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Chanzon 5mm IR Infrared LED Diode Emitter + Receiver 940nm Sender Reciver Kit + VS1838B 1838 Sensor Ray Night Vision 940 nm 20pcs Lighting Lamp Bulbs Assortment for Arduino Raspberry - - Amazon.com
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10 Pairs Super bright 5mm IR LED and IR Receiver Diode 940nm for Arduino Diy|ir receiver diode|5mm ir ledir led - AliExpress
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