I just had a bunch of PCBs made up. They are for variable speed
dekatron spinners. You can either buy the bare boards:

eBay #150727518045
http://www.ebay.com/itm/150727518045

Or kitted with all the parts, less the actual dekatron:

eBay #150727504026
http://www.ebay.com/itm/150727504026

Prewired for the OG-4. Use a neon bulb relaxation oscillator, to
cadence the speed. On-board LM393 based switching supply, so input
voltage is a safe 12V (AC or DC).

Here's the official link to all the kit's particulars:

http://threeneurons.wordpress.com/dekatron-stuff/variable-dekatron-spinner-kit/

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