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# Challenge: Design a more powerful battery

So now you know how to light a red LED. What about a blue one? Hint: a blue LED requires more power. Created by Exploratorium.

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# Challenge: Design a more powerful battery

Current time:0:00Total duration:0:31

0 energy points

So now you know how to light a red LED. What about a blue one? Hint: a blue LED requires more power. Created by Exploratorium.