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5t4nd1ng @ th3 3dg3 0f 5p3ct4t10n!
Give a child a toy and they're happy for an hour.
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The IR LED (or infrared light-emitting diode) module sends out light with longer wavelengths than visible light, similar to the light in your remote control. It's invisible to the eye, but many digital cameras can see it! Try using it to activate the light sensor or remote trigger. Source: LittleBits
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