[Message Prev][Message
Next][Thread Prev][Thread Next][Message
Index][Thread Index]
Re: Garage door automation - position detection
--089e013c6f9c9532c004f196ba75
Content-Type: text/plain; charset=ISO-8859-1
I like your style! :-)
--
Rob Iles
Harmony Automation (www.domialifestyle.com)
myBBS (www.mybbs.co.uk)
On 4 Feb 2014 15:52, "ant" <blowback@xxxxxxx> wrote:
>
>
> I built a prototype garage door position sensor by having the door
pull
> the inertia reel seatbelt (disable the inertia mechanism) from an old
Metro
> over the guts of a cheap optical mouse. Works fairly well as long as
you
> build some sort of rig to keep the mouse pressed against the fabric. I
also
> tried a steel tape measure, but the mouse had trouble seeing the shiny
> curved surface. Some sort of shaft encoder would probably work well
too.
>
> cheers
>
> ant
>
>
> On 1 February 2014 14:03, Simon McCaughey <simonmcc@xxxxxxx>
wrote:
>
>>
>>
>> I have automatic garage roller doors installed which operate from
a
>> remote control. Recently I have been working on a project to use a
>> Raspberry Pi to remote control them. So I have some relay outputs,
and that
>> all works fine.
>>
>> I also decided to install a beam detector, so that if the door is
closing
>> and the beam is broken that the door will reverse.
>>
>> To detect if the door is open or closed I planned to use magnetic
reed
>> switches - one at the top and one at the bottom, nice and simple
way to
>> know where the door is (I don't care where it is at if it is
somewhere in
>> the middle
>>
>> The problem: I have tried and tried, but I can't come up with a
position
>> for the switches that works, its really tricky, far worse than I
thought it
>> would be, it is hard to get them in a position where they are
triggered by
>> the magnets.
>>
>> Any other suggestions for door position sensing? I thought of
>> microswitches with a actuator arm, but again I'm not sure where
they could
>> be positioned.
>>
>> Regards
>>
>> Simon
>> ---
>>
>>
>>
>>
>
>
--089e013c6f9c9532c004f196ba75
Content-Type: text/html; charset=ISO-8859-1
Content-Transfer-Encoding: 7bit
<head>
<style type="text/css">
<!--
/* start of attachment style */
.ygrp-photo-title{
clear: both;
font-size: smaller;
height: 15px;
overflow: hidden;
text-align: center;
width: 75px;
}
div.ygrp-photo{
background-position: center;
background-repeat: no-repeat;
background-color: white;
border: 1px solid black;
height: 62px;
width: 62px;
}
div.photo-title
a,
div.photo-title a:active,
div.photo-title a:hover,
div.photo-title a:visited {
text-decoration: none;
}
div.attach-table div.attach-row {
clear: both;
}
div.attach-table div.attach-row div {
float: left;
/* margin: 2px;*/
}
p {
clear: both;
padding: 15px 0 3px 0;
overflow: hidden;
}
div.ygrp-file {
width: 30px;
valign: middle;
}
div.attach-table div.attach-row div div a {
text-decoration: none;
}
div.attach-table div.attach-row div div span {
font-weight: normal;
}
div.ygrp-file-title {
font-weight: bold;
}
/* end of attachment style */
-->
</style>
</head>
<html>
<head>
<style type="text/css">
<!--
#ygrp-mkp {
border: 1px solid #d8d8d8;
font-family: Arial;
margin: 10px 0;
padding: 0 10px;
}
#ygrp-mkp hr {
border: 1px solid #d8d8d8;
}
#ygrp-mkp #hd {
color: #628c2a;
font-size: 85%;
font-weight: 700;
line-height: 122%;
margin: 10px 0;
}
#ygrp-mkp #ads {
margin-bottom: 10px;
}
#ygrp-mkp .ad {
padding: 0 0;
}
#ygrp-mkp .ad p {
margin: 0;
}
#ygrp-mkp .ad a {
color: #0000ff;
text-decoration: none;
}
-->
</style>
</head>
<body>
<!-- **begin egp html banner** -->
<br><br>
<!-- **end egp html banner** -->
<p dir="ltr">I like your style! :-) </p>
<p dir="ltr">--<br>
Rob Iles<br>
Harmony Automation (<a href="http://www.domialifestyle.com";>www.domialifestyle.com</a>)
<br>
myBBS (<a href="http://www.mybbs.co.uk";>www.mybbs.co.uk</a>)
</p>
<div class="gmail_quote">On 4 Feb 2014 15:52,
"ant" <<a href="mailto:blowback@xxxxxxx";>blowback@xxxxxxx</a>>
wrote:<br type="attribution"><blockquote
class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px
#ccc solid;padding-left:1ex">
<u></u>
<div style>
<span> </span>
