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LTSpice 2 Transistor Constant Current IR LED Driver Circuit for LED strings. #circuit #ltspice #led - YouTube
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![Super-bright 5mm IR LED [940nm] : ID 387 : 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 : Adafruit Industries, Unique & fun DIY electronics and kits")
Super-bright 5mm IR LED [940nm] : ID 387 : Adafruit Industries, Unique & fun DIY electronics and kits
Basic Light Emitting Diode guide - DP
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Extend IR Led Range - Raspberry Pi Forums
