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johnrees committed Mar 3, 2014
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4 changes: 4 additions & 0 deletions 2014.html
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Expand Up @@ -23,6 +23,10 @@ <h1>Archive for

<ul>

<li><a href="/2014/03/02/3d-printing.html">3D Printing</a> <span>Mar 2</span></li>

<li><a href="/2014/03/01/strandbeest.html">Strandbeest</a> <span>Mar 1</span></li>

<li><a href="/2014/02/24/algodoo.html">Algodoo</a> <span>Feb 24</span></li>

<li><a href="/2014/02/23/joystick.html">Joystick</a> <span>Feb 23</span></li>
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35 changes: 35 additions & 0 deletions 2014/03.html
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<!DOCTYPE html>
<html>
<head>
<meta charset='utf-8'>
<meta content='IE=edge;chrome=1' http-equiv='X-UA-Compatible'>
<title>
OFFRobot
</title>
<link href='/stylesheets/application.css' rel='stylesheet' type='text/css'>
</head>
<body>
<div id='container'>
<header>
<span class='title'>OFFRobot</span>
</header>
<div id='main' role='main'>
<h1>Archive for

Mar 2014

</h1>


<ul>

<li><a href="/2014/03/02/3d-printing.html">3D Printing</a> <span>Mar 2</span></li>

<li><a href="/2014/03/01/strandbeest.html">Strandbeest</a> <span>Mar 1</span></li>

</ul>
</div>
</div>
</body>
</html>
<script async src="//platform.twitter.com/widgets.js" charset="utf-8"></script>
33 changes: 33 additions & 0 deletions 2014/03/01.html
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<!DOCTYPE html>
<html>
<head>
<meta charset='utf-8'>
<meta content='IE=edge;chrome=1' http-equiv='X-UA-Compatible'>
<title>
OFFRobot
</title>
<link href='/stylesheets/application.css' rel='stylesheet' type='text/css'>
</head>
<body>
<div id='container'>
<header>
<span class='title'>OFFRobot</span>
</header>
<div id='main' role='main'>
<h1>Archive for

Mar 1 2014

</h1>


<ul>

<li><a href="/2014/03/01/strandbeest.html">Strandbeest</a> <span>Mar 1</span></li>

</ul>
</div>
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</body>
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24 changes: 24 additions & 0 deletions 2014/03/01/strandbeest.html
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<!DOCTYPE html>
<html>
<head>
<meta charset='utf-8'>
<meta content='IE=edge;chrome=1' http-equiv='X-UA-Compatible'>
<title>
OFFRobot - Strandbeest
</title>
<link href='/stylesheets/application.css' rel='stylesheet' type='text/css'>
</head>
<body>
<div id='container'>
<header>
<span class='title'>OFFRobot</span>
</header>
<div id='main' role='main'>
<p>This was one of the clips that was at the back of my mind when I entered this competition.</p>

<iframe width="420" height="315" src="//www.youtube.com/embed/adm72GaaCJ8" frameborder="0" allowfullscreen=""></iframe>
</div>
</div>
</body>
</html>
<script async src="//platform.twitter.com/widgets.js" charset="utf-8"></script>
33 changes: 33 additions & 0 deletions 2014/03/02.html
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<!DOCTYPE html>
<html>
<head>
<meta charset='utf-8'>
<meta content='IE=edge;chrome=1' http-equiv='X-UA-Compatible'>
<title>
OFFRobot
</title>
<link href='/stylesheets/application.css' rel='stylesheet' type='text/css'>
</head>
<body>
<div id='container'>
<header>
<span class='title'>OFFRobot</span>
</header>
<div id='main' role='main'>
<h1>Archive for

Mar 2 2014

</h1>


<ul>

<li><a href="/2014/03/02/3d-printing.html">3D Printing</a> <span>Mar 2</span></li>

