tag:blogger.com,1999:blog-5971492974453402459.post7504671554584925340..comments2023-04-11T09:50:14.108+02:00Comments on Operation Blinkenlights: ElectronicsCamielhttp://www.blogger.com/profile/17012325280715113230noreply@blogger.comBlogger2125tag:blogger.com,1999:blog-5971492974453402459.post-72244973351738035292011-12-09T09:08:21.143+01:002011-12-09T09:08:21.143+01:00Hi Hein, good to see you here!
I'm afraid you...Hi Hein, good to see you here!<br /><br />I'm afraid you are mistaken. Other IBM machines did use neon bulbs, but these lights really are incandescents. There's a filament in each bulb, and the half of them that still work light up around 8-9 volts.Camielhttps://www.blogger.com/profile/17012325280715113230noreply@blogger.comtag:blogger.com,1999:blog-5971492974453402459.post-42467738430073177422011-12-09T00:12:23.908+01:002011-12-09T00:12:23.908+01:00Actually ... those are NOT incandescent lights. T...Actually ... those are NOT incandescent lights. They don't 'glow' from hotness. They are miniature neon discharge lights. The take like 'no' current to go (of course they do.. 0.01 mA) but a significant voltage: more than 100V<br />http://en.wikipedia.org/wiki/Neon_lamp<br />Denk ook aan een 'spanningzoeker' !<br /><br />Google found some for sale @ Ebay<br />http://compare.ebay.com/like/190602908346?var=lv&ltyp=AllFixedPriceItemTypes&var=sbar<br /><br />Groets,<br />HeinHeinnoreply@blogger.com