On Dec 14, 2007, at 11:58 AM, Brad Rogers wrote:
On Fri, 14 Dec 2007 12:49:13 -0500
"Douglas A. Tutty" <[EMAIL PROTECTED]> wrote:
Hello Douglas,
opto-isolator for it. So I used the TV screen. I covered the top
half with photo-sensors. Had my program put black blobs on the
appropriate spot on the screen and that did whatever to the
That has got to be *the* most bizarre opto-isolation I've come across.
Didn't Microsoft sell a data wristwatch for a while that was
programmed by rapidly flashing the screen? I remember thinking at
the time that it was rather short-sighted to come out with a product
that required the user to have a CRT monitor.
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