This Arduino library can be used to emit NEC without a carrier wave. This is useful to send IR NEC commands without an infrared led directly over a wire, typically into 3.5mm / 2.5mm headphone jack.
This Arduino library can be used to emit NEC without a carrier wave. This is useful to send IR NEC commands without an infrared led directly over a wire, typically into 3.5mm / 2.5mm headphone jack.