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Hi All,

Huel, K4DRQ was kind enough to send along some links he found to build a parallel interface for CW keying:





Several words of caution. The code for the parallel port CW keying enhancement was designed for and tested by using the W1GEE parallel interface (available on my website for anyone who doesn't want to build their own). The W1GEE interface uses pin 17 to send CW and pin 1 for ground. I don't know if the above schematics will need any modification to work properly or not. If you feel adventerous and give either/both of the above schematics a try, please let me know how they work out. I'm looking forward to your comments and feedback.

73, Scott
N3FJP


Serving the Amateur Radio Community with contesting and general logging software since 1997.

I've been using W1GEE's serial CW adapter with great success and no
problems from 7 to 40 wpm.

Is there any advantage to the parallel port adapter? Or is it just a
matter of what's available on your computer?

Dan, K8WV

Hi Dan,

Thanks for the good report.

The problem has been for those of us who want to send CW and use the rig interface features with one serial port in our machines. With the CW parallel port upgrade you can send CW via the parallel port and use the rig interface or packet DX spotting features via the serial port at the same time.

73, Scott
N3FJP


Serving the Amateur Radio Community with contesting and general logging software since 1997.



In a message dated 7/24/2003 9:29:55 PM Eastern Standard Time, "Darrell Ringer" <k8wv@...> writes:

I've been using W1GEE's serial CW adapter with great success and no
problems from 7 to 40 wpm.

Is there any advantage to the parallel port adapter? Or is it just a
matter of what's available on your computer?

Dan, K8WV



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Scott and users:
I have already been using the serial port version (without upgrades)
for several months and it worked very well on the serial port.
When I got the laptop home finally and started to use it with the base
rig, instead of my qrp rigs (Sierra and Norcal 40a) I had to have a
way to use the keyboard for CW too; since I use the serial port
at the house for my external keyboard.
I am using the keyboard as it is easier to enter all my data into the
AC Logger. I also have a mouse hooked up externally and that
facilitates the moving of the cursor faster than using the little button
on my laptop.
So, when this revision for the parallel port came out it was a good
idea to change. I am making up a connector and will report on
the use of that with the serial port in use too.
I work about 99% CW anyway. I get on SSB rarely and then to
work a rare DX station who does not work CW. I work the MARS
nets on SSB and have to have a mike only for those two reasons.
I also have learned in several contests that I can use my paddles
(Mercury) with the rig at the same time I have the keyboard hooked
up to the rig to transmitt CW both ways. That is a good idea for
those of you who have QRP rigs too. Add a plug input for the
paddles as well as the one for the connection to the laptop or
PC so that you can use both for the generation of CW. I rarely use
the keyboard cept for the contests. It is a major help and saves
time and frustration. I also have found that using the keyboard
function with the laptop eliminates the use of a memory keyer
and that is one less thing to put in my backpack to take on the hikes
and trips with the tent and all. It makes it lighter a bit and makes
more room for a couple more snacks.
Thanks again Scott for the new revision and looking forward to the
changes in the upgrade so I can log faster on the AC Logger program.

p.s. a word of advice, make sure you check the polarity of the 2n2222
when you wire it up so that you don't fry it when you apply power and
try to transmitt. OR, keep an extra on hand for the replacement. It is
a very easy mod to make and certainly a lot cheaper to make than to
buy from the people making them. Rad Shack has the parts and it is
very inexpensive to make. Have fun soldering!

John Paul, Raleigh, NC [AB4PP]//NNNUTV

"We all take different paths in life, but no matter where
we go, we take a little of each other everywhere."

--- In N3FJP_Software_Users@..., "John Paul Keon"
<jpkeon@n...> wrote:

I also have learned in several contests that I can use my paddles
(Mercury) with the rig at the same time I have the keyboard hooked
up to the rig to transmitt CW both ways. That is a good idea for
those of you who have QRP rigs too. Add a plug input for the
paddles as well as the one for the connection to the laptop or
PC so that you can use both for the generation of CW.

With the W1GEE serial adapter I simply added a Radio Shack 2 to 1
stereo headphone adapter at the key jack of my Icom 740. I turn off
the internal keyer and plug the computer into one side and my keyer,
bug, or straight key into the other side. Obviously you can't use an
internal keyer with any external keying device, but the use of a
keyer or a manual key allows a quick comment or repeat, but more
importantly allows a constant key down condition to touch up the
antenna tuner.

As a suggestion, Scott it would be nice to have a tune button or
keyboard key (~ perhaps)for tune/touch-up purposes with boatanchor
transmitters or antenna tuners.

Dan, K8WV

--- In N3FJP_Software_Users@..., "John Paul Keon"
<jpkeon@n...> wrote:

I also have learned in several contests that I can use my paddles
(Mercury) with the rig at the same time I have the keyboard hooked
up to the rig to transmitt CW both ways. That is a good idea for
those of you who have QRP rigs too. Add a plug input for the
paddles as well as the one for the connection to the laptop or
PC so that you can use both for the generation of CW.

With the W1GEE serial adapter I simply added a Radio Shack 2 to 1
stereo headphone adapter at the key jack of my Icom 740. I turn off
the internal keyer and plug the computer into one side and my keyer,
bug, or straight key into the other side. Obviously you can't use an
internal keyer with any external keying device, but the use of a
keyer or a manual key allows a quick comment or repeat, but more
importantly allows a constant key down condition to touch up the
antenna tuner.

As a suggestion, Scott it would be nice to have a tune button or
keyboard key (~ perhaps)for tune/touch-up purposes with boatanchor
transmitters or antenna tuners.

Dan, K8WV