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FreeTrack kit / set USB with Osram SFH485P - LED shop
Intro to IR Circuits : 9 Steps (with Pictures) - Instructables
Ir led low range - General Electronics - Arduino Forum
Powering multiple infrared LEDs from Arduino. - Project Guidance - Arduino Forum
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5mm LED - Infrared 850nm 50 Degree Viewing Angle
Best IR LED Circuit - LEDs and Multiplexing - Arduino Forum
IR Emitter LED 940nm 5mm (5-Pack) - ProtoSupplies
SparkFun Max Power IR LED Kit - KIT-10732 - SparkFun Electronics
microcontroller - (Infrared LED Circuit) Can i use this circuit with 3.3v logic? - Electrical Engineering Stack Exchange
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How much voltage to give my IR LED? - Electrical Engineering Stack Exchange
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IR Emitter LED 940nm 5mm (5-Pack) - ProtoSupplies
How to control IR led using ESP8266 (out pint at 3.3v) and MOSFET to obtain high IR range? - Electrical Engineering Stack Exchange
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Infrared LEDs
Extend IR Led Range - Raspberry Pi Forums
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10W 940nm Infrared IR led light, 4 - 5V 1050mA - Invisible
DIY - IR Module | Details | Hackaday.io
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Driving an Infrared Led directly from an Arduino Pin
