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IR LED - littleBits: DIY Electronics For Prototyping and Learning
瀏覽：1315
日期：2025-11-28
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 ligh...看更多
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