[WriteLog] CW Keying Interface

[K4SB]

WA9ALS - John wrote:
> That's what I use.  Some recommend a 3-4K resistor instead of the 1K - won't
> hurt, might help.  2N2222 is fine.   I key CW with DTR on the COM port, thru
> resistor to base of 2n2222.  Ground the emitter.  Emitter and collector to
> key rig.  I think you have it.  My first interface consisted of these 2
> components hanging out the back of a DB-9 shell, but I cleaned it up later!
> ;-)
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Don't remember the "smart guy" who posted the message, but in regard
to John's comments about "cleaning it up", the individual suggested
putting the circuit into a "pill" bottle from a prescription.

Works like a charm, allows easy service if needed.

Still haven't figured out how to get my 250 soldering gun in the
bottle. ):>

73
Ed