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uxcell 20pcs 5mm 940nm Infrared Emitter Diode DC 1.2V LED IR Emitter Light Emitting Diodes Clear Round Head 7 Meters Emission Distance: Amazon.com: Industrial & Scientific
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Adafruit High Power Infrared LED Emitter - STEMMA JST PH 2mm : ID 5639 : $3.95 : Adafruit Industries, Unique & fun DIY electronics and kits
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uxcell 10pcs 5mm 940nm Infrared Emitter Diode DC 1.5V LED IR Emitter Light Emitting Diodes Clear Round Head: Amazon.com: Industrial & Scientific
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