Hi John,

DDUtil can control virtually any kind of device using the parallel port.
Please see the following link for information on setting it up. If you have
additional questions please address them to the DDUtil Yahoo Group.
http://k5fr.com/ddutilwiki/index.php?title=How_To#Setup_Binary-Coded_Decimal
_.28BCD.29_Devices


73,
Steve K5FR

Author: DDUtil, VSP Manager
http://k5fr.com/ddutilwiki/index.php?title=Main_Page

Moderator: DDUtil Yahoo Group
http://groups.yahoo.com/group/DDUtil/


-----Original Message-----
From: [email protected]
[mailto:[email protected]] On Behalf Of John Vandenberg
Sent: Thursday, December 31, 2009 8:33 PM
To: FlexRadio Mailings
Subject: [Flexradio] DDUTIL controlling an antenna switch

I am building a simple remote antenne switch and want to control it with 
DDUTIL.  The hardware consists of a modified Ameritron RCS8-V  (5 
position antenne relay and control box).  In the control box I added 
optoisolators and drivers for the relays. The interface uses an LPT port 
on the computer  going via a cable to the control box.

I want to find out how to setup DDUTIL to send bits to the control box. 
There is no translation to BCD required.  Bits 0 to 4 select ant1 to 
ant5.  There is one extra bit 7 to enable the old Drake L4B AMP.

Also need to find out how to read the HF band on PowerSDR and send the 
corresponding bit to the control box.

John
ve3dvv



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