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<time datetime="2016-06-01T18:34:00+00:00" pubdate data-updated="true"><i class="icon-calendar"></i> June 1, 2016</time>
<span class="byline author vcard"><i class='icon-user'></i> Paulus Schoutsen</span>
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<p>Our community is amazingly helpful and creative. If you haven’t been there yet, make sure to stop by our <a href="https://gitter.im/home-assistant/home-assistant">chat room</a> and come hang out with us. In this blog post I want to highlight a few recent awesome projects and videos from the community.</p>
<h3><a class="title-link" name="scenegen---cli-for-making-scenes" href="#scenegen---cli-for-making-scenes"></a> SceneGen - cli for making scenes</h3>
<p><a href="https://github.com/acockburn/scenegen">SceneGen</a> is a new command line utility developed by <a href="https://github.com/acockburn">Andrew Cockburn</a> that helps with creating scene configurations for Home Assistant. To use it, you put your house in the preferred state, run SceneGen and it will print the scene configuration for your current states.</p>
<h3><a class="title-link" name="videos" href="#videos"></a> Videos</h3>
<p><a href="https://partofthething.com">Nick Touran</a> has been working on integrating IR remotes with Home Assistant. He made it into a component which should be available in the next release which should arrive in a couple of days. In the meanwhile, he wrote up <a href="https://partofthething.com/thoughts/?p=1010">a blog post</a> and has put out a video showing the new integration, very cool!</p>
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<p>Ben from <a href="http://www.bruhautomation.com/">BRUH Automation</a> has put out another great video how to get started tracking your location in Home Assistant using MQTT and OwnTracks.</p>
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<time datetime="2016-06-08T01:06:00+00:00" pubdate data-updated="true"><i class="icon-calendar"></i> June 8, 2016</time>
<span class="byline author vcard"><i class='icon-user'></i> Paulus Schoutsen</span>
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<p>It’s time for release 0.21 and it contains massive core improvements: replacement of our home grown HTTP stack with a standardized WSGI stack. This will improve performance, speed, security and make future development of advanced HTTP features a breeze.</p>
<p>This work was driven by the amazing Josh Wright. His knowledge, high standards and drive for security has helped improve Home Assistant a lot ever since he started helping out. Hip hip hurray for Josh!</p>
<p>Alright, time for the changes:</p>
<p><img src="/images/supported_brands/enocean.png" style="clear: right; margin-left: 5px; border:none; box-shadow: none; float: right; margin-bottom: 16px;" width="150" /><img src="/images/supported_brands/osramlightify.png" style="clear: right; margin-left: 5px; border:none; box-shadow: none; float: right; margin-bottom: 16px;" width="150" /><img src="/images/supported_brands/lirc.gif" style="clear: right; margin-left: 5px; border:none; box-shadow: none; float: right; margin-bottom: 16px;" width="150" /></p>
<ul>
<li>New HTTP stack based on WSGI (<a href="https://github.com/JshWright">@JshWright</a>, <a href="https://github.com/balloob">@balloob</a>)</li>
<li>Frontend: lots of performance improvements (<a href="https://github.com/balloob">@balloob</a>)</li>
<li>Initial support for EnOcean <a href="/components/light.enocean/">lights</a>, <a href="/components/sensor.enocean/">sensors</a> and <a href="/components/switch.enocean/">switches</a> added (<a href="https://github.com/rubund">@rubund</a>)</li>
<li>Light: <a href="/components/light.osramlightify/">Osram Lightify</a> is now supported (<a href="https://github.com/olimpiurob">@olimpiurob</a>)</li>
<li>Light: <a href="/components/insteon_hub/">Insteon Hub</a> now supports brightness (<a href="https://github.com/wkonkel">@wkonkel</a>)</li>
<li>Add support for adding HA as Windows 10 tile (<a href="https://github.com/fabaff">@fabaff</a>)</li>
<li>Condition: <a href="/getting-started/scripts-conditions/#time-condition">time condition</a> can now cross midnight (<a href="https://github.com/jaharkes">@jaharkes</a>)</li>
