North Poles


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You can click on the pictures on this page for a larger version.

North Poles in 2011Our "North Poles", along with our arch fence and mini-trees, make up the "front line" of our display.  We have 14 of the poles which allows one pole on either side of our 12 arches (split by the driveway).  Each pole can be individually set by the computer to just about any color imaginable.  These poles also help elevate our arch fence over potential deep snowfall that might occur during the season.  Read on for a bit of a tale on how they were created...  

Sometimes several different things come together at just the right time and ends up with a new, unique element in our display.  Such was the case with our North Poles, which were added to the display for the 2011 season.

 The first factor was the weather during the 2010 season.  To put it short, it was miserable.  You might remember it as the season that collapsed the Metrodome roof, and it just kept coming, and 

Arch Fence Obscured by Snow in 2010
This is what our arch fence looked like after the first big snowfall in 2010.  It only got worse from there...

coming, and coming.  By mid, December, we had drifts over three feet high in many places in the 

yard, and the city had piled over 4 feet of snow from the street across our entire frontage.  Needless to say, much of our display, including virtually all of our arch fence, which was less than 3' high at the very tops of the arches, was all but lost to viewers out on the street.  The previous couple of years weren't nearly as bad, but still had snows that cause the arches to be at least partially obscured.  It was clear something needed to be changed.

The second factor was that a few friends Tim knows through the online decorating community had come up with a concept called a "North Pole".  Basically it was a PVC pipe painted with a candy-cane stripe, a low-wattage light bulb on top, and a white globe over the bulb to make it look nice. Tim realized that perhaps these could be placed between all of our arches to not only enhance the look of the front of the display, but actually be used to raise up the arches over any potential snow.

Finally, at a lighting gathering in Chicago over Labor Day weekend 2010, Tim was introduced to decorating element called the "CoroStar".  The element itself, being about aCoroStar foot tall and completely open at the top, is not at all practical  for our snowy Minnesota climate.  But what these elements did have was relatively cheap RGB strips inside (meaning they can be set to  virtually any color), one relatively cheap DMX module per star (meaning each individual star can be individually controlled via the DMX lighting protocol and the sequencing software we use to control the whole display), and a method for chaining them all together and mixing both the power and signal across a simple Ethernet cable.  


S
o in the end, our North Poles North Pole and Arch Fence became a marriage of these three ideas/needs.  We took the basic North Pole, replaced the incandescent light bulb with the RGB LED modules and DMX controller as in the CoroStars, and added the capability for it to support our arch fence.  By default, the bottom of the arches are raised up about 8 inches above ground level (whereas they used to be right at ground level).  If deeper snow has fallen or is anticipated, we can relatively easily raise the arches to about double that height off the ground, which puts the top of the arches just a bit taller than the tops of the North Poles themselves.  Hopefully we won't need to use that feature, but if so, it will be a lot better than losing the entire fence behind a wall of snow once again.

Here are some miscellaneous pictures from construction and depoloyment:

northpoleelectronics.jpg (123236 bytes)

This rat's nest is the pile of electronics for the 14 North Poles. all soldered up and ready to be installed in the poles.

northpoleelectronics2.jpg (85178 bytes)

This is the electronics for one pole.  To the right are three "5050" RGB modules connected to a small DMX LED controller on the left.  

northpolewiring.jpg (78390 bytes)

Here the electronics are being installed into the North Pole itself.  I evidently didn't take pictures of creating the poles themselves.  They are 3" PVC water pipe, which was cleaned, masked, and sprayed red for the stripe.  Holes were drilled for the arch support poles as well as the electronics, which we see here being fished in place.

northpoletop1.jpg (60658 bytes)

Here the top of the North Pole is being assembled.  a 3" PVC union fitting, with screw holes drilled/tapped to hold on the globe which will eventually sit on top, sits on top the PVC pole.  1/2" PVC water pipe is used to support the LED's, which are still hanging off to the side in this picture. 

northpoletop2.jpg (54141 bytes)

Here the LED's have been glued in place to the 1/2" water pipe.  Through experimentation, we found that angling them slightly, plus orienting them more toward the front and sides than to the back (which nobody typically sees but us) helps give the lights the best spread across the acrylic white globe which goes over the top. 

archholder.jpg (53293 bytes)

This picture shows how the arch holders work.  Holes are drilled through the PVC North Poles at an angle, where the rods we use to support the arches can be slid into and lock into place (here the arch has been lifted up to show the rod and the hole).  Note the additional hole above, which we can use if we want to raise the arches up over snow.
 

archholder2.jpg (154635 bytes)

This is what the back of the noth pole looks like (the side you don't see from the street).  The arches are in the "low" position here.  The white box is the Cat-5 jacks that feed power and DMX signal into the pole.  The two wires go to the neighboring poles. 

NPFrontDay.jpg (83584 bytes)

Here's the 5-pole, 4-arch run directly in front of the house during the daytime.  You can see the 9-pole, 8-arch run elsewhere on this page.

North Poles in 2013

Here's a picture of the pole line from the 2013 season, in an "all green" configuration.  Each pole can be any color, individually from the others.

 

Are you iterested in all sorts of geeky detail?  Tim created this YouTube video early on in the design process for the North Poles, after creating a single-pole "proof of concept".  The video was intended to share with the online "lighting community" for feedback rather than the general public, so lots of terminology, names, and references are thrown out that might not be understood.  But you can get a glimpse of how these work "behind the scenes"

This page was last updated on Wednesday, December 18, 2013

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