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Gikfun Infrared Diode Led IR Emission and Receiver for Arduino (Pack of 10 Pairs) EK8460 hidden More than tens of thousandsGikfun Infrared Diode Led IR Emission and Receiver for Arduino (Pack of 10 Pairs) EK8460 Product Features 10PCS VS1838B Infrared receiver and 10PCS 5mm 940nm IR infrared Emission Tube LED Lamp The ir receiver is a small design with a built in dedicated IC that is highly resistant to interference and can withstand environmental interference. The infrared diode's pin is not easy to be oxidized, it is easy to be tinned, and the solderability is good;