[time-nuts] Time shown as two horizontal bars

Bob Camp lists at rtty.us
Mon Apr 1 18:54:39 EDT 2013


Hi

Should be easy enough to build one, if one does not already exist. Great big piece of perf board and a bunch of wire. Put a piece of colored Lexan in front of it, simple wood box around it. Run with your favorite CPU board. 

Bob

On Apr 1, 2013, at 6:06 PM, "Bill Hawkins" <bill at iaxs.net> wrote:

> Looking for a long, thin horizontal clock display for use above or below
> a flat screen TV.
> 
> Tried searching for "bar clock" and got a lot of useless hits.
> 
> What I'd like is a display that is about half an inch (12 mm) high by
> 12-18 inches long (30-50 cm) that is just two rows of 60 or 120 leds.
> One row is labeled 0 to 59 (or 60) and the other is labeled 0 to 12. The
> display does not stay at 12 or 60 but jumps back to zero. Power line
> frequency is an adequate reference, as long as it always has the same
> 86,400 seconds per day, except for added leap seconds. There should not
> be a clock frequency adjustment.
> 
> 60 seconds worth of line cycles bumps the minute bar (30 if it has 120
> leds), and 5 minutes bumps the hour bar (150 seconds for 120 leds).
> 
> The clock is set (after startup and power outages) by four buttons on
> the back - minutes, increment, decrement, hours.
> 
> Have any of you connoisseurs of time seen such a clock? How about a bar
> of leds that could be used to make a clock?
> 
> Bill Hawkins
> 
> P.S. Currently re-reading Terry Pratchett's "Thief of Time" - a whole
> new way to look at time in a funny and perceptive story.
> 
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