Overview | Building an Infrared Transmitter and Receiver Board | Adafruit Learning System
Super-bright 5mm IR LED [940nm] : ID 387 : $0.75 : Adafruit Industries, Unique & fun DIY electronics and kits
Adafruit Industries - 1334 - RGB Color Sensor with IR filter and White LED - TCS34725 - RS
Overview | Using an Infrared Library on Arduino | Adafruit Learning System
Amazon.com : Acxico 1Pcs 48 Pieces IR LEDs Light Board 940NM LED Illuminator IR Infrared Board Module Invisible Light at Night for CCTV Security Camera : Electronics
Downloads | Building an Infrared Transmitter and Receiver Board | Adafruit Learning System
Super-bright 5mm IR LED [940nm] : ID 387 : $0.75 : Adafruit Industries, Unique & fun DIY electronics and kits
IR Break Beam Sensors with Premium Wire Header Ends - 3mm LEDs : ID 2167 : $2.95 : Adafruit Industries, Unique & fun DIY electronics and kits
Driving an Infrared Led directly from an Arduino Pin
Amazon.com: Adafruit Super-bright 5mm IR LED (25 pack) [ADA388] : Electronics