Inventor Project Sensors & Circuits
Hard
40 mins
135 points
What you need:
  • E-Textiles Kit

E-textiles basic circuit with LED

In this project you will create your first basic e-textiles circuit with a LED lighting up.

1 - What you need

In this project we will create our first e-textiles circuit and light up a LED in some fabric.

You will need the following:

  1. Standard white LED
  2. Miniature Coin Cell Holder and CR1220 Coin Cell (you could use any other type of cell holder)
  3. Conductive thread
  4. Needle
  5. A pair of scissors
  6. A pair of round nosed pliers
  7. The fabric or item of clothing that you will stich the circuit to

2 - Prepare the LED light

Use the round nosed pliers to create a small loop in the negative leg of the LED. The negative leg can be identified as it is the shorter of the two legs. Also there is a flat, cut off section on the bottom of the bulb directly above the negative leg. This can be a little hard to see so an easy way of remembering which leg is which is to always twist and stitch the negative legs in your circuit first and then do the positive side of the circuit.



3 - Attach it to the fabric

Attach the loop that you have made in the negative leg to the fabric using 5 or 6 oversewing stitches. The stitches must be tight and clumped close together.


4 - Stich to coin cell holder (negative -)

Use running stitches to take your needle to the position where your cell holder will sit.

Stitch the ring on the negative side of the cell holder onto the backing fabric using 5 or 6 oversewing stitches. Finish off the thread on the back of the fabric and trim the thread close to the stitches. The negative side of the circuit is now complete.



5 - Stitch the positive +

Using a new piece of thread, stitch the loop on the positive leg onto the fabric using oversewing stitches.

Use running stitches to take the needle and thread to the positive side of the cell holder and oversew the positive ring on the cell holder into position.



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