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	<title>code, circuits, &#038; construction</title>
	<link>http://www.tigoe.net/pcomp/code</link>
	<description>code and fabrication resources for physical computing and networking</description>
	<lastBuildDate>Wed, 21 Jul 2010 20:56:56 +0000</lastBuildDate>
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		<title>Networked Bed Presence sensor</title>
		<description><![CDATA[John Schimmel and I had a meeting with a friend the other day who has chronic condition, and is looking for tools to notify her family and friends of her activity at home, so she can live more independently. A &#8230; <a href="http://www.tigoe.net/pcomp/code/category/arduinowiring/873">Continue reading <span class="meta-nav">&#8594;</span></a>]]></description>
		<link>http://www.tigoe.net/pcomp/code/category/arduinowiring/873</link>
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		<title>Serial ports on an iPhone?</title>
		<description><![CDATA[hc gilje posted some useful notes on accessing the serial ports of an iPhone. Bottom line: Apple has not made it easy to let the iphone communicate with external devices. Basically, you need a jailbroken phone to do anything. That &#8230; <a href="http://www.tigoe.net/pcomp/code/category/arduinowiring/861">Continue reading <span class="meta-nav">&#8594;</span></a>]]></description>
		<link>http://www.tigoe.net/pcomp/code/category/arduinowiring/861</link>
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		<title>Using PepperMill to turn a motor into a sensor</title>
		<description><![CDATA[Nicolas Villar sent me a sample of the PepperMill, a new sensor board he and Steve Hodges designed at Microsoft Research in Cambridge, UK.  It&#8217;s a nifty little board.  You attach a DC motor and the board can an output &#8230; <a href="http://www.tigoe.net/pcomp/code/category/arduinowiring/854">Continue reading <span class="meta-nav">&#8594;</span></a>]]></description>
		<link>http://www.tigoe.net/pcomp/code/category/arduinowiring/854</link>
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		<title></title>
		<description><![CDATA[Rob Faludi just turned me on to CoolTerm, a serial terminal app for OSX and Windows. It looks like a nice addition, and is cross platform, which is handy for teaching; no need to reference different apps on different platforms. I&#8217;ve &#8230; <a href="http://www.tigoe.net/pcomp/code/category/OSX/852">Continue reading <span class="meta-nav">&#8594;</span></a>]]></description>
		<link>http://www.tigoe.net/pcomp/code/category/OSX/852</link>
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		<title>Bluetooth Mate with Lilypad</title>
		<description><![CDATA[Coming late to the game, I&#8217;m trying out a Bluetooth Mate from SparkFun with an Arduino Lilypad.Overall, it&#8217;s a nice Bluetooth radio to use with microcontrollers.  A few thoughts on getting it working: This module mimics the 6-pin FTDI cable &#8230; <a href="http://www.tigoe.net/pcomp/code/category/arduinowiring/827">Continue reading <span class="meta-nav">&#8594;</span></a>]]></description>
		<link>http://www.tigoe.net/pcomp/code/category/arduinowiring/827</link>
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		<title>Intervalometer and motion trigger for Nikon D90</title>
		<description><![CDATA[Matt Mets has written a nice Nikon remote control library for Arduino. I used it to make a motion trigger and intervalometer. It looks like this: Here&#8217;s a Fritzing image of the circuit (I finished it in Illustrator, because there&#8217;s &#8230; <a href="http://www.tigoe.net/pcomp/code/category/arduinowiring/800">Continue reading <span class="meta-nav">&#8594;</span></a>]]></description>
		<link>http://www.tigoe.net/pcomp/code/category/arduinowiring/800</link>
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		<title>Blog Housekeeping</title>
		<description><![CDATA[I&#8217;m making some changes to this blog. I&#8217;ve been unhappy about the fact that all the code is static, not the code I use every day. Instead, I want a nice code repository, so whatever I write on my machine &#8230; <a href="http://www.tigoe.net/pcomp/code/category/PHP/669">Continue reading <span class="meta-nav">&#8594;</span></a>]]></description>
		<link>http://www.tigoe.net/pcomp/code/category/PHP/669</link>
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		<title>Reading data from a uLog logger, saving to a file</title>
		<description><![CDATA[Here&#8217;s a Processing sketch that takes data from Sparkfun&#8217;s uLog datalogger via a serial port, and saves the results to a file. To use this, you&#8217;ll need: uLog datalogger with some data on it USB-to-serial adaptor; there are many types &#8230; <a href="http://www.tigoe.net/pcomp/code/category/Processing/616">Continue reading <span class="meta-nav">&#8594;</span></a>]]></description>
		<link>http://www.tigoe.net/pcomp/code/category/Processing/616</link>
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		<title>Simple Client URL example in PHP</title>
		<description><![CDATA[Here&#8217;s a simple example of using the cURL program through PHP&#8217;s client URL library. It&#8217;s a really powerful way to use HTTP, because you can set just about every HTTP option using the library.]]></description>
		<link>http://www.tigoe.net/pcomp/code/category/PHP/608</link>
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		<title>Mail form in PHP</title>
		<description><![CDATA[Here&#8217;s a simple HTML/PHP form that takes data from the form and sends it in mail via HTTP POST. Save it as formToMe.php:]]></description>
		<link>http://www.tigoe.net/pcomp/code/category/PHP/603</link>
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		<title>Traceroute scraper in Processing</title>
