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	<title>todbot blog &#187; arduino</title>
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	<link>http://todbot.com/blog</link>
	<description>Random experiments, circuits, code, rapid prototyping, sometimes things to buy, and the odd tune by Tod E. Kurt.</description>
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		<title>I2CScanner.pde: Arduino as I2C bus scanner</title>
		<link>http://todbot.com/blog/2009/11/29/i2cscanner-pde-arduino-as-i2c-bus-scanner/</link>
		<comments>http://todbot.com/blog/2009/11/29/i2cscanner-pde-arduino-as-i2c-bus-scanner/#comments</comments>
		<pubDate>Sun, 29 Nov 2009 21:28:31 +0000</pubDate>
		<dc:creator>todbot</dc:creator>
				<category><![CDATA[arduino]]></category>
		<category><![CDATA[blinkm]]></category>

		<guid isPermaLink="false">http://todbot.com/blog/?p=731</guid>
		<description><![CDATA[One of the challenges of working with I2C (aka &#8220;two-wire&#8221; or &#8220;TWI&#8221; or &#8220;Wire&#8221;) devices is knowing the I2C address of the device.  Older devices have a fixed address, or a &#8220;choose one-of-four&#8221; approach. But newer I2C devices have fully programmable addresses, leading to cases of not knowing what address a device is at.
Fortunately, [...]]]></description>
		<wfw:commentRss>http://todbot.com/blog/2009/11/29/i2cscanner-pde-arduino-as-i2c-bus-scanner/feed/</wfw:commentRss>
		<slash:comments>4</slash:comments>
		</item>
		<item>
		<title>Scary Shifty Servo Eyeballs</title>
		<link>http://todbot.com/blog/2009/10/07/scary-shifty-servo-eyeballs/</link>
		<comments>http://todbot.com/blog/2009/10/07/scary-shifty-servo-eyeballs/#comments</comments>
		<pubDate>Thu, 08 Oct 2009 03:18:42 +0000</pubDate>
		<dc:creator>todbot</dc:creator>
				<category><![CDATA[arduino]]></category>
		<category><![CDATA[blinkm]]></category>

		<guid isPermaLink="false">http://todbot.com/blog/?p=692</guid>
		<description><![CDATA[If you want a slightly different look for your Halloween pumpkin or skull, you can pretty quickly whip something up with a few servos and an Arduino.  Here&#8217;s a set of Scary Shifty Servo Eyeballs, for instance:

It looks around randomly&#8230;what&#8217;s over there!&#8230; wait, what&#8217;s that!
As you can probably tell it&#8217;s a pretty simple arrangement [...]]]></description>
		<wfw:commentRss>http://todbot.com/blog/2009/10/07/scary-shifty-servo-eyeballs/feed/</wfw:commentRss>
		<slash:comments>5</slash:comments>
		</item>
		<item>
		<title>Behold the Crystal Monster</title>
		<link>http://todbot.com/blog/2009/09/22/behold-the-crystal-monster/</link>
		<comments>http://todbot.com/blog/2009/09/22/behold-the-crystal-monster/#comments</comments>
		<pubDate>Tue, 22 Sep 2009 17:13:38 +0000</pubDate>
		<dc:creator>todbot</dc:creator>
				<category><![CDATA[arduino]]></category>
		<category><![CDATA[blinkm]]></category>
		<category><![CDATA[lasercut]]></category>

		<guid isPermaLink="false">http://todbot.com/blog/?p=620</guid>
		<description><![CDATA[The Crystal Monster is an art piece created by Beverly Tang and Tod E. Kurt (me).  It&#8217;s on display in the Continental Gallery on 4th &#038; Spring St in downtown Los Angeles. The shape and structure of the Crystal Monster are Beverly&#8217;s design.  I created the lighting and the electronics.  It&#8217;s made [...]]]></description>
		<wfw:commentRss>http://todbot.com/blog/2009/09/22/behold-the-crystal-monster/feed/</wfw:commentRss>
		<slash:comments>4</slash:comments>
		</item>
		<item>
		<title>Minimal Arduino with ATmega8</title>
		<link>http://todbot.com/blog/2009/05/26/minimal-arduino-with-atmega8/</link>
		<comments>http://todbot.com/blog/2009/05/26/minimal-arduino-with-atmega8/#comments</comments>
		<pubDate>Wed, 27 May 2009 00:36:37 +0000</pubDate>
		<dc:creator>todbot</dc:creator>
				<category><![CDATA[arduino]]></category>

