On 12/7/2021 1:13 PM, eda...@aya.yale.edu wrote:
Can it be done with just the K2/KIO2, a KUSB cable, and an ordinary
Remember that the DB9 connector on a K2 is NOT a standard RS232
connector. Study the manual. To send CW via the computer serial port, a
"level shifter" is needed. It's been a while, but I think I remember DTR
driving a generic PNP with 5K in series with the base, and the collector
to the K2 key input, emitter to keying return. Someone will correct me
if I'm wrong.
73, Jim K9YC
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