" wrote in news:ce59ac53-6740-
:

Is there some way to detect a 3-5volt say khz clock using an ordinary
instrument(no osciloscope)

With a few ICs and LEDs you can build a logic probe with pulse detection.

http://www.eng.cam.ac.uk/DesignOffic...per/EXP_7.html
has several interesting circuits, easy to build.

and for a 'delux' device
http://members.cox.net/berniekm/super.html





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bz 73 de N5BZ k

please pardon my infinite ignorance, the set-of-things-I-do-not-know is an
infinite set.

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