</ul>
</div>
</div>
</body>
</html>
<script async src="//platform.twitter.com/widgets.js" charset="utf-8"></script>
34 changes: 34 additions & 0 deletions 2014/03/02/3d-printing.html
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<!DOCTYPE html>
<html>
<head>
<meta charset='utf-8'>
<meta content='IE=edge;chrome=1' http-equiv='X-UA-Compatible'>
<title>
OFFRobot - 3D Printing
</title>
<link href='/stylesheets/application.css' rel='stylesheet' type='text/css'>
</head>
<body>
<div id='container'>
<header>
<span class='title'>OFFRobot</span>
</header>
<div id='main' role='main'>
<p>So today I started to replace plywood components with PLA. It made a big improvement to the sturdiness of the model.</p>

<p><img alt="robot" src="http://i.imgur.com/6UDYlrm.jpg" /></p>

<p>Before RobotChallenge I will redesign the gear system as the motors are having a lot of trouble powering the movement of the legs. Now that I have access to a printer I can make much finer teeth on the spur gears, and even have them at angles as shown below.</p>

<p><img alt="gears" src="http://i.imgur.com/uYNg3gs.jpg" /></p>

<p>I plan on making the central gear much smaller than it is now, and the two gears connected to the legs much larger. This will increase the torque of the system and mean that the legs move at a slower, more controlled pace.</p>

<p>I also plan on changing the gait (walk-cycle) of the robot. Right now it looks a bit frantic! If only I had simulation software like Disney Research's…</p>

<iframe width="560" height="315" src="//www.youtube.com/embed/DfznnKUwywQ?list=UUM42XWqRoruK6bNkgbgoJMw" frameborder="0" allowfullscreen=""></iframe>
</div>
</div>
</body>
</html>
<script async src="//platform.twitter.com/widgets.js" charset="utf-8"></script>
81 changes: 39 additions & 42 deletions feed.xml
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<id>http://blog.url.com/</id>
<link href="http://blog.url.com/"/>
<link href="http://blog.url.com/feed.xml" rel="self"/>
<updated>2014-02-24T00:00:00Z</updated>
<updated>2014-03-02T00:00:00Z</updated>
<author>
<name>Blog Author</name>
</author>
<entry>
<title>3D Printing</title>
<link rel="alternate" href="http://blog.url.com/2014/03/02/3d-printing.html"/>
<id>http://blog.url.com/2014/03/02/3d-printing.html</id>
<published>2014-03-02T00:00:00Z</published>
<updated>2014-03-03T01:53:27+01:00</updated>
<author>
<name>Article Author</name>
</author>
<content type="html">&lt;p&gt;So today I started to replace plywood components with PLA. It made a big improvement to the sturdiness of the model.&lt;/p&gt;

&lt;p&gt;&lt;img alt="robot" src="http://i.imgur.com/6UDYlrm.jpg" /&gt;&lt;/p&gt;

&lt;p&gt;Before RobotChallenge I will redesign the gear system as the motors are having a lot of trouble powering the movement of the legs. Now that I have access to a printer I can make much finer teeth on the spur gears, and even have them at angles as shown below.&lt;/p&gt;

&lt;p&gt;&lt;img alt="gears" src="http://i.imgur.com/uYNg3gs.jpg" /&gt;&lt;/p&gt;

&lt;p&gt;I plan on making the central gear much smaller than it is now, and the two gears connected to the legs much larger. This will increase the torque of the system and mean that the legs move at a slower, more controlled pace.&lt;/p&gt;

&lt;p&gt;I also plan on changing the gait (walk-cycle) of the robot. Right now it looks a bit frantic! If only I had simulation software like Disney Research's…&lt;/p&gt;

&lt;iframe width="560" height="315" src="//www.youtube.com/embed/DfznnKUwywQ?list=UUM42XWqRoruK6bNkgbgoJMw" frameborder="0" allowfullscreen=""&gt;&lt;/iframe&gt;
</content>
</entry>
<entry>
<title>Strandbeest</title>
<link rel="alternate" href="http://blog.url.com/2014/03/01/strandbeest.html"/>
<id>http://blog.url.com/2014/03/01/strandbeest.html</id>
<published>2014-03-01T00:00:00Z</published>
<updated>2014-03-03T01:36:35+01:00</updated>
<author>
<name>Article Author</name>
</author>
<content type="html">&lt;p&gt;This was one of the clips that was at the back of my mind when I entered this competition.&lt;/p&gt;

