{"id":9,"date":"2011-07-09T06:50:11","date_gmt":"2011-07-09T06:50:11","guid":{"rendered":"http:\/\/swf.com.tw\/en\/?p=9"},"modified":"2011-08-05T15:08:26","modified_gmt":"2011-08-05T15:08:26","slug":"create-a-lego-ir-remote-transmitter-with-headphone-jack-for-sony-nex-5","status":"publish","type":"post","link":"https:\/\/swf.com.tw\/en\/create-a-lego-ir-remote-transmitter-with-headphone-jack-for-sony-nex-5\/","title":{"rendered":"Create a LEGO IR Remote Transmitter with headphone jack for Sony NEX-5"},"content":{"rendered":"

Editor:<\/strong> Jim kajpust<\/a><\/p>\n

I made an IR remote controller for NEX-5. Here is the picture:<\/p>\n

\"IR<\/p>\n

It’s actually a “sound wave to infrared signal converter<\/strong>“. Before using it to control the NEX-5, you’ll have to “record” the IR signal and convert it into a sound wave. For more information about the IR recording process, please read this blog: “World’s cheapest remote control replicator: just 1$ !’ by jumpjack<\/a>“.<\/p>\n

\"IR<\/p>\n

I’ve already recorded the shutter release and the 2 second delay shutter release signal in WAV, AIFF and MP3 format (here is the zip compressed file<\/a>). You can play back the sound file from any MP3 player, iPod\/iPhone\/iPad, Android phone, PSP,\u2026 to control your NEX-5.<\/p>\n

Here is how the sound file looks like on the HTC Desire android phone:<\/p>\n

\"use<\/p>\n

Of course, this “controller” can be used to control almost any IR device, as long as you have the proper IR signal in sound wave format.<\/p>\n

The schematic of the IR transmitter with \u00a0headphone jack is pretty simple, you only need two IR LEDs ( I got those from old remote controllers), and one stereo audio plug or jack:<\/p>\n

\"IR<\/p>\n

By the way, there’s a problem with the IR port. If someone nearby is using a remote controller, your device might also react to the controller. That’s not good. Therefore, I think it’s better to make sure your controller is the only one that is commanding the device. My solution is simple: use a LEGO brick to cover the IR port, so it will not be interfered by other controllers.<\/p>\n

Fortunately, the IR port on NEX-5 is just about the height of one LEGO brick:<\/p>\n

\"IR<\/p>\n

We can put the IR LEDs below one brick, that’s the exact location of the IR sensor.<\/p>\n

Here are the parts I use:<\/p>\n

\"IR<\/p>\n

Here are the construction steps:<\/p>\n

Solder the IR LEDs to audio jack:<\/p>\n

\"Solder<\/p>\n

The other side view:<\/p>\n

\"Solder<\/p>\n

Put them into one brick and stuff a small piece of eraser into the empty space behind the audio jack.<\/p>\n

\"Put<\/p>\n

Finally, connect a stereo cable to the LEGO IR controller and MP3 player or a countdown timer application.<\/p>\n

\"IR<\/p>\n

Here is the rear view of the construction:<\/p>\n

\"IR<\/p>\n

I tried to connect the IR controller with a stereo Bluetooth headset to control NEX-5 wireless; however, it doesn’t work \ud83d\ude41<\/p>\n

\"IR<\/p>\n

The ping pong ball diffuser is a replica of the idea from virodri in dpreview foruum<\/a>, and it works great!<\/p>\n

A simple Time-lapse solution and Long Exposure solution<\/h2>\n

If you want to take a series of time-lapse photos, such as taking photos every 5 seconds, you can use a Sound Editing tool, like the free and open source Audacity<\/a>, to add 5 seconds of silence (no sound) at the end of the IR sound wave.<\/p>\n

After that, use your MP3 device to loop-play the sound wave… tadaaa, you just made a time-lapse remote controller!<\/p>\n

For a long exposure, just set the alarm clock sound effect of your iPod or mobile phone to the IR wave file.<\/p>\n

And finally, I’ve made a EVILRemote controller for the Android phone<\/a> (Android 2.2 and above is required) which has to use with is IR device. The app is free and open source and you can compile the source code into iPhone \/ iPod touch app.<\/p>\n

Have fun!<\/p>\n","protected":false},"excerpt":{"rendered":"

I’ve already recorded the shutter release and the 2 second delay shutter release signal in WAV, AIFF and MP3 format (here is the zip compressed file). You can play back the sound file from any MP3 player, iPod\/iPhone\/iPad, Android phone, PSP,\u2026 to control your Sony NEX-5 camera.<\/p>\n

\"IR<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4,3],"tags":[8,6,5],"class_list":["post-9","post","type-post","status-publish","format-standard","hentry","category-camera-and-camcorder","category-diy-and-hardware","tag-ir-transmitter","tag-lego","tag-sony-nex"],"yoast_head":"\nCreate a LEGO IR Remote Transmitter with headphone jack for Sony NEX-5 - Protag Multimedia<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/swf.com.tw\/en\/create-a-lego-ir-remote-transmitter-with-headphone-jack-for-sony-nex-5\/\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"cubie\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/swf.com.tw\/en\/create-a-lego-ir-remote-transmitter-with-headphone-jack-for-sony-nex-5\/\",\"url\":\"https:\/\/swf.com.tw\/en\/create-a-lego-ir-remote-transmitter-with-headphone-jack-for-sony-nex-5\/\",\"name\":\"Create a LEGO IR Remote Transmitter with headphone jack for Sony NEX-5 - 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