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IR Remote Control with Lirc
#31
Andreas, it depends on the HiFiBerry dac.... many HiFiBerry Hat boards have duplicate holes that another gpio strip can be soldered to.
https://www.modmypi.com/wire-solder-and-...pin-2-x-20

There are also duplicator boards, a sort of "in-the middle-connector"
https://www.element14.com/community/docs...8#overview

As to which pins are available for the remote you should check with HiFiBerry for your chosen board.
https://support.hifiberry.com/hc/en-us
Here is an example...
https://support.hifiberry.com/hc/en-us/c...te-control-

The remote receiver uses 3 pins... power @ 3.3 volts, ground, and a signal pin...(often gpio pin 27)

The ground and 3.3v shouldn't be a problem but check the current useage of the  HiFiBerry Hat as there is a current limit on the 3.3v pin. (There is a work-around using the 5v gpio pin and a regulator. If you need that let me know and I can post details)

Bob
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bob
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#32
(03-19-2019, 02:21 AM)DRONE7 Wrote: Andreas, it depends on the HiFiBerry dac.... many HiFiBerry Hat boards have duplicate holes that another gpio strip can be soldered to.
https://www.modmypi.com/wire-solder-and-...pin-2-x-20

There are also duplicator boards, a sort of "in-the middle-connector"
https://www.element14.com/community/docs...8#overview

As to which pins are available for the remote you should check with HiFiBerry for your chosen board.
https://support.hifiberry.com/hc/en-us
Here is an example...
https://support.hifiberry.com/hc/en-us/c...te-control-

The remote receiver uses 3 pins... power @ 3.3 volts, ground, and a signal pin...(often gpio pin 27)

The ground and 3.3v shouldn't be a problem but check the current useage of the  HiFiBerry Hat as there is a current limit on the 3.3v pin. (There is a work-around using the 5v gpio pin and a regulator. If you need that let me know and I can post details)

Bob

Ah great
thx a lot for the eye-opener.
I saw these "holes" but had not thought of soldering .. still too much used to plug and play Smile
Great, I will find my way - the deeper I look into Pi and the possibilities the more I like it - 


Enjoy music and Pi-ing
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#33
Quote:still too much used to plug and play [Image: smile.png]

and the "in-the middle-connector" is the plug-n-play option for those that don't want to solder.. Wink


https://www.element14.com/community/docs...8#overview

note that any soldering on HiFiBerry boards voids the warranty... Sad
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bob
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#34
Just scratching my head for hours now and still can not work out what is going on here Huh

So installed the latest moOde 5 and can not make lirc working. After few hours I have realised that the lirc0 is missing under /dev.
Anyone any idea what is going on? Reading on net it may be an issue with the kernel?
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#35
(04-15-2019, 12:34 PM)rikardo1979 Wrote: Just scratching my head for hours now and still can not work out what is going on here Huh

So installed the latest moOde 5 and can not make lirc working. After few hours I have realised that the lirc0 is missing under /dev.
Anyone any idea what is going on? Reading on net it may be an issue with the kernel?

The same for me....
After I installed LIRC, I'm missing in / dev / lirc0
Uninstalled / Installed .. The same effect ..
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#36
(04-15-2019, 01:11 PM)Cardone Wrote:
(04-15-2019, 12:34 PM)rikardo1979 Wrote: Just scratching my head for hours now and still can not work out what is going on here Huh

So installed the latest moOde 5 and can not make lirc working. After few hours I have realised that the lirc0 is missing under /dev.
Anyone any idea what is going on? Reading on net it may be an issue with the kernel?

The same for me....
After I installed LIRC, I'm missing in / dev / lirc0
Uninstalled / Installed .. The same effect ..

At least now I know I am not alone in this Smile
But still can not figure out what is going on or how to fix it...
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~~~~>>>Please always follow rules and read before you post<<<~~~~

</marquee>
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#37
Perhaps because of this: Using LIRC with Kernel 4.19.x?

Regards,
Kent
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#38
(04-15-2019, 01:45 PM)TheOldPresbyope Wrote: Perhaps because of this: Using LIRC with Kernel 4.19.x?

Regards,
Kent

Thank you....

I will try it today
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#39
So the solution was very simple at the end :Big Grin

There is a change in latest 4.19.x kernel 

All what's needed after all is todo a change in /boot/config.txt

from original
Code:
dtoverlay=lirc-rpi,gpio_in_pin=4


to
Code:
dtoverlay=gpio-ir,gpio_pin=4


This is related to my lirc use on my RaspDAC Mini streamer

Hope this helps to others
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#40
(04-16-2019, 10:19 AM)rikardo1979 Wrote: So the solution was very simple at the end :Big Grin

Thanks rikardo1979, but not quite simple. Now I see /dev/lirc0 again but it won't recognize any remote codes (pulse). What am I missing?

edit: sorry, ignore it, typo again. Smile
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