In this tutorial I hope to convince you that this is the ultimate universal remote built using a raspberry pi.

LIRC is the perfect for this job. It simplifies many of the more difficult tasks that we need to accomplish.

Step 1: Parts

Step 2: Setting Up the Software

There are a lot of steps in this that I will try to explain.

(Most of this step is from: http://alexba.in/blog/2013/01/06/setting-up-lirc-on-the-raspberrypi/ )

For the sake of this tutorial i'm assuming this is on a clean Raspbian image.

     sudo apt-get upgrade
     sudo apt-get update

Install LAMP

     sudo apt-get install apache2 php5 mysql-client mysql-server tomcat6 vsftpd

Install LIRC

     sudo apt-get install lirc

Set up the GPIO pins (remember this for later if you want to use other pins)

     sudo nano /etc/modules

Add these 2 lines to the bottom of the file

     lirc_rpi gpio_in_pin=23 gpio_out_pin=22

(CONTROL + C will save and exit)

Configure the hardware file.

     sudo nano /etc/lirc/hardware.conf

Erase the contents and paste this file

# /etc/lirc/hardware.conf
# Arguments which will be used when launching lircd

# Don't start lircmd even if there seems to be a good config file

# Don't start irexec, even if a good config file seems to exist.

# Try to load appropriate kernel modules

# Run "lircd --driver=help" for a list of supported drivers.

# usually /dev/lirc0 is the correct setting for systems using udev

# Default configuration files for your hardware if any

Reboot the Pi

     sudo reboot

Step 3: Making LIRC Files

Wire the IR sensor to the PI with the 3 Pin to the same GPIO In pin that you defined in step 2 in the /etc/modules file

Run the command and press remote buttons at the sensor and you should get some feedback

sudo /etc/init.d/lirc stop
mode2 -d /dev/lirc0

(CONTROL + C to stop)

Next we run the fallowing command wile in the pi directory to record the remote commands

irrecord -d /dev/lirc0 ~/out.conf

Fallow the instructions provided

When it asks for key names you must use the predefined names. To get the names I like to open a new window and run the command.

irrecord --list-namespace

Once you have finished recording, open out.conf

sudo nano out.conf

copy from "begin remote" all the way to "end remote" and open /etc/lirc/lircd.conf

sudo nano /etc/lirc/lircd.conf

Erase the content and paste the code and save.

Assign a name to the remote by replacing the line in the .conf that has a file path after NAME:

Repeat this for all the remotes you want to use

Reboot the Pi

sudo reboot

Step 4: Building the Board

The idea here is to build the circuit form the schematic above (the nice one) and replace the LEDs with an IR emitter instead. As you can see in the circuit above (the bad one) the tip of the headphone board is +5v and one of the rings must be connected to the transistor. The Pi does not go fast enough to run the LED itself It must have the transistor to work.

I started by soldering 2 female headers side by side on a perf board.

Then I added the circuit and trimmed the excess perf board off.

Step 5: Now What?

Now is the fun part.

execute remote command to devices with lines like

irsend SEND_ONCE device KEY_POWER

(device being the name you assigned to it)


Having a raspberry pi so close to you entertainment center with the ability to turn itself on is a great place to start.

I have set up a MySQL DB and written a PHP file to execute these. Then made a simple HTML page to call these PHP files.

You could write a batch file run a sequence of commands.

I plan to write an App on my phone that will control everything.

The possibilities are endless

As requested here are my html and php files. The SQL is a simple table with 3 fields.
The first field is the device name.
The second field is the command I give the PHP file.
The third is the key that is executed (KEY_POWER).
These files will not work with your setup but they are a good place to start

