June 7, 2010 AT 5:34 pm

Blinky bug…

Pt 1093

Pt 1090

Pt 1091
Blinky bug, Popular Electronics 1962.

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  1. Roland McIntosh

    135 Volts! Neon lamps FTW, in the era before LEDs.

  2. Whee! A good old relaxation oscillator. These also make nice ‘fireflies’ outdoors on a summer night.
    A bunch of common 9V batteries connected together in series will make a good substitute for the obsolete battery specified here.

  3. Evidently you can still get the batteries.


  4. Two 9V batteries won’t work in this case. You need at least 90V to light up a neon bulb. That is why here are used two 67,5Volt batteries.

  5. Damn. Just when I thought I had an original idea…

  6. What the…. I think I have the original article at home..

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