[GreenKeys] Model 14 typing errors - lubrication problem? Misadjusted? Wrong selector magnet wiring?
David Burns
dvdbrns at rcn.com
Wed Sep 5 00:49:37 EDT 2012
Jim..
P.S on the bizarro investigative technique:
1) Is the response time of a junk-box LDR on the order of 1 millisecond?
(Don't know myself.)
2) Since 60 cycles has a period of ~16 milliseconds, that is the same
order of magnitude as a 45.5 baud bit. If the signal to ambient-
artificial-light-noise (from florescent or incandescent shop lighting)
is so low that it is difficult to discern the signal, you might want to
turn the shop lighting out and use a flashlight during the experiment.
(And obviously, the LED should be smooth DC powered...)
-Dave in Boston
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