If you enjoyed this tutorial please vote for it!
<p>thanks for above text.i want to know how can we use above thing in a c program that is how can i use irsend command in my c program</p>
<p>i would like to register another control, include that i alredy have, but i'm can't do it... could you please help me?!</p>
<p>Sir could you provide a screen shot of the database and the table which is used by the php please ? i just want to see the way the commands are saved there, this is the only part am missing so far to complete the project, please help you could send it to me by mail or here itself please ?!<br>thank you :)</p>
<p>hello sir :)<br>can you provide me with a screen shot of youre DB or can you provide me with a .sql file, everything works fine and i already have a website hosted on my pi and wanted to add a page to control my TV over the web :) please help sir<br>thank you</p>
<p>Hi, Been having a problem for days getting LIRC installed and running. </p><p>apt-get install lirc everything seems fine</p><p>Modified the hardware.conf and /etc/modules as per you instructions</p><p>mode2 -d /dev/lirc0 this reports an error</p><p>mode2 -d /dev/lirc0<br>mode2: could not get file information for /dev/lirc0<br>mode2: default_init(): No such file or directory<br>root@raspberrypi:/etc/lirc#</p><p> Also</p><p>root@raspberrypi:/etc/lirc# irrecord -d /dev/lirc0 ~/out.con<br><br>irrecord - application for recording IR-codes for usage with lirc<br><br>Copyright (C) 1998,1999 Christoph Bartelmus(lirc@bartelmus.de)<br><br>irrecord: could not get file information for /dev/lirc0<br>irrecord: default_init(): No such file or directory<br>irrecord: could not init hardware (lircd running ? --&gt; close it, check permissions)<br>root@raspberrypi:/etc/lirc#</p><p>FYI</p><p>root@raspberrypi:/etc/lirc# /etc/init.d/lirc start<br>[ ok ] No valid /etc/lirc/lircd.conf has been found..<br>[ ok ] Remote control support has been disabled..<br>[ ok ] Reconfigure LIRC or manually replace /etc/lirc/lircd.conf to enable..</p><p>Running jessie with latested updates banging my head</p><p>please help</p>
<p>Maybe you have another number, not /dev/lirc0, but something else?<br>What do you have in /dev/?<br><br>In my case, I had to manually create a symlink to /dev/lirc0, otherwise /dev/lirc was not present in the system:<br>sudo ln -s /dev/lirc0 /dev/lirc</p>
<p>Note that you've linked to a PNP transistor part at Sparkfun but your circuit diagram shows an NPN.</p>
<p>Does anyone know what is correct transistor for this - PNP or NPN?</p>
<p>From the way the LEDs are wired, should be NPN.</p>
<p>I face some problem while creating lircd.conf file using</p><p> irrecord -d /dev/lirc0 ~/lircd.conf</p><p>Then, I followed steps in link: </p><p><a href="http://www.ocinside.de/html/modding/linux_ir_irrecord_guide.html" rel="nofollow">http://www.ocinside.de/html/modding/linux_ir_irrec...</a></p><p>Note: Start with power button when create dots (2 X80).</p>
<p>Hi,<br>Thank you for the nice writeup. I having problem to send IRSEND via the web interface. Can you help me to create a 6 button remote?<br><br>I have followed your Lirc installation and manage to get it working via the command line. IRSEND -#5 send_once sony key_up ; is good.<br><br>Just want to get my html and php to work. Thank you.</p>
<p>I have had a setup like this up and running for over a year. I used LIRC and Webiopi to develop a web based home automation system that controls my home theater system. Initially I had issues with wifi dropping every couple of days and then had issues with SD card corruption. I think both of these were cause by not having a big enough power supply. I recently created a board and kit that can drive seven IR LEDs and has a receiver to make it really easy to build. Even after the electronics are assembled it can take some time to get all of the codes programmed. You can buy the kit it here. <a href="http://www.slimbots.com" rel="nofollow">http://www.slimbots.com</a></p>
