The KY-005 infrared emission sensor module is part of the "Arduino 37-in-1 sensor board kit" series. An infrared LED emitter is mounted on the module, very similar to those of common remote controls for television or other devices.
The LED is able to emit signals with a transmission frequency of 38KHz with a wavelength of 940 nm (not visible to the human eye) and, if properly controlled, transform...
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