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IR send and recive controller shield. [Buy it]
4x IR LEDs emitter (940nm) 1x IR receiver (38kHz) Configurable IO (Default: Sender - D3/GPIO0, Receiver - D4/GPIO2)
Schematic v1.0.0 [PDF] IR12-21c Datasheet [PDF] IRM-H638T Datasheet [PDF]
Install IRremote ESP8266 Library Arduino Examples