Weaving: Clasped Weft with LEDs
Another project for the weavers and hopefully a source of inspiration for the non-weavers.
Incorporate LED's, or other hardware, into your weaving project using the clasped weft technique.

Info Added 1 May 2009
An article in weavezine.com May issue has further information concerning this technique.
Please enjoy!

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UPDATE - My article on How to Weave the Starlight Table Runner is published in Nov/Dec 2012 issue of Handwoven Magazine.
online download from Handwoven website
and
How to Video on my website.

Step 1: Preperation

Weaving: Clasped Weft with LEDs
Weaving: Clasped Weft with LEDs
Weaving: Clasped Weft with LEDs
Warp the loom.
Wind a bobbin with one fiber and place in a shuttle. I am using a pink wool.
Wind a second bobbin with a different yarn AND conductive thread. This contrasting yarn is not necessary, but helps identify your different traces.
For this example I have used greenyarn/conductive thread
Solder crimping beads to your LEDs.

Step 2: Weave a positive trace to attach LED

Weaving: Clasped Weft with LEDs
Weaving: Clasped Weft with LEDs
Raise the shed.
Weave a clasped weft bringing the pink yarn from the right and the greenyarn/conductivethread from the left side.
Feed the conductive thread thru the crimping bead.
Pull the conductive thread taught and pull the tail end, plus the green yarn, thru the shed to the left side of the warp.
Lower the shed.
Beat the warp...gently so as not to damage the LED.

Step 3: Weave in the daisy chain

Weaving: Clasped Weft with LEDs
Following your pattern weave a couple of rows the width of your LED.
Be sure to catch the greenyarn/conductivethread into the left selvedge.

Step 4: Weave the negative trace

Weaving: Clasped Weft with LEDs
Weaving: Clasped Weft with LEDs
Weaving: Clasped Weft with LEDs
Weaving: Clasped Weft with LEDs
Begin with the pink yarn shuttle boat on left side of weaving.
Bring a second strand of conductive thread from the right selvedge to the LED.
Clasped weft with the pink thread and conductive thread.
Feed the conductive thread thru the other crimping bead.
Position the LED within the weaving.
Bring the tail end of the conductive thread thru the shed to the right selvedge.

Gently beat the warp.

Continue weaving your pattern repeating daisy chain as desired being sure to match polarities on your traces and hardware.

Step 5: Test Test Test

Weaving: Clasped Weft with LEDs
Weaving: Clasped Weft with LEDs
Test your circuits and make something groovalicious!
 
 

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