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This soft LED light pouch is easy to make and runs with two AAA batteries. The design is super simple and fits really well with the LilyPad components. Though you can also modify a regular LED and slide switch to be sewable by soldering little loops on the end of their leads. The light is cute and small and soft but not really bright enough to be used as a headlight for biking so I'd appreciate suggestions as to what else it could be used for.

Link to post on HOW TO GET WHAT YOU WANT:
http://www.kobakant.at/DIY/?p=2139

Here is a video of the completed pouch


Step 1: Materials and Tools

Picture of Materials and Tools
MATERIALS
* 1.5 mm thick neoprene with polyester jersey laminated to either side >> sedochemicals.de/
* LilyPad sewable LED >> www.sparkfun.com/commerce/product_info.php?products_id=8735
* LilyPad slide switch >> www.sparkfun.com/commerce/product_info.php
* Conductive thread >> www.sparkfun.com/commerce/product_info.php
* Stretch conductive fabric >> lessemf.com/fabric.html
* Fusible interfacing
* Regular thread
* Two AAA batteries

TOOLS
* Stencil
* Fabric pen
* Scissors
* Iron
 
snotty5 years ago
What a perfect battery holder. It's just right for the needle-felted, joule-thief lizard I've been working on. 
Plusea (author)  snotty5 years ago
Also check out this Instructable:
>> http://www.instructables.com/id/Fabric_Battery_Pouch/
DIY-Guy5 years ago
Other ideas if not headlights for bikes... shoulder and leg "side" lights on riders for a bit more safety.

Teddybear armband lights for the comfort of small children afraid of the dark.

Velcro wrapped "throwies" or "utility belt" props for stylish Bat-girls.

Furniture "warning lights" with dark sensors. How many times has someone banged their shins against the couch in the middle of the night?

Waterproof 'em, make scuba gear "buddy lights."

(Put more LEDs on one battery pack and they become more usefull.)

DIY-Guy

P.S. There's always more ideas for usefullness, let me know if you need more and I'll email them.
Plusea (author)  DIY-Guy5 years ago
THANKS!
Lasgaar5 years ago
 where did u get these lily pads?
Plusea (author)  Lasgaar5 years ago
From Sparkfun, and i've added links to them in the Materials and Tools step.
roadieflip5 years ago
What a great idea... I'll have to break out that old wetsuit in the cupboard.