Introduction: Sewable Electronics - Make a Bracelet
A wearable is a piece of technology that you can wear.
A few years ago I was proposed to design a wearables workshop that should be cheap so it could be made massively and easy to be done with children.
There are a few wearables projects based on Lillypad and other electronics, but we decided to make it open-source and cheap to produce locally.
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Step 1: Materials & Tools
You will need the following standard materials:
- some felt or any other tissue
- a standard LED (I use RGB blinking LEDs) that you should mark the negative leg (any marker pen will do) and then twist the two legs in a closed loop so you can sew each leg.
- 3V coin cell
- hooks & eyes clasp (on chrome finish because it must be electricity conductor).
And also some special ones like:
- Coin cell holder: we designed this 3D printable button: https://www.thingiverse.com/thing:1927411
- Conductive thread. This is not easy to source but we are using a thick thread similar to knitting thread.
The basic tools to use are:
Step 2: Step 2: Cut the Felt to Size
Step 3: Step 3: Sew the Battery Holder
Step 4: Step 4: Sew on Half of the Switch
Step 5: Step 5: Sew the Positive Pole of the Battery Holder
Step 6: Step 6: Sew the LED
Step 7: Step 7: Sew the Negative Side of the LED and the Other Half of the Switch
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