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How to connect an IR receiver to an audio card - LIRC

    https://www.lirc.org/ir-audio.html
    It uses just one piece: a IR module (any, more details on them can be found on lirc home page) and a (very) optional diode. The schematics The basic idea is that the output of the IR module (somewhere in the range from 0 to ~3-4V) can be limited by using the attenuator built into every audio-card (also known as "mixer sliders").

LIRC - Linux Infrared Remote Control

    https://www.lirc.org/html/audio.html
    Compile LIRC with the audio driver (not the IR diode or alsa ones) and install it as usual. Connect the circuit to the sound-card and set the volume to the maximum level. Start lircd, the -d flag can be used to select the audio device and/or sample-rate, the syntax is api:device[@samplerate[:latency]] or @samplerate[:latency] .

LIRC - Linux Infrared Remote Control

    https://www.lirc.org/html/audio-alsa.html
    LIRC - Linux Infrared Remote Control. Using the ALSA audio IR receiver driver Hardware. This driver supports the IR-audio IR receiver module. A more detailed description of how to build and set up the hardware can be found by following the link. How to use ALSA.

LIRC - Linux Infrared Remote Control

    https://www.lirc.org/html/table.html
    135 rows

LIRC - Linux Infrared Remote Control

    https://lirc.org/
    However, LIRC offers more flexibility and functionality and is still the right tool in a lot of scenarios. The most important part of LIRC is the lircd daemon which decodes IR signals received by the device drivers and provides the information on a socket.

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