<li>Template based sensors should now throw less warnings (<a href="https://github.com/Bart274">@Bart274</a>)</li>
<li>New <a href="/components/lirc/">LIRC component</a> allows receiving IR commands (<a href="https://github.com/partofthething">@partofthething</a>)</li>
<li>The <a href="/components/feedreader/">Feedreader</a> component will now persist data to disk to prevent duplicate events (<a href="https://github.com/shaftoe">@shaftoe</a>)</li>
<li>Sun: azimuth attribute added (<a href="https://github.com/fabaff">@fabaff</a>)</li>
<li>New <a href="/components/switch.flux/">Flux like switch platform</a> to change light intensity in the evening (<a href="https://github.com/nkgilley">@nkgilley</a>)</li>
<li>We no longer crash if you live in a part of the world where the sun never sets (<a href="https://github.com/balloob">@balloob</a>)</li>
<li>Rollershutter: <a href="/components/rfxtrx/">RFXTRX</a> now supported (<a href="https://github.com/jacobtomlinson">@jacobtomlinson</a>)</li>
<li>Switch: <a href="/components/switch.template/">Template switches</a> can now execute scripts (<a href="https://github.com/kellerza">@kellerza</a>)</li>
<li>Z-Wave: automatically heal the network at midnight (<a href="https://github.com/infamy">@infamy</a>)</li>
<li>Sensor: <a href="/components/sensor.dte_energy_bridge/">DTE Energy Bridge</a> now supported (<a href="https://github.com/kylehendricks">@kylehendricks</a>)</li>
<li>Media Player: <a href="/components/media_player.kodi/">Kodi</a> now supports different turn off commands (<a href="https://github.com/armills">@armills</a>)</li>
</ul>
<h3>Breaking Changes</h3>
<ul>
<li>Our work in the WSGI stack is not fully done yet. We still have a minor issues where retrieving the error log in the about screen can raise an encoding error</li>
<li>The API used to incorrectly accept a JSON body with form-url-encoded headers. Our cURL examples on the website used to be wrong and have <a href="/developers/rest_api/">been updated</a>.</li>
<li>Make sure your configuration.yaml file contains <code>frontend:</code> to serve the frontend</li>
</ul>
<h3>Hotfixes 0.21.1 and 0.21.2</h3>
<p>We released two hotfixes to address some issues that couldn’t wait till the next release.</p>
<h5>0.21.1 - June 12</h5>
<ul>
<li>Add eventlet to base requirements to resolve some installation issues (<a href="https://github.com/balloob">@balloob</a>)</li>
<li>GTFS will filter out routes in the wrong direction (<a href="https://github.com/imrehg">@imrehg</a>)</li>
<li>Recover from rare error condition from LIRC (<a href="https://github.com/partofthething">@partofthething</a>)</li>
<li>Z-Wave autoheal will no longer raise exception (<a href="https://github.com/balloob">@balloob</a>)</li>
<li>Alexa will now execute the script before making reply (<a href="https://github.com/balloob">@balloob</a>)</li>
<li>Fix MJPEG camera streaming (<a href="https://github.com/stjohnjohnson">@stjohnjohnson</a>)</li>
<li>Fix frontend in older browsers (<a href="https://github.com/balloob">@balloob</a>)</li>
<li>Fix history in more info dialog being cut off (<a href="https://github.com/balloob">@balloob</a>)</li>
</ul>
<h5>0.21.2 - June 15</h5>
<ul>
<li>Fix input_select calling the set_option service again when changed (<a href="https://github.com/persandstrom">@persandstrom</a>)</li>
<li>Fix more info dialog not being able to open on Safari (<a href="https://github.com/balloob">@balloob</a>)</li>
<li>Add support for OPTIONS HTTP command to get CORS working (<a href="https://github.com/JshWright">@JshWright</a>)</li>
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<time datetime="2016-06-13T01:06:00+00:00" pubdate data-updated="true"><i class="icon-calendar"></i> June 13, 2016</time>
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<p>It’s been already almost two weeks ago that a few of the Home Assistant developers headed towards Portland for <a href="https://us.pycon.org/2016/">PyCon 2016</a> - the conference about everything Python. We were there to learn all the nifty tricks to make our code better but most of all, to talk Home Automation.</p>
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Couple of Home Assistant devs. Left to right: <a href="https://github.com/balloob/">Paulus (@balloob)</a>, <a href="https://github.com/infamy/">Alex (@infamy)</a>, <a href="https://github.com/rmkraus/">Ryan (@rmkraus)</a>.
