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	<title>Comments on: Hacking the doorbell</title>
	<atom:link href="http://rooreynolds.com/2008/05/14/hacking-the-doorbell/feed/" rel="self" type="application/rss+xml" />
	<link>http://rooreynolds.com/2008/05/14/hacking-the-doorbell/</link>
	<description>What's Next?</description>
	<pubDate>Mon, 08 Sep 2008 15:16:59 +0000</pubDate>
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		<title>By: jb</title>
		<link>http://rooreynolds.com/2008/05/14/hacking-the-doorbell/#comment-64768</link>
		<dc:creator>jb</dc:creator>
		<pubDate>Fri, 22 Aug 2008 08:14:12 +0000</pubDate>
		<guid isPermaLink="false">http://rooreynolds.com/?p=583#comment-64768</guid>
		<description>Let me compare that to my setup :-)
When someone rings the doorbell and i'm not at home a popup on my PC opens and shows the person at the door (when the PC is online). Otherwise I get an email with the photos. The doorcom calls my mobile phone and I can talk to that person. Of course I can open the door remotely... Or the garage when a mailmal wants to leave a parcel...</description>
		<content:encoded><![CDATA[<p>Let me compare that to my setup :-)<br />
When someone rings the doorbell and i&#8217;m not at home a popup on my PC opens and shows the person at the door (when the PC is online). Otherwise I get an email with the photos. The doorcom calls my mobile phone and I can talk to that person. Of course I can open the door remotely&#8230; Or the garage when a mailmal wants to leave a parcel&#8230;</p>
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		<title>By: Wim L</title>
		<link>http://rooreynolds.com/2008/05/14/hacking-the-doorbell/#comment-64379</link>
		<dc:creator>Wim L</dc:creator>
		<pubDate>Thu, 21 Aug 2008 20:34:40 +0000</pubDate>
		<guid isPermaLink="false">http://rooreynolds.com/?p=583#comment-64379</guid>
		<description>Knock-detectors: &lt;a href="http://spritesmods.com/?art=knock2open" rel="nofollow"&gt;do-it-yourself&lt;/a&gt; and &lt;a href="http://www.knocklock.com/" rel="nofollow"&gt;commercial&lt;/a&gt;.</description>
		<content:encoded><![CDATA[<p>Knock-detectors: <a href="http://spritesmods.com/?art=knock2open" rel="nofollow">do-it-yourself</a> and <a href="http://www.knocklock.com/" rel="nofollow">commercial</a>.</p>
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		<title>By: richieacc</title>
		<link>http://rooreynolds.com/2008/05/14/hacking-the-doorbell/#comment-64190</link>
		<dc:creator>richieacc</dc:creator>
		<pubDate>Thu, 21 Aug 2008 11:40:32 +0000</pubDate>
		<guid isPermaLink="false">http://rooreynolds.com/?p=583#comment-64190</guid>
		<description>How about taking a webcam apart, and mounting the lens inside your peephole?  Then, when the doorbell is rung, you can be emailed, or even MMS'd an image of the person at the door...</description>
		<content:encoded><![CDATA[<p>How about taking a webcam apart, and mounting the lens inside your peephole?  Then, when the doorbell is rung, you can be emailed, or even MMS&#8217;d an image of the person at the door&#8230;</p>
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		<title>By: px-2</title>
		<link>http://rooreynolds.com/2008/05/14/hacking-the-doorbell/#comment-64177</link>
		<dc:creator>px-2</dc:creator>
		<pubDate>Thu, 21 Aug 2008 10:49:41 +0000</pubDate>
		<guid isPermaLink="false">http://rooreynolds.com/?p=583#comment-64177</guid>
		<description>Great idea. Could use an accelerometer chip instead of a piezo to detect knock.</description>
		<content:encoded><![CDATA[<p>Great idea. Could use an accelerometer chip instead of a piezo to detect knock.</p>
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	<item>
		<title>By: Roo</title>
		<link>http://rooreynolds.com/2008/05/14/hacking-the-doorbell/#comment-47863</link>
		<dc:creator>Roo</dc:creator>
		<pubDate>Mon, 26 May 2008 23:09:30 +0000</pubDate>
		<guid isPermaLink="false">http://rooreynolds.com/?p=583#comment-47863</guid>
		<description>The hidden scales sound like fun. Combine it with a &lt;a href="http://www.sparkfun.com/commerce/product_info.php?products_id=639" rel="nofollow"&gt;rangefinder&lt;/a&gt; and you could offer visitors a meal based on their Body Mass Index. 

