Gikfun Digital 38khz Ir Receiver Ir Transmitter Sensor Module Kit for Arduino (Pack of 3 Sets) EK8477

Note: The white smudge is not corrosion damage, it's flux, can wipe it off with a rag, does not affect the use of the module
This ir transmitter sensor module is directly launched by a single tube, it requires waveform modulation through the program.
It is suitable for infrared communication, infrared remote control, apply to a variety of platforms including Arduino/51/AVR/ARM
With signal indicating LED, easy to observe and debug.
Pin Definitions: (1) Output (2) Vcc (3) GND