Tools & Prep
The candle flicker LEDs have a chip inside that causes the light to twinkle.
The LEDs pictured are wired in parallel with the 3V coincell. We recommend powering two LEDs with one battery, which is great for projects in pairs like shoes.
Click here to buy a basic multimeter.
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Don't forget to learn how to use your multimeter too!
This guide was first published on Mar 12, 2013. It was last updated on Mar 12, 2013.