I still have a lot of extra 4N33 Opto-isolators for sale - useful for
building a PTT or CW keying interface between the rig and your PC's serial
port. Better than just using a simple transistor switch as it isolates your
computer from any nasty voltages that might come from the radio on the
keying line.
Priced as follows (including postage in USA):
2 for $1.75
3 for $2.25
4 for $2.75
5 for $3.00
6 or more $.50 each
Send an e-mail indicating how many you want and I'll send my mailing address.
73,
-Marty NW0L
martyt@pobox.com
--
WWW: http://www.writelog.com/
Submissions: writelog@contesting.com
Administrative requests: writelog-REQUEST@contesting.com
Problems: owner-writelog@contesting.com
|