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Torkel008

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Torkel008

Using A Photocell To Turn On A Flashlight

At work I have one of those phones ith 20 lines or so, each having an LED. If a call on line #8 comes in, I MUST answer it right away. But that LED is simply not very noticeable. I was thinking that...
05:48 Sun 13th Jan 20131 answer, last by oihsdfuwei 10:50 Sun 13th Jan 2013

Only 1 question