Here’s my 555 Contest Entry!  A Nixie Tube Keychain!

Check out the schematics here:

Check out the video here (QUICK VERSION):

Here’s the super extended video (LONG VERSION):

I originally created the first video to get entered in the contest JUST BEFORE THE DEADLINE.  Had to cut out most of the details to get this cut and uploaded to the 555contest with 6 minutes …..

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Schematic

Schematic

Update 2:

The 555 board for the cradle swing is finished and installed.  For video proof check out this link:

A schematic is also posted above.

The headphone tube amp is also finished.  the high voltage for the tubes is generated by a 555 in astable mode driving a fet and a custom hand wound transformer. For video proof check out …..

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