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![Super-bright 5mm IR LED [940nm] : ID 387 : $0.75 : Adafruit Industries, Unique & fun DIY electronics and kits](https://cdn-shop.adafruit.com/970x728/387-01.jpg "Super-bright 5mm IR LED [940nm] : ID 387 : $0.75 : Adafruit Industries, Unique & fun DIY electronics and kits")