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[OpenWrt Wiki] LIRC audio_alsa
https://openwrt.org/docs/guide-user/hardware/lirc-audio_alsa#:~:text=LIRC%20is%20a%20package%20that%20allows%20you%20to,use%20a%20soundcard%20input%20to%20receive%20infrarred%20signals.
How to connect an IR receiver to an audio card - LIRC
https://www.lirc.org/ir-audio.html
What is it. This is perhaps the simplest and cheapest homebrew IR receiverhardware for PC that can be built ever. It uses just one piece: a IRmodule (any, more details on them can be found on lirc home page) anda (very) optional diode. The schematics. The basic idea is that the output of the IR module (somewhere inthe range from 0 to ~3-4V) can be limited by using the …
[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.
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]. Examples:
Lirc transmission failed | über 80%
https://mindezsogni.com/questions/tagged/lirc?sort=votesnjeydv20590w3--
After some googling I found that the IR entries in /boot/config.txt changed from: dtoverlay=lirc-rpi dtparam=gpio_in_pin=24 dtparam=gpio_out_pin=22 to: dtoverlay=gpio-ir,gpio_pin=24 I added the line dtoverlay=gpio-ir-tx,gpio_pin=22 in the hopes to enable sending again, without success..
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