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<p>On Monday I (Paulus) gave a presentation about Home Assistant to an audience of over 400 people! It was a bit scary at first but after a couple of minutes it went all great including some great questions afterwards. Slides can be found <a href="https://docs.google.com/presentation/d/1F1pGOoSf0dD79Dl5dgys0ll7xiuIA4XiQeNeJ-xlqMg/edit">here</a> and the talk is embedded right below:</p>
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<p>One of the things that really impressed me was the amount of people that approached us to tell how they love Home Assistant, how it has replaced their previous solution, how they enjoyed contributing to Home Assistant and how helpful our community is. It makes me proud of Home Assistant and especially our community.</p>
<a name="read-more"></a>
<p>PyCon has a few great concepts that I haven’t seen at other conferences: open spaces and sprints. Open spaces give anyone the opportunity to get a room and host a session for an hour to talk about any topic. Sprints happen after the conference part of PyCon is over. For four days there are rooms available for participants to get together and hack on their favorite open source projects.</p>
<p>My talk had limited time for Q&amp;A so open spaces offered a great opportunity to get all pending questions answered and connect with the commmunity. There was more interest after the first day so we ended up hosting another open space on the second day.</p>
<blockquote class="twitter-tweet" data-lang="en"><p lang="en" dir="ltr"><a href="https://twitter.com/anschoen">@anschoen</a> <a href="https://twitter.com/home_assistant">@home_assistant</a> I&#39;m located in Detroit. I could facilitate a workshop. What are we talking (group, potential dates, etc)?</p>&mdash; Jonathan Baginski (@jbags81) <a href="https://twitter.com/jbags81/status/739057625636167680">June 4, 2016</a></blockquote>
<p>We’ve had such positive reception on our open spaces that <a href="https://github.com/jbags81/">Jonathan Baginski</a> decided to repeat it online. We will be hosting a free online webinar <a href="https://www.eventbrite.com/e/home-assistant-support-101-getting-around-in-home-assistant-tickets-25943868810">Home Assistant Support 101 - Getting around in Home Assistant</a> later this month. Make sure to RSVP.</p>
<p>After the conference part of PyCon was over we spent one extra day to host a Home Assistant sprint. This allowed us to help people get started with hacking on Home Assistant which lead to some great contributions.</p>
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Home Assistant sprint group photo.
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<p>I’ve had a really great time at PyCon. It was awesome to meet everyone in person and I hope to see many of you next year!</p>
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<p>It’s time for the 0.22 release. This was a pretty rough release cycle and we had to issue two hot fixes for our core improvements. But it seems now that all is good and a lot of people have reported that their installs are faster than ever and the occasional quirks no longer occur.</p>
<p>We are aware that our new web stack has caused issues installing Home Assistant on ARM-based platforms. This sadly includes the Raspberry Pi and Synology NAS systems. We’re working on getting to a better solution. For Raspberry Pi, the <a href="/getting-started/installation-raspberry-pi-all-in-one/">All-in-One installer</a> will take care of everything for you. We’re working on updating our <a href="/getting-started/installation-raspberry-pi/">standalone Raspberry Pi installation guide</a>.</p>
<p>There are two cool things that I want to highlight in this release. The first is Pandora support. This is based on the CLI player called pianobar. This means that your machine running Home Assistant can be connected to the speakers and provide your house with tunes.</p>
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<p>Another cool addition is the local file camera. This seems very basic at first but will allow you to generate a graph with your favorite 3rd party graphing tool and display it on your Home Assistant dashboard. We’re looking forward to see what you can do with this!</p>
<p><img src="/images/supported_brands/pandora.png" style="clear: right; margin-left: 5px; border:none; box-shadow: none; float: right; margin-bottom: 16px;" width="150" /><img src="/images/supported_brands/bt.png" style="clear: right; margin-left: 5px; border:none; box-shadow: none; float: right; margin-bottom: 16px;" width="150" /></p>
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<li>Media Player: <a href="/components/media_player.pandora/">Pandora</a> media player now supported (<a href="https://github.com/partofthething/">@partofthething</a>)</li>
<li>Device Tracker: <a href="/components/device_tracker.bt_home_hub_5/">BT Home Hub 5</a> now supported (<a href="https://github.com/lwis/">@lwis</a>)</li>
<li>Camera: New <a href="/components/camera.local_file/">local file</a> platform shows any image as camera (<a href="https://github.com/Landrash/">@Landrash</a>)</li>
<li>Add <a href="/components/media_player.sonos/">Sonos</a> snapshot and restore services (<a href="https://github.com/dansullivan86/">@dansullivan86</a>)</li>
<li>Device Tracker: <a href="/components/device_tracker.asuswrt/">AsusWRT</a> in Access Point mode now supported (<a href="https://github.com/linjef/">@linjef</a>)</li>
