems.com> wrote:
On Nov 10, 2017, at 11:17, Willie Barnett <wbradiolists@gmail.com> wrote:

Will this work using the parallel port of a computer? I'm JUST STARTING to experiment with a 32 bit version of Rivendell, and this would be a great project. 

No, but if you’ve got an old sound card with a 15 pin ‘joystick’ port on it (common before USB came along), that can be used to get 4 GPIs in a pinch.  See the ‘GPIO.txt’ file in the Rivendell docs directory for details.  Likewise, the handshake lines on a COM port can be used.  See the ‘Modem Lines’ section of ‘SWITCHERS.txt’.
References: "Skimmer" revisited
(Willie Barnett <wbradiolists@gmail.com>, 10 Nov 2017 16:17:13 -0000)
Re: "Skimmer" revisited
(Fred Gleason <fredg@paravelsystems.com>, 10 Nov 2017 16:49:01 -0000)
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