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[OpenWrt Wiki] LIRC audio_alsa
https://openwrt.org/docs/guide-user/hardware/lirc-audio_alsa
LIRC audio_alsa LIRC is a package that allows you to decode and send infra-red signals of many (but not all) commonly used remote controls. Be aware you'll need a sound card with microphone input. A cheap usb sound card can do the job. The audio_alsa module lets you to use a soundcard input to receive infrarred signals. The basic idea is that the output of the IR module …
LIRC - Linux Infrared Remote Control
https://www.lirc.org/audio-alsa.html
LIRC - Linux Infra-red 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.
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/table.html
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