		<guid isPermaLink="false">http://todbot.com/blog/?p=494</guid>
		<description><![CDATA[Or: A good use for old Arduino boards
Like me, you may have a few old Arduino boards or ATmega8 chips (in the boards) laying around from when you were first playing with Arduino.  Those chips can still be really useful as the heart of a tiny &#8220;Minimal Arduino&#8221; setup.
A normal Arduino board contains support [...]]]></description>
		<wfw:commentRss>http://todbot.com/blog/2009/05/26/minimal-arduino-with-atmega8/feed/</wfw:commentRss>
		<slash:comments>34</slash:comments>
		</item>
		<item>
		<title>Arduino chip sticker label</title>
		<link>http://todbot.com/blog/2009/05/23/arduino-chip-sticker-label/</link>
		<comments>http://todbot.com/blog/2009/05/23/arduino-chip-sticker-label/#comments</comments>
		<pubDate>Sun, 24 May 2009 04:53:15 +0000</pubDate>
		<dc:creator>todbot</dc:creator>
				<category><![CDATA[arduino]]></category>
		<category><![CDATA[lasercut]]></category>

		<guid isPermaLink="false">http://todbot.com/blog/?p=480</guid>
		<description><![CDATA[I&#8217;ve been working with a super minimal Arduino setup recently.  After seeing Alex&#8217;s awesome Arduino/ATmega breadboard header, where he notes there&#8217;s no room on the PCB for pin labeling, I wondered if it would be possible to make a small sticker that goes on the ATmega chip, labeling the pin names. 
Here&#8217;s my first [...]]]></description>
		<wfw:commentRss>http://todbot.com/blog/2009/05/23/arduino-chip-sticker-label/feed/</wfw:commentRss>
		<slash:comments>30</slash:comments>
		</item>
		<item>
		<title>Tiny Servos as Continuous Rotation Gearmotors</title>
		<link>http://todbot.com/blog/2009/04/11/tiny-servos-as-continuous-rotation-gearmotors/</link>
		<comments>http://todbot.com/blog/2009/04/11/tiny-servos-as-continuous-rotation-gearmotors/#comments</comments>
		<pubDate>Sat, 11 Apr 2009 07:10:27 +0000</pubDate>
		<dc:creator>todbot</dc:creator>
				<category><![CDATA[arduino]]></category>
		<category><![CDATA[hardware-hacking]]></category>
		<category><![CDATA[toys]]></category>

		<guid isPermaLink="false">http://todbot.com/blog/?p=400</guid>
		<description><![CDATA[I&#8217;ve been exploring various types of gearmotors. DC motors by themselves spin too fast and have low torque.  Gearmotors are motors with a gearbox that slows down the high speed of the motor and produces higher torque.  Most gearmotors are pretty expensive though.  I want a really cheap, almost throw-away, source of [...]]]></description>
		<wfw:commentRss>http://todbot.com/blog/2009/04/11/tiny-servos-as-continuous-rotation-gearmotors/feed/</wfw:commentRss>
		<slash:comments>23</slash:comments>
		</item>
		<item>
		<title>Wiichuck Adapter on TV!</title>
		<link>http://todbot.com/blog/2009/02/28/wiichuck-adapter-on-tv/</link>
		<comments>http://todbot.com/blog/2009/02/28/wiichuck-adapter-on-tv/#comments</comments>
		<pubDate>Sat, 28 Feb 2009 20:47:07 +0000</pubDate>
		<dc:creator>todbot</dc:creator>
				<category><![CDATA[arduino]]></category>
		<category><![CDATA[hardware-hacking]]></category>
		<category><![CDATA[thingm]]></category>

		<guid isPermaLink="false">http://todbot.com/blog/?p=328</guid>
		<description><![CDATA[
Woohoo, my little Wiichuck adpter for experimenting with the Wii nuchuck made it on TV, thanks to my buddy John Park and Make: TV.  
See the Makezine blog post with the segment, or watch it here:
Maker Workshop &#8211; Personal Flight Recorder on Make: television from make magazine on Vimeo.
]]></description>
		<wfw:commentRss>http://todbot.com/blog/2009/02/28/wiichuck-adapter-on-tv/feed/</wfw:commentRss>
		<slash:comments>4</slash:comments>
		</item>
		<item>
		<title>Sketching08 talk: Good Hardware APIs et al</title>
		<link>http://todbot.com/blog/2008/07/31/sketching08-talk-good-hardware-apis-et-al/</link>
		<comments>http://todbot.com/blog/2008/07/31/sketching08-talk-good-hardware-apis-et-al/#comments</comments>
		<pubDate>Fri, 01 Aug 2008 02:11:13 +0000</pubDate>
		<dc:creator>todbot</dc:creator>
				<category><![CDATA[arduino]]></category>
		<category><![CDATA[general]]></category>
		<category><![CDATA[sketching]]></category>

