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	<title>todbot blog &#187; arduino</title>
	<atom:link href="http://todbot.com/blog/category/arduino/feed/" rel="self" type="application/rss+xml" />
	<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>
	<lastBuildDate>Fri, 03 Feb 2012 20:58:00 +0000</lastBuildDate>
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		<title>BlinkM Cylon mkII</title>
		<link>http://todbot.com/blog/2011/05/29/blinkm-cylon-mkii/</link>
		<comments>http://todbot.com/blog/2011/05/29/blinkm-cylon-mkii/#comments</comments>
		<pubDate>Mon, 30 May 2011 06:32:04 +0000</pubDate>
		<dc:creator>todbot</dc:creator>
				<category><![CDATA[arduino]]></category>
		<category><![CDATA[blinkm]]></category>

		<guid isPermaLink="false">http://todbot.com/blog/?p=1008</guid>
		<description><![CDATA[For Maker Faire this year I made a second version of my BlinkM Cylon: BlinkM Cylon mkII.  This is not a very cost-effective way of getting a Cylon effect.  It however is a good way of showing how to wire up multiple BlinkMs with a long cable, using our new WireM cabling [...]]]></description>
		<wfw:commentRss>http://todbot.com/blog/2011/05/29/blinkm-cylon-mkii/feed/</wfw:commentRss>
		<slash:comments>4</slash:comments>
		</item>
		<item>
		<title>BlinkM Smart LED as the Smallest Arduino</title>
		<link>http://todbot.com/blog/2011/03/22/blinkm-smart-led-as-the-smallest-arduino/</link>
		<comments>http://todbot.com/blog/2011/03/22/blinkm-smart-led-as-the-smallest-arduino/#comments</comments>
		<pubDate>Tue, 22 Mar 2011 08:17:29 +0000</pubDate>
		<dc:creator>todbot</dc:creator>
				<category><![CDATA[arduino]]></category>
		<category><![CDATA[blinkm]]></category>

		<guid isPermaLink="false">http://todbot.com/blog/?p=971</guid>
		<description><![CDATA[Did you know you can run Arduino programs on tiny BlinkM Smart LEDs?  It might make BlinkM the smallest Arduino so far.  To use a BlinkM as an Arduino, all you need is the free Arduino software, a low-cost AVR programmer, some wire, and a BlinkM. 

Here's a quick video showing how [...]]]></description>
		<wfw:commentRss>http://todbot.com/blog/2011/03/22/blinkm-smart-led-as-the-smallest-arduino/feed/</wfw:commentRss>
		<slash:comments>32</slash:comments>
		</item>
		<item>
		<title>WiFi for Arduino with Asus WL-520gu</title>
		<link>http://todbot.com/blog/2010/12/16/wifi-for-arduino-with-asus-wl-520gu/</link>
		<comments>http://todbot.com/blog/2010/12/16/wifi-for-arduino-with-asus-wl-520gu/#comments</comments>
		<pubDate>Thu, 16 Dec 2010 09:48:42 +0000</pubDate>
		<dc:creator>todbot</dc:creator>
				<category><![CDATA[arduino]]></category>
		<category><![CDATA[hardware-hacking]]></category>
		<category><![CDATA[ubicomp]]></category>

		<guid isPermaLink="false">http://todbot.com/blog/?p=909</guid>
		<description><![CDATA[I love Arduino but its lack of wireless bugs me.  And it sucks that WiFi Shields for the Arduino cost as much a cell phone.  I want something cheap.  Turns out, small, cheap WiFi routers like the Asus WL-520gu can run the DD-WRT Linux firmware and act as serial-to-network gateway for [...]]]></description>
		<wfw:commentRss>http://todbot.com/blog/2010/12/16/wifi-for-arduino-with-asus-wl-520gu/feed/</wfw:commentRss>
		<slash:comments>62</slash:comments>
		</item>
		<item>
		<title>ReflashBlinkM: Update your BlinkM&#8217;s firmware</title>
		<link>http://todbot.com/blog/2010/11/19/reflashblinkm-update-your-blinkms-firmware/</link>
		<comments>http://todbot.com/blog/2010/11/19/reflashblinkm-update-your-blinkms-firmware/#comments</comments>
		<pubDate>Sat, 20 Nov 2010 03:32:45 +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/?p=906</guid>
		<description><![CDATA[All BlinkM-family devices can have their firmware updated. This makes them great for tiny development boards for ATtiny processors. ReflashBlinkM is an application that makes it easy to put back the original firmware or update a BlinkM to the latest firmware.

