Instructables
Picture of Needle Felted Coin Cell Battery Pack
Note: I created this tutorial last Sunday, sitting cross-legged on my bed, taking one-handed photos with my phone, all with anywhere from 1 to 3 cats within arms-reach at all times. (Cat-proximity is not relevant to the project but, I just thought you should know.)

This is a way to power some LED necklaces with a less-bulky battery pack. This needle felted battery holder attaches at the back of the necklace, which also makes it easy to have a light-up jewelry piece that only turns on when it's clasped. 

If you are as excited about the possibilities of mixing needle felting, the most addictive fiber art on the planet, and soft circuitry, here's a nice little exploration.


 
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Step 1: Materials & Tools

Picture of Materials & Tools
For Felting:
  • A hunk of wool roving in whatever colors you like - less than 1/4 oz
  • 1 or 2 felting needles
  • 1 piece of foam

eTextile goodies:
(Bekathwia has a great starter kit for sewing LED circuits. She's the one who taught me!)
  • a 3v coin cell battery
  • Conductive thread - about 24"


Other Tools:
  • a Sewing Needle
  • 2 Figure-Eight Eye Rings
  • Scissors

Step 2: Wait!! Read Me!!

Picture of Wait!! Read Me!!
Before you start, you need to know:

Felting needles are sharper than the sharpest sharp thing you can think of. While felting, always watch your hands and fingers to avoid boo-boos. Make sure your pokes are gentle, too. 

Ready? Ok!

(Image used with permission from ifeltawesome.com... that's me!)
krex1 year ago
Very cool share, I'm a needle felter but also interested in using LED lights and some old glass slides, so this could help me figure out the techie stuff that I find so challenging . Off, to check out your felting site : )
jgroenert2 years ago
What happens when the battery dies? Can you rip it open and re-felt it?
moxie (author)  jgroenert2 years ago
yes indeed! you just want to cut it at the side seam and be careful not to disturb the connections.

cheers!
Dr.Bill3 years ago
Good Idea..........
Where was this tutorial when I needed it yesterday before that coin battery blew up on me??!!
susanrm3 years ago
Sniff, sniff... I think I smell my next craft addiction! This is awesome. I needle felt & have conductive thread... make jewelry... hmm! By the way, I made my last -ible in half an hour at the laundromat. :-)