		<guid isPermaLink="false">http://todbot.com/blog/?p=294</guid>
		<description><![CDATA[The Sketching in Hardware &#8216;08 conference was held at  RISD in Providence, Rhode Island this year.  Both RISD and Providence were very welcoming and I think we had a lot of fun.  Once again, Mike pulls off an awesome conference.
For my talk, since I didn&#8217;t have one big thing I&#8217;ve been working [...]]]></description>
		<wfw:commentRss>http://todbot.com/blog/2008/07/31/sketching08-talk-good-hardware-apis-et-al/feed/</wfw:commentRss>
		<slash:comments>7</slash:comments>
		</item>
		<item>
		<title>BlinkM &amp; Arduino 3D models</title>
		<link>http://todbot.com/blog/2008/06/23/blinkm-arduino-3d-models/</link>
		<comments>http://todbot.com/blog/2008/06/23/blinkm-arduino-3d-models/#comments</comments>
		<pubDate>Tue, 24 Jun 2008 00:41:02 +0000</pubDate>
		<dc:creator>todbot</dc:creator>
				<category><![CDATA[arduino]]></category>
		<category><![CDATA[blinkm]]></category>
		<category><![CDATA[general]]></category>

		<guid isPermaLink="false">http://todbot.com/blog/?p=281</guid>
		<description><![CDATA[Here&#8217;s a really quick 3D model of BlinkM, if anyone needs it.  It&#8217;s accurate to ~0.1mm.

- blinkm.skp &#8212; BlinkM SketchUp model
- rgb_led_piranha.skp &#8212; Piranha RGB LED SketchUp model
And here it is plugged  into the awesomely done Arduino Diecimila model by Jon-Paul from the Google 3D Warehouse.

SketchUp is pretty great, but I found a [...]]]></description>
		<wfw:commentRss>http://todbot.com/blog/2008/06/23/blinkm-arduino-3d-models/feed/</wfw:commentRss>
		<slash:comments>16</slash:comments>
		</item>
		<item>
		<title>How To Do Big Strings in Arduino</title>
		<link>http://todbot.com/blog/2008/06/19/how-to-do-big-strings-in-arduino/</link>
		<comments>http://todbot.com/blog/2008/06/19/how-to-do-big-strings-in-arduino/#comments</comments>
		<pubDate>Fri, 20 Jun 2008 05:08:29 +0000</pubDate>
		<dc:creator>todbot</dc:creator>
				<category><![CDATA[arduino]]></category>
		<category><![CDATA[programming]]></category>

		<guid isPermaLink="false">http://todbot.com/blog/?p=267</guid>
		<description><![CDATA[Arduino makes it pretty easy to store &#038; use character strings, but those strings compete with your variables, so you can&#8217;t do as much.  Here&#8217;s how to put big strings into read-only program memory and use them.
Lots of sketches can have big strings in them.  Maybe you&#8217;ve built a little command-line interface or [...]]]></description>
		<wfw:commentRss>http://todbot.com/blog/2008/06/19/how-to-do-big-strings-in-arduino/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Get on the BlinkM Bus with a BlinkM Cylon</title>
		<link>http://todbot.com/blog/2008/06/17/get-on-the-blinkm-bus-with-a-blinkm-cylon/</link>
		<comments>http://todbot.com/blog/2008/06/17/get-on-the-blinkm-bus-with-a-blinkm-cylon/#comments</comments>
		<pubDate>Tue, 17 Jun 2008 09:43:02 +0000</pubDate>
		<dc:creator>todbot</dc:creator>
				<category><![CDATA[arduino]]></category>
		<category><![CDATA[blinkm]]></category>
		<category><![CDATA[general]]></category>
		<category><![CDATA[hardware-hacking]]></category>
		<category><![CDATA[ideas]]></category>
		<category><![CDATA[thingm]]></category>

		<guid isPermaLink="false">http://todbot.com/blog/?p=244</guid>
		<description><![CDATA[
BlinkMs are a lot of fun by themselves, but they’re also little network devices, each having its own address on an I2C network. Here’s where I think BlinkM can really shine since it makes controlling multiple RGB LEDs pretty easy. For Maker Faire, I wanted to show off this facet by having a single Arduino [...]]]></description>
		<wfw:commentRss>http://todbot.com/blog/2008/06/17/get-on-the-blinkm-bus-with-a-blinkm-cylon/feed/</wfw:commentRss>
		<slash:comments>16</slash:comments>
		</item>
		<item>
		<title>ThingM &amp; BlinkM at Maker Faire!</title>
		<link>http://todbot.com/blog/2008/05/02/thingm-blinkm-at-maker-faire/</link>
		<comments>http://todbot.com/blog/2008/05/02/thingm-blinkm-at-maker-faire/#comments</comments>
		<pubDate>Sat, 03 May 2008 01:25:49 +0000</pubDate>
		<dc:creator>todbot</dc:creator>
				<category><![CDATA[arduino]]></category>
		<category><![CDATA[blinkm]]></category>
		<category><![CDATA[thingm]]></category>

