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20pcs 5mm 940nm + VS1838B IR LED Emitting Diode Kit Transmitter Receiver Infrared Light Emitter Phototransistor Assortment Set

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US $2.47


Tags: 20pcs, 940nm, vs1838b, emitting, diode, transmitter, receiver, infrared, light, emitter, phototransistor, assortment,