Explicit "random" word generator :-) Am Freitag, 5. Januar 2018 22:50:04 UTC+1 schrieb Terry S: > > I have an early Pete Hand FLW clock, to which I added the PIR sensor. It's > actually positioned outside the acrylic case, along side the feet. Very > inconspicuous. Since it's essentially black in color, you will not notice > it until you look for it. I don't even think it's visible in this picture: > > > https://www.flickr.com/photos/32165280@N02/6327922052/in/album-72157628062875880/ > > I'd have preferred to have placed it inside the case, below the PCB, but > it did not function thru the plastic. Drilling a hole would have made it > very conspicuous. > > It does seem to activate the clock from about 20 feet away. > > Terry > > > On Friday, January 5, 2018 at 3:33:27 PM UTC-6, gregebert wrote: >> >> I cant take credit for depoisoning; lots of collective experience from >> this group and we all chip-in what we learn. >> I've had minimal success running at high current to depoison a dirty >> tube. But, why not try it ? You have nothing to lose. >> >> >> - Some tubes just wear-out or leak. I have several Burroughs 5031's >> that simply wont improve. >> - Some tubes just dont seem to die. I have yet to see a 5092 die in >> any of my clocks (6 years * 4 clocks * 6 tubes = 0 failures) >> - Some tubes will wear-out if you display a single character 24/7 [A >> very bad thing to do; but that clock looks so cool...] I've lost 2 >> Burroughs 6091's, and partially rejuvenated a third tube. >> - Some tubes fail in a different manner. I've had bad experiences >> with cathodes of IN-1's shorting internally with metal whiskers. Others >> have not. >> - When all else fails, there always the microwave oven: >> https://www.youtube.com/watch?v=AYUMy0P560k >> >> >> The PIR sensors have an ugly hemispherical dome, roughly 5/8" diameter. >> Looks like the eyeball of gigantic house-fly. But they will protect your >> expensive tubes. >> >
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