<li>Device Tracker: <a href="/components/device_tracker.asuswrt/">AsusWRT</a> login using public key now supported (<a href="https://github.com/mtreinish/">@mtreinish</a>)</li>
<li>Device Tracker: <a href="/components/device_tracker.asuswrt/">AsusWRT</a> protocol to use is now auto detected (<a href="https://github.com/persandstrom/">@persandstrom</a>)</li>
<li>Camera: <a href="/components/netatmo/">Netatmo</a> now supported (<a href="https://github.com/jabesq/">@jabesq</a>)</li>
<li>API documentation added in <a href="https://github.com/home-assistant/home-assistant/blob/dev/docs/swagger.yaml">Swagger.yaml format</a> (<a href="https://github.com/wind/">@wind-rider</a>)</li>
<li>Media Player: <a href="/components/media_player.cast/">Cast</a> devices can now be stopped (<a href="https://github.com/michaelarnauts/">@michaelarnauts</a>)</li>
<li>MySensors: <a href="/components/mysensors/">IR switch device</a> and service now supported (<a href="https://github.com/MartinHjelmare/">@MartinHjelmare</a>)</li>
<li>Bloomsky: <a href="/components/sensor.bloomsky/">Voltage sensor</a> now supported (<a href="https://github.com/arsaboo/">@arsaboo</a>)</li>
<li>Sensor: New <a href="/components/sensor.plex/">Plex sensor</a> monitors friends streaming from your Plex server (<a href="https://github.com/nkgilley/">@nkgilley</a>)</li>
<li>Component <a href="/components/shell_command/">shell command</a> can now use templates to render arguments (<a href="https://github.com/partofthething/">@partofthething</a>)</li>
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<li>Sensor: Support for Swiss hydrological data (<a href="https://github.com/fabaff/">@fabaff</a>)</li>
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<h3><a class="title-link" name="breaking-change" href="#breaking-change"></a> Breaking change</h3>
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<div class="code"><pre><span class="key">netatmo</span>:
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</pre></div>
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<h3><a class="title-link" name="hotfix-0221---june-20" href="#hotfix-0221---june-20"></a> Hotfix 0.22.1 - June 20</h3>
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<h1 class="title indent">Using USB webcams with Home Assistant</h1>
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<time datetime="2016-06-23T06:00:00+00:00" pubdate data-updated="true"><i class="icon-calendar"></i> June 23, 2016</time>
<span class="byline author vcard"><i class='icon-user'></i> Fabian Affolter</span>
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<p><img src="/images/blog/2016-06-cranberry/motion.png" style="clear: right; border:none; box-shadow: none; float: right; margin-bottom: 12px;" width="200" /><br />
In the past month I was thinking about ways to integrate USB webcams into Home Assistant again. The main reason was that this would give those devices a second life and enable one to benefit from low-cost video surveillance. There are a couple of options available like <a href="http://www.pygame.org/hifi.html">pygame</a> or <a href="http://www.simplecv.org/">SimpleCV</a> but I never finished something. With the <a href="https://home-assistant.io/components/camera.local_file/">Local File camera platform</a> by <a href="https://github.com/Landrash">Landrash</a> and <a href="http://lavrsen.dk/foswiki/bin/view/Motion/WebHome">motion</a> you could integrate a local USB webcam with a few very easy steps.</p>
<p>In this blog post I am using a Fedora 24 (will most likely work on other distributions too) installation with Home Assistant 0.22.1 on a Foxconn nT-330i with an old <a href="http://support.logitech.com/en_us/product/quickcam-sphere-af">Logitech QuickCam Orbit AF</a> and a <a href="http://support.logitech.com/en_us/product/hd-webcam-c270">Logitech HD Webcam C270</a>. As a start only the Quickcam is used. No multi-camera setup for now.</p>
<a name="read-more"></a>
<p>Check first if the your operating system lists your cameras.</p>
<div class="highlighter-coderay"><div class="CodeRay">
<div class="code"><pre>$ lsusb
[...]
Bus 002 Device 016: ID 046d:08cc Logitech, Inc. Mic (PTZ)
[...]
</pre></div>
</div>
</div>
<p>The camera we are going to use is available at <code>/dev/video1</code>. The C270 is the one on <code>/dev/video0</code>.</p>
<div class="highlighter-coderay"><div class="CodeRay">
<div class="code"><pre>$ ls -al /dev/video*
crw-rw----+ 1 root video 81, 0 Jun 23 08:05 /dev/video0
crw-rw----+ 1 root video 81, 1 Jun 23 08:36 /dev/video1
</pre></div>
</div>
</div>
<p>We need an additional software part to handle the cameras. <a href="http://lavrsen.dk/foswiki/bin/view/Motion/WebHome">motion</a> is capable of monitoring the video signal from USB and network cameras, do motion detection, and other nifty stuff like saving images, add text, or basic image manipulations. Make sure that you have the <a href="http://rpmfusion.org/">RPM Fusion respository</a> enabled.</p>
<div class="highlighter-coderay"><div class="CodeRay">
<div class="code"><pre>$ sudo dnf -y install motion
</pre></div>
</div>
</div>
<p>For our setup we need to modify the file <code>/etc/motion/motion.conf</code>. For now the most important parameters are <code>videodevice</code>, <code>snapshot_interval</code>, and <code>target_dir</code>. The other settings can be left to their defaults. We are going to use the device <code>/dev/video1</code>, use a 30 seconds interval, and set the path to <code>/tmp</code>.</p>
<div class="highlighter-coderay"><div class="CodeRay">
<div class="code"><pre>[...]