Previously you needed an AVR ISP programmer like the AVRISPmkII or the USBtinyISP. Thanks [...]]]></description>
		<wfw:commentRss>http://todbot.com/blog/2010/11/19/reflashblinkm-update-your-blinkms-firmware/feed/</wfw:commentRss>
		<slash:comments>2</slash:comments>
		</item>
		<item>
		<title>SoftI2CMaster: Add I2C to any Arduino pins</title>
		<link>http://todbot.com/blog/2010/09/25/softi2cmaster-add-i2c-to-any-arduino-pins/</link>
		<comments>http://todbot.com/blog/2010/09/25/softi2cmaster-add-i2c-to-any-arduino-pins/#comments</comments>
		<pubDate>Sat, 25 Sep 2010 07:14:01 +0000</pubDate>
		<dc:creator>todbot</dc:creator>
				<category><![CDATA[arduino]]></category>
		<category><![CDATA[blinkm]]></category>
		<category><![CDATA[hardware-hacking]]></category>

		<guid isPermaLink="false">http://todbot.com/blog/?p=893</guid>
		<description><![CDATA[Ever wanted to use any pair of pins for I2C on Arduino, not just the dedicated pins on Analog 4 &#038; 5?  Me too, so I made a quick little Arduino library called "SoftI2CMaster", available in the "blinkm-projects" Googlecode repository. 

Get it here: SoftI2CMaster.h, SoftI2CMaster.cpp.
  
It's still a work in progress, but [...]]]></description>
		<wfw:commentRss>http://todbot.com/blog/2010/09/25/softi2cmaster-add-i2c-to-any-arduino-pins/feed/</wfw:commentRss>
		<slash:comments>16</slash:comments>
		</item>
		<item>
		<title>ThingM at Maker Faire 2010</title>
		<link>http://todbot.com/blog/2010/05/30/thingm-at-maker-faire-2010/</link>
		<comments>http://todbot.com/blog/2010/05/30/thingm-at-maker-faire-2010/#comments</comments>
		<pubDate>Sun, 30 May 2010 23:51:08 +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=844</guid>
		<description><![CDATA[My company ThingM had an official presence at Maker Faire this year.  We were showing off the BlinkM line, including the new BlinkM MinM and the LinkM USB BlinkM controller.  It was a lot of fun.  And packed!


(click any photo to go to larger version on Flickr)

We were in the Maker [...]]]></description>
		<wfw:commentRss>http://todbot.com/blog/2010/05/30/thingm-at-maker-faire-2010/feed/</wfw:commentRss>
		<slash:comments>1</slash:comments>
		</item>
		<item>
		<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 "two-wire" or "TWI" or "Wire") devices is knowing the I2C address of the device.  Older devices have a fixed address, or a "choose one-of-four" approach. But newer I2C devices have fully programmable addresses, leading to cases of not knowing what address a device is [...]]]></description>
		<wfw:commentRss>http://todbot.com/blog/2009/11/29/i2cscanner-pde-arduino-as-i2c-bus-scanner/feed/</wfw:commentRss>
		<slash:comments>17</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's a set of Scary Shifty Servo Eyeballs, for instance:
    
It looks around randomly...what's over there!... wait, what's that!

As you can probably tell [...]]]></description>
		<wfw:commentRss>http://todbot.com/blog/2009/10/07/scary-shifty-servo-eyeballs/feed/</wfw:commentRss>
		<slash:comments>8</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'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's design.  I created the lighting and the electronics.  It's [...]]]></description>
		<wfw:commentRss>http://todbot.com/blog/2009/09/22/behold-the-crystal-monster/feed/</wfw:commentRss>
		<slash:comments>7</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 "Minimal Arduino" setup.

A normal Arduino board contains [...]]]></description>
		<wfw:commentRss>http://todbot.com/blog/2009/05/26/minimal-arduino-with-atmega8/feed/</wfw:commentRss>
		<slash:comments>80</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've been working with a super minimal Arduino setup recently.  After seeing Alex's awesome Arduino/ATmega breadboard header, where he notes there'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's my [...]]]></description>
		<wfw:commentRss>http://todbot.com/blog/2009/05/23/arduino-chip-sticker-label/feed/</wfw:commentRss>
		<slash:comments>40</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'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 [...]]]></description>
		<wfw:commentRss>http://todbot.com/blog/2009/04/11/tiny-servos-as-continuous-rotation-gearmotors/feed/</wfw:commentRss>
		<slash:comments>34</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 - Personal Flight Recorder on Make: television from make magazine on [...]]]></description>
		<wfw:commentRss>http://todbot.com/blog/2009/02/28/wiichuck-adapter-on-tv/feed/</wfw:commentRss>
		<slash:comments>9</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 '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't have one big thing I've been [...]]]></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's a really quick 3D model of BlinkM, if anyone needs it.  It's accurate to ~0.1mm.



- blinkm.skp -- BlinkM SketchUp model
- rgb_led_piranha.skp -- 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 [...]]]></description>
		<wfw:commentRss>http://todbot.com/blog/2008/06/23/blinkm-arduino-3d-models/feed/</wfw:commentRss>
		<slash:comments>16</slash:comments>
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