&lt;iframe width="420" height="315" src="//www.youtube.com/embed/adm72GaaCJ8" frameborder="0" allowfullscreen=""&gt;&lt;/iframe&gt;
</content>
</entry>
<entry>
<title>Algodoo</title>
<link rel="alternate" href="http://blog.url.com/2014/02/24/algodoo.html"/>
Expand Down Expand Up @@ -97,47 +135,6 @@
<name>Article Author</name>
</author>
<content type="html">&lt;p&gt;I'm going to be away until 27th Feb, but I will make sure I post anything that happens while I'm gone.&lt;/p&gt;
</content>
</entry>
<entry>
<title>3D Model</title>
<link rel="alternate" href="http://blog.url.com/2014/02/12/3d-model.html"/>
<id>http://blog.url.com/2014/02/12/3d-model.html</id>
<published>2014-02-12T00:00:00Z</published>
<updated>2014-02-26T17:22:58+01:00</updated>
<author>
<name>Article Author</name>
</author>
<content type="html">&lt;p&gt;I was being slowed down by the new parametric tools so to give myself a bit of a 'confidence boost' I decided to model it quickly in Rhinocerous. A tool that I used frequently last year in Fab Lab Barcelona.&lt;/p&gt;

&lt;p&gt;I asked the following question a few times&lt;/p&gt;

&lt;blockquote class="twitter-tweet" lang="en"&gt;&lt;p&gt;&lt;a href="https://twitter.com/robotchallenge"&gt;@robotchallenge&lt;/a&gt; &lt;a href="https://twitter.com/arduino"&gt;@arduino&lt;/a&gt; &lt;a href="https://twitter.com/RSComponents"&gt;@rscomponents&lt;/a&gt; is there a scale/dimension diagram of the robot available anywhere? Thanks &lt;a href="https://twitter.com/search?q=%23HacktheArduinoRobot&amp;amp;src=hash"&gt;#HacktheArduinoRobot&lt;/a&gt;&lt;/p&gt;&amp;mdash; OFFRObot (@off_robot) &lt;a href="https://twitter.com/off_robot/statuses/434734886444752896"&gt;February 15, 2014&lt;/a&gt;&lt;/blockquote&gt;

&lt;p&gt;but wasn't getting anywhere with it, so I decided to make a scale model in Rhino with the promise to improve it in time.&lt;/p&gt;

&lt;blockquote class="twitter-tweet" lang="en"&gt;&lt;p&gt;A very crude 3D model of the Arduino Robot &lt;a href="https://t.co/C62b3qfR3K"&gt;https://t.co/C62b3qfR3K&lt;/a&gt; No measurements to hand, will improve tomorrow &lt;a href="https://twitter.com/search?q=%23HackTheArduinoRobot&amp;amp;src=hash"&gt;#HackTheArduinoRobot&lt;/a&gt;&lt;/p&gt;&amp;mdash; OFFRObot (@off_robot) &lt;a href="https://twitter.com/off_robot/statuses/433683527201075200"&gt;February 12, 2014&lt;/a&gt;&lt;/blockquote&gt;

&lt;script src="https://embed.github.com/view/3d/johnrees/offrobot-old/master/robot/robot.stl"&gt;&lt;/script&gt;

</content>
</entry>
<entry>
<title>Dissection</title>
<link rel="alternate" href="http://blog.url.com/2014/02/06/dissection.html"/>
<id>http://blog.url.com/2014/02/06/dissection.html</id>
<published>2014-02-06T00:00:00Z</published>
<updated>2014-02-26T17:20:49+01:00</updated>
<author>
<name>Article Author</name>
</author>
<content type="html">&lt;p&gt;Within no time I'd whisked my robot off to its new home at &lt;a href="http://www.fablabsitges.org"&gt;Fab Lab Sitges&lt;/a&gt; and was tearing to pieces.&lt;/p&gt;