###########################################################
# Capture device options
############################################################
# Videodevice to be used for capturing (default /dev/video0)
# for FreeBSD default is /dev/bktr0
videodevice /dev/video1
[..]
############################################################
# Snapshots (Traditional Periodic Webcam File Output)
############################################################
# Make automated snapshot every N seconds (default: 0 = disabled)
snapshot_interval 30
[...]
############################################################
# Target Directories and filenames For Images And Films
# For the options snapshot_, picture_, movie_ and timelapse_filename
# you can use conversion specifiers
# %Y = year, %m = month, %d = date,
# %H = hour, %M = minute, %S = second,
# %v = event, %q = frame number, %t = thread (camera) number,
# %D = changed pixels, %N = noise level,
# %i and %J = width and height of motion area,
# %K and %L = X and Y coordinates of motion center
# %C = value defined by text_event
# Quotation marks round string are allowed.
############################################################
# Target base directory for pictures and films
# Recommended to use absolute path. (Default: current working directory)
target_dir /tmp
[...]
</pre></div>
</div>
</div>
<p>It’s suggested that you adjust at least <code>width</code> and <code>height</code> to get a bigger image from your camera. If you are done, fire up <code>motion</code>.</p>
<div class="highlighter-coderay"><div class="CodeRay">
<div class="code"><pre>$ sudo motion
[0] [NTC] [ALL] conf_load: Processing thread 0 - config file /etc/motion/motion.conf
[0] [ALR] [ALL] conf_cmdparse: Unknown config option &quot;sdl_threadnr&quot;
[0] [NTC] [ALL] motion_startup: Motion 3.3.0 Started
[0] [NTC] [ALL] motion_startup: Logging to file (/var/log/motion.log)
</pre></div>
</div>
</div>
<p>Your <code>target_dir</code> will start filling up with images from your camera. <code>motion</code> will create a symlink called <code>lastsnap.jpg</code> which always point to the latest snapshot. We will setup the <a href="https://home-assistant.io/components/camera.local_file/">Local File camera platform</a> to use this file.</p>
<div class="highlighter-coderay"><div class="CodeRay">
<div class="code"><pre><span class="key">camera</span>:
- <span class="string"><span class="content">platform: local_file</span></span>
<span class="key">name</span>: <span class="string"><span class="content">Cranberry cam</span></span>
<span class="key">file_path</span>: <span class="string"><span class="content">/tmp/lastsnap.jpg</span></span>
</pre></div>
</div>
</div>
<p class="img">
<img src="/images/blog/2016-06-cranberry/cam.png" />
The “Cranberry cam” in action
</p>
<p>The machine with the attached USB camera will become a webcam server as well because <code>motion</code>’s built-in HTTP server is enabled by default. This means that you could connect your USB webcams to a different machine in your network, run <code>motion</code> there, adjust your firewall rules, and use Home Assistant to display the videos. Just check http://[IP of your webcam host]:8081/ to see the stream. This required more powerful hardware than using snapshots, of course.</p>
<p>In a scenario like this needs a <a href="https://home-assistant.io/components/camera.mjpeg/">Generic MJPEG IP Camera </a> in your <code>configuration.yaml</code> file.</p>
<div class="highlighter-coderay"><div class="CodeRay">
<div class="code"><pre><span class="key">camera</span>:
- <span class="string"><span class="content">platform: mjpeg</span></span>
<span class="key">mjpeg_url</span>: <span class="string"><span class="content">http://[IP of your webcam host]:8081</span></span>
<span class="key">name</span>: <span class="string"><span class="content">Cranberry Live cam</span></span>
</pre></div>
</div>
</div>
<p><a href="http://lavrsen.dk/foswiki/bin/view/Motion/WebHome">motion</a> is a powerful tool and this blog post only showed two very simple use cases. Take a look at the <a href="http://www.lavrsen.dk/foswiki/bin/view/Motion/MotionGuide">documentation</a> of <code>motion</code> to unleash its potential.</p>
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