<p>I followed the Complete Process But as i stop lirc :</p><p>pi@raspberrypi ~ $ sudo /etc/init.d/lirc start</p><p>[ ok ] No valid /etc/lirc/lircd.conf has been found..</p><p>[ ok ] Remote control support has been disabled..</p><p>[ ok ] Reconfigure LIRC or manually replace /etc/lirc/lircd.conf to enable..</p><p>This is coming . i changed the Hardware.conf file and added those two lines in modules as well. . </p><p>pi@raspberrypi ~ $ sudo /etc/init.d/lirc stop</p><p>pi@raspberrypi ~ $ mode2 -d /dev/lirc0</p><p>mode2: could not get file information for /dev/lirc0</p><p>mode2: default_init(): No such file or directory</p><p>When i run this command it is showing this. Can u please Help me. lirc/devo is not created. . . What to do with this ??? Please help me urgent. </p>
<p>Parts list links are no longer working... how about digikey? (and perhaps part numbers on build list just in case links break again)</p><p>Thanks</p>
<p>remove the bracket &quot; ) &quot; from the end of the link...</p>
<p>Why can't i create a lircd.conf for a remote?</p><p>RC-6 remote controle found.</p><p>Found possible header: 226 762</p><p>Header is not being repeated.</p><p>No repeat code found.</p><p>Signals are biphase encoded.</p><p>Signal length is 23</p><p>Checking for toggle bit kask.</p><p>Please press blah blah.......</p><p>Press RETURN to continue.</p><p>And then right after pressing a button it tells me:</p><p>No toggle bit mask found.</p><p>But I know for sure that RC6 has a toggle bit!</p><p>And the program stops and no file is made. The remote is for a arcadyan model HMB2260.</p><p>This box controles my digital tv so with out it my remote controle setup is useless</p><p>Please can some one help, google doesn't seem to be much of a help! </p>
<p>how did you configure the emitter, i wire it as you show but i cant make it work. it just blink but doesnt turn on of off anything</p>
<p>I tried to make this /etc/lirc/lircd.conf file by downloading and concatenating all remote control files that you can find (also on the lirc website). But I never got it to work. Maybe you post your /etc/lirc/lircd.conf file and we can see where the problem is.</p><p>THANKS</p><p> -M</p>
<p>i want to configure my remote,and make an entry in one file.</p><p>how i will do it.</p><p>if any one know than plz help me.</p>
<p>i want to configure my remote,and make an entry in one file.</p><p>how i will do it.</p><p>if any one know than plz help me.</p>
<p>i want to configure my remote,and make an entry in one file.</p><p>how i will do it.</p><p>if any one know than plz help me.</p>
<p>i want to configure my remote,and make an entry in one file.</p><p>how i will do it.</p><p>if any one know than plz help me.</p>
<p>i want to configure my remote,and make an entry in one file.</p><p>how i will do it.</p><p>if any one know than plz help me.</p>
<p>i want to configure my remote,and make an entry in one file.</p><p>how i will do it.</p><p>if any one know than plz help me.</p>
<p>IR Sensor spec</p><p>Leftmost pin=1, just as the image in this post</p><p>Pin1 Output (connect to the GPIO-input)</p><p>Pin2 GND</p><p>Pin3 Vcc</p>
<p>Given the steps above, installation of tomcat6 failed because it couldn't find the jdk. It could have been something I did by mistake - I'm working with two keyboards/mice on two different systems at the same time and I accidentally typed on the Raspbian keyboard during the lamp install. In any case, if somebody sees a failure in the Tomcat6 install related to JDK not found, this is how I fixed it:</p><p>sudo apt-get install default-jdk</p><p>sudo apt-remove tomcat6</p><p>sudo apt-install tomcat6</p><p>This is my first Raspberry Pi project and I'm really enjoying it.</p>
<p>Thanks for this, I had the same error with JDK. You made a slight typo with the commands though, should be:</p><p>sudo apt-get remove tomcat6</p><p>sudo apt-get install tomcat6</p><p>You missed out &quot;get&quot;</p>
<p>For those having problems with the links, remove the bracket &quot; ) &quot; from the end of the link...</p>
Hey i am also in Toronto. Very cool projects you have. Would you be i nterested In a paid project? Need something done right away.
<p>Alright. They work now</p>
it's good but please share your files for the web server ( sql and php along with the html )
<p>I just posted them on the last step</p>
Hey it say error 403 , please fix it
Thank you
<p>May be you should change attachments to txt file.</p><p>now those doesnt work: </p><p>403 Forbidden<br>Request forbidden by administrative rules.</p>

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