I was actually looking at SMS operated door locks the other day, thinking that it would be handy to be able to go out without having to take keys. (Especially as I'm better at remembering my phone than my keys). My wife wasn't convinced. In fact, she said "I'm not paying 10p every time I want to open the front door".</description>
		<content:encoded><![CDATA[<p>The hidden scales sound like fun. Combine it with a <a href="http://www.sparkfun.com/commerce/product_info.php?products_id=639" rel="nofollow">rangefinder</a> and you could offer visitors a meal based on their Body Mass Index. </p>
<p>I was actually looking at SMS operated door locks the other day, thinking that it would be handy to be able to go out without having to take keys. (Especially as I&#8217;m better at remembering my phone than my keys). My wife wasn&#8217;t convinced. In fact, she said &#8220;I&#8217;m not paying 10p every time I want to open the front door&#8221;.</p>
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		<title>By: Geoff</title>
		<link>http://rooreynolds.com/2008/05/14/hacking-the-doorbell/#comment-47810</link>
		<dc:creator>Geoff</dc:creator>
		<pubDate>Mon, 26 May 2008 15:13:09 +0000</pubDate>
		<guid isPermaLink="false">http://rooreynolds.com/?p=583#comment-47810</guid>
		<description>I always wanted an outside door mat that weighed whoever was standing there :-)</description>
		<content:encoded><![CDATA[<p>I always wanted an outside door mat that weighed whoever was standing there :-)</p>
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		<title>By: Geoff</title>
		<link>http://rooreynolds.com/2008/05/14/hacking-the-doorbell/#comment-47809</link>
		<dc:creator>Geoff</dc:creator>
		<pubDate>Mon, 26 May 2008 15:11:48 +0000</pubDate>
		<guid isPermaLink="false">http://rooreynolds.com/?p=583#comment-47809</guid>
		<description>It needs a converted cellphone with camera , so I can answer the door where ever I am, then a SMS operated door opener I can always be in for the parcels guy :-)</description>
		<content:encoded><![CDATA[<p>It needs a converted cellphone with camera , so I can answer the door where ever I am, then a SMS operated door opener I can always be in for the parcels guy :-)</p>
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		<title>By: Chris</title>
		<link>http://rooreynolds.com/2008/05/14/hacking-the-doorbell/#comment-47731</link>
		<dc:creator>Chris</dc:creator>
		<pubDate>Sun, 25 May 2008 22:19:05 +0000</pubDate>
		<guid isPermaLink="false">http://rooreynolds.com/?p=583#comment-47731</guid>
		<description>It seems that you might be able to get away with some sort of sound detector or something.. you would have most of the same problems with the analog nature of sound versus the analog nature of a vibrations. By that I mean to say that "when is a knock not really a knock?" (via sound.) But you would have to solve that question using vibrations, also, no?</description>
		<content:encoded><![CDATA[<p>It seems that you might be able to get away with some sort of sound detector or something.. you would have most of the same problems with the analog nature of sound versus the analog nature of a vibrations. By that I mean to say that &#8220;when is a knock not really a knock?&#8221; (via sound.) But you would have to solve that question using vibrations, also, no?</p>
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		<title>By: Roo</title>
		<link>http://rooreynolds.com/2008/05/14/hacking-the-doorbell/#comment-46794</link>
		<dc:creator>Roo</dc:creator>
		<pubDate>Wed, 14 May 2008 18:16:21 +0000</pubDate>
		<guid isPermaLink="false">http://rooreynolds.com/?p=583#comment-46794</guid>
		<description>Yes.. as I typed it I was thinking of piezo elements. I wonder if I could mount something in the wooden panel next to the door, and still pick up enough vibrations when the door is knocked...</description>
		<content:encoded><![CDATA[<p>Yes.. as I typed it I was thinking of piezo elements. I wonder if I could mount something in the wooden panel next to the door, and still pick up enough vibrations when the door is knocked&#8230;</p>
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		<title>By: Nick O'Leary</title>
		<link>http://rooreynolds.com/2008/05/14/hacking-the-doorbell/#comment-46792</link>
		<dc:creator>Nick O'Leary</dc:creator>
		<pubDate>Wed, 14 May 2008 17:31:27 +0000</pubDate>
		<guid isPermaLink="false">http://rooreynolds.com/?p=583#comment-46792</guid>
		<description>"neither rung the doorbell nor &lt;i&gt;knocked on the door&lt;/i&gt;."

That has got me thinking... we need a vibration sensor for the cases where the visitor doesn't ring the bell but knocks instead. Could also be used to spot things being posted through the letterbox.</description>
		<content:encoded><![CDATA[<p>&#8220;neither rung the doorbell nor <i>knocked on the door</i>.&#8221;</p>
<p>That has got me thinking&#8230; we need a vibration sensor for the cases where the visitor doesn&#8217;t ring the bell but knocks instead. Could also be used to spot things being posted through the letterbox.</p>
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