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13D print the parts
Fairly straightforward, you can find all the parts in the zip file attached to this project page (or on thingiverse https://www.thingiverse.com/thing:4140998)
You will simply need to print one of each item. Here's a description of the item and specific material notes:
- Hexagon Shell
- This part will ultimately be sewed on the inside of the backpack. It can be any color you want. It's not meant to be visible. 25% infill. Any color.
- Hexagon Shell Top
- This part snaps on to the Hexagon Shell and is used to secure the circuitry in place. It won't be visible either. 25% infill. Any color.
- Hexagon Insert
- This part is used to diffract the light from the NeoPixels. As such, it should be printed with a transparent material (I used transparent PETG) @ 100% infill.
- Hexagon Faceplate
- This is the faceplate which is used both asethetically and to hold the insert in place. I prefer Black PETG @ 25% infill
- Hexagon Core w/ Rails
- This is the base component which most of the other parts ultimately fit into. It is visible and in my experience, looks best with White PETG @ 25% infill.
- Hexagon Shell
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2Solder the PCB
Once you receive an empty PCB based on the gerber files, you can go ahead and solder the components. (I will add detailed instructions later). The components you need are listed in the component section of this project.
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3Flash the arduino
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4Complete the internal wearable assembly
TBD
- Place the completed PCB in the Hexagon Shell.
- You will know it is placed correctly if the NeoPixel lights are pointing "down" through the "bottom" of the print. (pics coming later)
- Attach 6mm capture nut inside the two slots provided
- Insert 4 magnets (stacked on top of each other) to three of the corners. The corner nearest the reed switch should not have any magnets.
- Please make sure the polarity is the same in each corner. Otherwise the hexagon faceplate will not be reverseable.
- Place Hexagon Shell Top over the Hexagon Shell
- Screw in 6mm bolt
- Place the completed PCB in the Hexagon Shell.
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5Sew the internal wearable assembly
TBD - Will include pictures and more detailed instructions later.
There are loops evenly spaced all over the wearable assembly. Simply sew the assembly in place (with the neopixel lights pointing towards the outside world, so to speak).
I found that I only needed about 6 loops to be sewed in order for the assembly to remain stable. You can use as many of the loops as you wish.
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6Cut a hole in the backpack
Now the fun part. You will need to liberate the NeoPIxel lights by cutting a hole in the backpack. It can be as precise or freestyle as you want, but the important part is that the NeoPixel lights are free to shine into the outside world.
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7Put together the exterior hexagon
- Put 1 magnet in each of the 4 corners of the Hexagon Base
- Verify the polarity will match with the internal assembly
- Place the Hexagon Faceplate into the slots provided (make sure the 2 nubs are pointing towards the magnets, for convenience of locating proper orientation later).
- Reverse the hexagon base
- Snap the Hexagon Insert into the faceplate, such that it covers the magnets
You should be done now! Attach a 2.1mm DC Barrel jack 3x AA Battery pack into the wearable assembly, and snap on the faceplate. - Put 1 magnet in each of the 4 corners of the Hexagon Base
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