On Sat, Nov 9, 2024 at 04:10 PM, wn4isx wrote:
Unless you know what you are doing, do not try to power these circuits from the AC mains!
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Well ...? The normal thing to do was to power them from the AC mains - but with a series resistor, of course!? They were used as pilot lamps for electronic equipment.
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Unfortunately, they tended to slowly die after a number of years.
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Andy
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