		<guid isPermaLink="false">http://todbot.com/blog/?p=242</guid>
		<description><![CDATA[ThingM (Mike and me and some friends) will be at Maker Faire Bay Area 2008 this weekend. Come by and visit us!
Our bench will be about &#8220;Experiments with Smart LEDs&#8221;. Basically we&#8217;re showing off BlinkM, the projects that led up to BlinkM, like my experiments with Smart LEDs, some future products we&#8217;re working on, and [...]]]></description>
		<wfw:commentRss>http://todbot.com/blog/2008/05/02/thingm-blinkm-at-maker-faire/feed/</wfw:commentRss>
		<slash:comments>1</slash:comments>
		</item>
		<item>
		<title>FunGizmo&#8217;s colorful tiny breadboards</title>
		<link>http://todbot.com/blog/2008/04/28/fungizmos-colorful-tiny-breadboards/</link>
		<comments>http://todbot.com/blog/2008/04/28/fungizmos-colorful-tiny-breadboards/#comments</comments>
		<pubDate>Mon, 28 Apr 2008 22:51:09 +0000</pubDate>
		<dc:creator>todbot</dc:creator>
				<category><![CDATA[arduino]]></category>
		<category><![CDATA[hardware-hacking]]></category>

		<guid isPermaLink="false">http://todbot.com/blog/?p=241</guid>
		<description><![CDATA[I just received some colorful tiny mini-breadboards from FunGizmos.com.  They are pretty great.  Now quickie ideas prototyped with Arduino can be even smaller than the &#8220;1¢ Arduino under-shield&#8221;.

They appear to be the same quality as the other breadboards I have, just different color  plastic.  I can already tell the colors will [...]]]></description>
		<wfw:commentRss>http://todbot.com/blog/2008/04/28/fungizmos-colorful-tiny-breadboards/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>&#8220;WiiChuck&#8221; Wii Nunchuck Adapter Available</title>
		<link>http://todbot.com/blog/2008/02/18/wiichuck-wii-nunchuck-adapter-available/</link>
		<comments>http://todbot.com/blog/2008/02/18/wiichuck-wii-nunchuck-adapter-available/#comments</comments>
		<pubDate>Tue, 19 Feb 2008 02:41:17 +0000</pubDate>
		<dc:creator>todbot</dc:creator>
				<category><![CDATA[arduino]]></category>
		<category><![CDATA[blinkm]]></category>
		<category><![CDATA[general]]></category>
		<category><![CDATA[hardware-hacking]]></category>
		<category><![CDATA[ideas]]></category>
		<category><![CDATA[programming]]></category>
		<category><![CDATA[thingm]]></category>
		<category><![CDATA[ubicomp]]></category>

		<guid isPermaLink="false">http://todbot.com/blog/2008/02/18/wiichuck-wii-nunchuck-adapter-available/</guid>
		<description><![CDATA[Want to hook up a Wii Nunchuck to an Arduino but don&#8217;t want to cut up the cord on  your Nunchuck?  Yeah me too.  So I made some of these:


It&#8217;s a small PCB that adapts the Wii Nunchuck connector to standard 4-pin header. I call it the &#8220;wiichuck adapter&#8221;. It plugs directly [...]]]></description>
		<wfw:commentRss>http://todbot.com/blog/2008/02/18/wiichuck-wii-nunchuck-adapter-available/feed/</wfw:commentRss>
		<slash:comments>173</slash:comments>
		</item>
		<item>
		<title>BlinkM Hello, Video Guides, Example Code</title>
		<link>http://todbot.com/blog/2008/01/25/blinkm-hello-video-guides-example-code/</link>
		<comments>http://todbot.com/blog/2008/01/25/blinkm-hello-video-guides-example-code/#comments</comments>
		<pubDate>Fri, 25 Jan 2008 18:54:04 +0000</pubDate>
		<dc:creator>todbot</dc:creator>
				<category><![CDATA[arduino]]></category>
		<category><![CDATA[blinkm]]></category>
		<category><![CDATA[hardware-hacking]]></category>
		<category><![CDATA[thingm]]></category>

		<guid isPermaLink="false">http://todbot.com/blog/2008/01/25/blinkm-hello-video-guides-example-code/</guid>
		<description><![CDATA[This is a BlinkM:

BlinkMs are &#8220;smart LEDs&#8221;, a type of smart interface component.  A BlinkM consists of an ultrabirght RGB LED backed with a microcontroller with built-in knowledge about 24-bit color spaces, color fading, and color pattern generation. All in a package 0.6&#8221; wide.  You talk to it over I2C, a serial protocol [...]]]></description>
		<wfw:commentRss>http://todbot.com/blog/2008/01/25/blinkm-hello-video-guides-example-code/feed/</wfw:commentRss>
		<slash:comments>50</slash:comments>
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