		<description><![CDATA[There are many web-based interfaces to traceroute available, including a nice list at traceroute.org.  Here&#8217;s a Processing sketch that retrieves the raw HTML from one of them and separates the traceroute lines into time taken, hop IP, and hop name. &#8230; <a href="http://www.tigoe.net/pcomp/code/category/Processing/596">Continue reading <span class="meta-nav">&#8594;</span></a>]]></description>
		<link>http://www.tigoe.net/pcomp/code/category/Processing/596</link>
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		<title>Ball Drop Game</title>
		<description><![CDATA[Here&#8217;s a variation on the networked pong server from Making Things Talk..  This version is cooperative rather than competitive.  Multiple clients have to keep the ball from hitting the ground.  There are five balls dropped each game. There are two &#8230; <a href="http://www.tigoe.net/pcomp/code/category/Processing/592">Continue reading <span class="meta-nav">&#8594;</span></a>]]></description>
		<link>http://www.tigoe.net/pcomp/code/category/Processing/592</link>
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		<title>Chat Server in Processing</title>
		<description><![CDATA[Here&#8217;s a basic chat server written in Processing.  It&#8217;s a bit more complex than the basic test server.  This server keeps track of all the clients who log into it in an ArrayList.  Using an ArrayList is useful when you &#8230; <a href="http://www.tigoe.net/pcomp/code/category/Processing/589">Continue reading <span class="meta-nav">&#8594;</span></a>]]></description>
		<link>http://www.tigoe.net/pcomp/code/category/Processing/589</link>
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		<title>CNMAT resources archive</title>
		<description><![CDATA[Berkeley&#8217;s CNMAT (center for new music and audio technologies) has a nice resource archive, with pictures.  Useful if you&#8217;re looking for electronic parts, microphones, and other things audio-related.  Similar to RISDpedia and ITPedia, among others, very useful.  Thanks to Tom &#8230; <a href="http://www.tigoe.net/pcomp/code/category/circuits/582">Continue reading <span class="meta-nav">&#8594;</span></a>]]></description>
		<link>http://www.tigoe.net/pcomp/code/category/circuits/582</link>
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		<title>A Few Good Reasons Why Peter Knight Rocks</title>
		<description><![CDATA[Peter Knight works with Massimo and Alex and co. at Tinker.it. He&#8217;s written some great AVR code, which is useful in Arduino.  For example: Secret Thermometer takes advantage of the ATMega&#8217;s internal thermometer. Turns your &#8217;328-based Arduino into a thermometer &#8230; <a href="http://www.tigoe.net/pcomp/code/category/arduinowiring/580">Continue reading <span class="meta-nav">&#8594;</span></a>]]></description>
		<link>http://www.tigoe.net/pcomp/code/category/arduinowiring/580</link>
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		<title>Physical x Wonderfl</title>
		<description><![CDATA[Shigeru Kobayashi, who made Gainer and Funnel, has made yet another nifty tool for physical computing:  physical x wonderfl. It combines Gainer, Funnel, Firmata, Arduino, and Wonderfl. What are Gainer, Funnel, Firmata, Arduino, and Wonderfl? Gainer is a microcontroller I/O &#8230; <a href="http://www.tigoe.net/pcomp/code/category/arduinowiring/575">Continue reading <span class="meta-nav">&#8594;</span></a>]]></description>
		<link>http://www.tigoe.net/pcomp/code/category/arduinowiring/575</link>
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		<title>Controlling Lots of Outputs from a Microcontroller</title>
		<description><![CDATA[Making LED displays is fun. There are a a few tools that get used all the time, from row-column scanning to LED driver chips to multplexers and shift registers. This tutorial discusses some of the more popular methods for controlling &#8230; <a href="http://www.tigoe.net/pcomp/code/category/arduinowiring/486">Continue reading <span class="meta-nav">&#8594;</span></a>]]></description>
		<link>http://www.tigoe.net/pcomp/code/category/arduinowiring/486</link>
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		<title>CD4099 Addressable Latch Used to Control LEDs</title>
		<description><![CDATA[This tutorial will show how to control multiple LED outputs from a microcontroller using a CD4099B  addressable latch. Parts you&#8217;ll need: CD4099B addressable latch Arduino microcontroller (Any model will do) 16 LEDs How It Works An addressable latch can either &#8230; <a href="http://www.tigoe.net/pcomp/code/category/arduinowiring/546">Continue reading <span class="meta-nav">&#8594;</span></a>]]></description>
		<link>http://www.tigoe.net/pcomp/code/category/arduinowiring/546</link>
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		<title>CD4067 Multiplexer used to control LEDs</title>
		<description><![CDATA[This tutorial will show how to control multiple LED outputs from a microcontroller using a CD4067  analog multiplexer. This is a stub. More explanation will follow, but for now, here are schematics and code for Arduino. Parts you&#8217;ll need: CD4067B &#8230; <a href="http://www.tigoe.net/pcomp/code/category/arduinowiring/540">Continue reading <span class="meta-nav">&#8594;</span></a>]]></description>
		<link>http://www.tigoe.net/pcomp/code/category/arduinowiring/540</link>
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		<title>STP16C596 Shift Register</title>
		<description><![CDATA[This tutorial will show how to control multiple LED outputs from a microcontroller using an STP16C596 shift register. The STP16C596 is similar to the popular 74HC595 shift register, but it&#8217;s nicer because it can sink a constant current to the &#8230; <a href="http://www.tigoe.net/pcomp/code/category/arduinowiring/534">Continue reading <span class="meta-nav">&#8594;</span></a>]]></description>
		<link>http://www.tigoe.net/pcomp/code/category/arduinowiring/534</link>
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