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Blue Heart

Step 3Make the cap

Make the cap
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  • Scheme.jpg
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Design is very simple just:

1. Prepare your bottle cap.
2. Drill hole and place 3 leds in it.
3. Glue leds with hot glue.
4. Solder your leds and switch.
5. Connect leds with a battery.
There is schematics.

You can add some crystals like i did. ;)
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Author:Zujus