On 02/07/2013 08:02 AM, Zitt wrote:
> 1) The “Right angle” Display board has surface mount LEDs under the
> tubes; the idea here is that when the display is “active” meaning
> PlayerX is up... the switched LAMP driver on the side of the display
> turns on these LEDs causing them to backlight the display ... to help
> identify which player is active. A Brightness POT on the baseboard
> controls the brightness.
> Opto-Isolated the “lamp” input from +5V logic.
You could maybe regulate the nixie current (instead of using LEDs) so
the active display is brighter than the inactive one.

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