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Showing content from https://learn.sparkfun.com/tutorials/el-wire-pants below:

EL Wire Pants - SparkFun Learn

Introduction

The design and build time of this project depends on your experience manually sewing, the length of EL wire used, and where you are sewing it to. This can take about ~1 - 3 hours if you are following the side of pants.

Heads up! The pants that were used in this tutorial was a youth medium sized pants with standard EL wire sewn on the side of the legs. The length of wire used was 3 meters. Depending on the size of the pants, you may end up needing more or less EL wire as explained further below. Make sure to plan accordingly.

In this tutorial, we will sew standard EL wire onto a pair of pants.

Required Materials

To follow along with this tutorial, you will need the following materials. We will be using standard EL wire on the pants. You may not need everything, depending on what you have and your setup. Add it to your cart, read through the guide, and adjust the cart as necessary.

EL Wire - White 3m COM-10197

EL wire, or electroluminescent wire, is a flexible wire coated in phosphor. Apply the appropriate voltage and it lights up! I…

Retired EL Inverter - Battery Pack COM-11222

Even though the Tron movies have been out for a while, electroluminescence is still the coolest thing since sliced bread. The…

Retired Note:

EL comes in many different colors. Below are a few options for standard EL wire.



EL Wire - Red 3m COM-10191

EL wire, or electroluminescent wire, is a flexible wire coated in phosphor. Apply the appropriate voltage and it lights up! I…

Retired EL Wire - Yellow 3m COM-10192

EL wire, or electroluminescent wire, is a flexible wire coated in phosphor. Apply the appropriate voltage and it lights up! I…

Retired EL Wire - Orange 3m COM-10193

EL wire, or electroluminescent wire, is a flexible wire coated in phosphor. Apply the appropriate voltage and it lights up! I…

Retired EL Wire - Green 3m COM-10194

EL wire, or electroluminescent wire, is a flexible wire coated in phosphor. Apply the appropriate voltage and it lights up! I…

Retired EL Wire - Blue 3m COM-10195

EL wire, or electroluminescent wire, is a flexible wire coated in phosphor. Apply the appropriate voltage and it lights up! I…

Retired EL Wire - Purple 3m COM-10196

EL wire, or electroluminescent wire, is a flexible wire coated in phosphor. Apply the appropriate voltage and it lights up! I…

Retired EL Wire - White 3m COM-10197

EL wire, or electroluminescent wire, is a flexible wire coated in phosphor. Apply the appropriate voltage and it lights up! I…

Retired EL Wire - Blue-Green 3m COM-10199

EL wire, or electroluminescent wire, is a flexible wire coated in phosphor. Apply the appropriate voltage and it lights up! I…

Retired EL Wire - Fluorescent-Green 3m COM-10200

EL wire, or electroluminescent wire, is a flexible wire coated in phosphor. Apply the appropriate voltage and it lights up! I…

Retired

Looking for EL chasing or bendable EL wire? Click on the button below for additional options in the catalog!

Click to Browse More Colors Options for
EL Chasing, Bendable, & Types of EL Products

Tools

At a minimum, you will need a needle. If you are making an extension cable, you will need a soldering iron, solder, and general soldering accessories.

Needle Set TOL-10405

This set of sewing needles is a must-have when stitching together your next e-textile project. Each envelope contains three 4…

You Will Also Need Suggested Reading

If you aren’t familiar with the following concepts, we recommend checking out these tutorials before continuing.

Prepare the EL Wire Note:

The images below is using standard EL wire with

youth sized pants

. The length of wire used was 3 meters.

Depending on the size of the pants

, you may end up needing more or less EL wire as explained further below. Make sure to plan accordingly.

Testing the EL Wire and EL Inverter

Before sewing the EL wire to a piece of clothing, make sure to test it out to see if it is functioning. To test, connect the EL wire to an inverter. In this case, we are using AA batteries and the 3V EL inverter battery pack.

With the battery in the EL inverter battery pack, press the button to test. If the EL wire lights up, both the EL wire and EL inverter are good to go!

Planning the Path

Plan out where to add EL wire. To hold down the EL wire when sewing, we will be using binder clips. Depending on what you have, you could also try to use pins or tape. Place the EL wire into the binder clip and clamp it down against the fabric. Make sure to avoid clamping the EL wire down where the binder clip pinches as this can damage the corona wires.

In this case, all 3 meters of EL wire were used starting by the left pocket, running down the side of the leg, and back up to the waist. The EL wire then followed the waist in the back before running down the right side of the leg and back up to the right pocket. The length along each side was adjusted to be symmetric.

Heads up! Loose fabric like cotton can be harder to sew unless you have a something to hold the thread down. The pants used in this tutorial was made of polyester, which was easier to handle. Make sure to choose your material wisely.

Prepare the Needle and Thread

For this tutorial, we will double up the clear thread. Prepare your needle and thread by inserting the end of the clear thread through the eye (opening) of the needle and pull it through. Cut about an arms length of thread (approximately 2 feet long) to work with. Tie the two ends of the fishing wires into a knot. You may need to use the needle to help guide the knot close to the end of the thread.

Repeat the steps again for a second knot. Cut of any excess tail left over.

Tip:

The clear thread is non-conductive. However, try checking out the section on

sewing with conductive thread

for other alternatives to start a knot.

Sewing the EL Wire Note:

The images below is using standard EL wire with

youth sized pants

with standard EL wire. The length of wire used was 3 meters.

Depending on the size of the pants

, you may end up needing more or less EL wire as explained further below. Make sure to plan accordingly.

⚡ Please note: While sewing, make sure that your EL wire is disconnected from power. Also, make sure you do not stab yourself or the EL wire while sewing.

Start sewing by the EL wire's heat shrink and tie a knot around the EL wire. Continue making a loop around the EL wire to hold it down. When sewing with clear thread, make sure to pull the thread all the way through since the thread is slippery when sewn in certain fabrics. Be careful not to sew the front and back of the pants together. Also, ensure that the distance between each stitch is not too long. About 0.5" to 1.0" is a good stitch. Longer stitches can cause the EL wire to snag or become loose when wearing the EL pants.

After about 5x stitches, loop back through the last stitch with an overhand knot to lock the thread in and prevent it from sliding.

Once you begin to run out of thread to work with, tie the clear thread down against the fabric. Then repeat the steps outlined above with another piece of clear thread.

When you are finished sewing the EL wire down, make a loop with the end of the EL wire and sew the wire down for strain relief. Make sure this loop is beyond the heat shrink as the connection at the heat shrink is sensitive to bending.

Plug the EL wire back into the EL inverter to test it out. If it lights up, you are good to go! Place the EL inverter in a pocket or clip to a belt to enjoy! If you are using an EL inverter battery pack, you may want to make an extension cable.

Remember, EL wire works best in low light. It may be hard to see in daylight or in rooms with sources of light.

Different Pant Sizes

Remember what I said about the size of the pants? Different pant sizes will require different lengths of EL wire - this variation can cause the EL wire to not start or end where you expect it to. Note the difference in the the image compared to the youth sized pants.The beginning of the EL wire was sewn further down the pant leg and followed a narrow path as it headed back up toward the waist.

Resources and Going Further

Need some inspiration for your next project? Check out some of these related tutorials:

EL Wire Light-Up Dog Harness

Learn how to create a light-up dog harness using EL wire for when you need to take your four-legged friend for a walk in the dark.

EL Wire Hoodie

In this tutorial, we will sew standard electroluminescent (EL) wire to a hoodie.

Looking for more ideas, check out these related blog posts:


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