&lt;blockquote class="twitter-tweet" lang="en"&gt;&lt;p&gt;Performing surgery at &lt;a href="https://twitter.com/fablabsitges"&gt;@fablabsitges&lt;/a&gt;! &lt;a href="http://t.co/n5Y5fkRlUO"&gt;pic.twitter.com/n5Y5fkRlUO&lt;/a&gt;&lt;/p&gt;&amp;mdash; OFFRObot (@off_robot) &lt;a href="https://twitter.com/off_robot/statuses/431408689778814976"&gt;February 6, 2014&lt;/a&gt;&lt;/blockquote&gt;

&lt;p&gt;Early on I decided that I'd try to discard the top (controller board) and create a dock solely for the bottom (motor board).&lt;/p&gt;

&lt;p&gt;This will be more challenging as it will probably require adding some custom firmware to the microcontroller, but &lt;em&gt;fingers crossed&lt;/em&gt; I don't think it should take too much effort. The upside is that it will be easier to move around because there is less size/weight to worry about.&lt;/p&gt;
</content>
</entry>
</feed>
24 changes: 24 additions & 0 deletions index.html
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</header>
<div id='main' role='main'>

<h2><a href="/2014/03/02/3d-printing.html">3D Printing</a> <span>Mar 2</span></h2>
<!-- use article.summary(250) if you have Nokogiri available to show just
the first 250 characters -->
<p>So today I started to replace plywood components with PLA. It made a big improvement to the sturdiness of the model.</p>

<p><img alt="robot" src="http://i.imgur.com/6UDYlrm.jpg" /></p>

<p>Before RobotChallenge I will redesign the gear system as the motors are having a lot of trouble powering the movement of the legs. Now that I have access to a printer I can make much finer teeth on the spur gears, and even have them at angles as shown below.</p>

<p><img alt="gears" src="http://i.imgur.com/uYNg3gs.jpg" /></p>

<p>I plan on making the central gear much smaller than it is now, and the two gears connected to the legs much larger. This will increase the torque of the system and mean that the legs move at a slower, more controlled pace.</p>

<p>I also plan on changing the gait (walk-cycle) of the robot. Right now it looks a bit frantic! If only I had simulation software like Disney Research's…</p>

<iframe width="560" height="315" src="//www.youtube.com/embed/DfznnKUwywQ?list=UUM42XWqRoruK6bNkgbgoJMw" frameborder="0" allowfullscreen=""></iframe>

<h2><a href="/2014/03/01/strandbeest.html">Strandbeest</a> <span>Mar 1</span></h2>
<!-- use article.summary(250) if you have Nokogiri available to show just
the first 250 characters -->
<p>This was one of the clips that was at the back of my mind when I entered this competition.</p>

<iframe width="420" height="315" src="//www.youtube.com/embed/adm72GaaCJ8" frameborder="0" allowfullscreen=""></iframe>

<h2><a href="/2014/02/24/algodoo.html">Algodoo</a> <span>Feb 24</span></h2>
<!-- use article.summary(250) if you have Nokogiri available to show just
the first 250 characters -->
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14 changes: 9 additions & 5 deletions stylesheets/application.css
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color: #444; }

/* line 9, /Users/john/Code/offrobot/source/stylesheets/application.css.scss */
img {
max-width: 100%; }

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iframe {
border: none; }

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a {
color: #00979C;
text-decoration: none; }

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h2 {
border-bottom: 1px solid black; }
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h2 span {
float: right; }

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#container {
max-width: 900px;
margin: 0 auto; }

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header {
font-size: 2em;
font-family: 'Futura', 'Helvetica Neue', Helvetica, 'Lucida Grande', Tahoma, Arial, sans;
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