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Open-smart Infrared Emitter Ir Transmitter 38k Hz 940nm Ir Emitter Module Compatible For Arduino - Industrial Computer & Accessories - AliExpress
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Amazon.com : KOOBOOK 2Pcs Digital 38KHz Infrared IR Receiver Sensor Module for Arduino Compatible : Electronics
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Arduino Tutorial: IR Transmitter and IR Receiver (HX-M121, HX-53, KY-005, KY-022, Keyes, Iduino, Open Smart,...) - Michael Schoeffler
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