<div>
<div>
<div>
<p><div dir="ltr">I built a prototype garage door
position sensor by having the door pull the inertia reel seatbelt (disable
the inertia mechanism) from an old Metro over the guts of a cheap optical
mouse. Works fairly well as long as you build some sort of rig to keep the
mouse pressed against the fabric. I also tried a steel tape measure, but
the mouse had trouble seeing the shiny curved surface. Some sort of shaft
encoder would probably work well too. <div>
<br></div><div>cheers</div><div><br></div><div>ant</div></div><div
class="gmail_extra"><br><br><div
class="gmail_quote">On 1 February 2014 14:03, Simon McCaughey
<span dir="ltr"><<a href="mailto:simonmcc@xxxxxxx";
target="_blank">simonmcc@xxxxxxx</a>></span>
wrote:<br>
<blockquote class="gmail_quote" style="border-left:1px
#ccc solid">
<div>
<br><br>
<div dir="ltr">I have automatic garage roller doors
installed which operate from a remote control. Recently I have been working
on a project to use a Raspberry Pi to remote control them. So I have some
relay outputs, and that all works fine. <div>
<br></div><div>I also decided to install a beam detector,
so that if the door is closing and the beam is broken that the door will
reverse. </div><div><br></div><div>To
detect if the door is open or closed I planned to use magnetic reed
switches - one at the top and one at the bottom, nice and simple way to
know where the door is (I don't care where it is at if it is
somewhere in the middle</div>
<div><br></div><div>The problem: I have tried and
tried, but I can't come up with a position for the switches that
works, its really tricky, far worse than I thought it would be, it is hard
to get them in a position where they are triggered by the
magnets.</div>
<div><br></div><div>Any other suggestions for door
position sensing? I thought of microswitches with a actuator arm, but again
I'm not sure where they could be
positioned.<br><div><br
clear="all"><div><div dir="ltr">
Regards<br>
<br>Simon<div>---</div><div><br></div></div></div>
</div></div></div>
<br>
<br>
<div width="1" style="color:white"></div>
</div>
</blockquote></div><br></div>
</p>
</div>
<div style="color:#fff;min-height:0"></div>
</div>
</blockquote></div>
<!-- **begin egp html banner** -->
<br>
<br>
<!-- **end egp html banner** -->
<div width="1" style="color: white; clear:
both;"/>__._,_.___</div>
<!-- Start Recommendations -->
<!-- End Recommendations -->
<!-- **begin egp html banner** -->
<br><br>
<tt>
<*> Join the Automated Home Forums<BR>
<a href="http://www.automatedhome.co.uk/vbulletin/";>http://www.automatedhome.co.uk/vbulletin/</a><BR>
<BR>
<*> UKHA_D Mailing list in association with:<BR>
<a href="http://www.automatedhome.co.uk";>http://www.automatedhome.co.uk</a><BR>
<BR>
<BR>
</tt>
<br><br>
<!-- **end egp html banner** -->
<!-- **begin egp html banner** -->
<img src="http://geo.yahoo.com/serv?s=97476590/grpId=1109639/grpspId=1705041992/msgId=164670/stime=1391529586";
width="1" height="1"> <br>
<!-- **end egp html banner** -->
<!-- **begin egp html banner** -->
<br>
<div style="font-family: verdana; font-size: 77%; border-top: 1px
solid #666; padding: 5px 0;" >
Your email settings: Individual EmailTraditional <br>
<a href="http://groups.yahoo.com/group/ukha_d/join;_ylc=X3oDMTJmbjVqYzFtBF9TAzk3NDc2NTkwBGdycElkAzExMDk2MzkEZ3Jwc3BJZAMxNzA1MDQxOTkyBHNlYwNmdHIEc2xrA3N0bmdzBHN0aW1lAzEzOTE1Mjk1ODY-";>Change
settings via the Web</a> (Yahoo! ID required) <br>
Change settings via email: <a href="mailto:ukha_d-digest@xxxxxxx?subject=Email
Delivery: Digest">Switch delivery to Daily Digest</a> <a
href = "mailto:ukha_d-fullfeatured@xxxxxxx?subject=Change
Delivery Format: Fully Featured">Switch to Fully Featured</a>
<br>
<a href="http://groups.yahoo.com/group/ukha_d;_ylc=X3oDMTJkaGF0cGM2BF9TAzk3NDc2NTkwBGdycElkAzExMDk2MzkEZ3Jwc3BJZAMxNzA1MDQxOTkyBHNlYwNmdHIEc2xrA2hwZgRzdGltZQMxMzkxNTI5NTg2";>
Visit Your Group
</a>
<a href="http://info.yahoo.com/legal/us/yahoo/utos/terms/";>
Yahoo! Groups Terms of Use
</a>
<a href="mailto:ukha_d-unsubscribe@xxxxxxx?subject=Unsubscribe";>
Unsubscribe
</a>
<br>
</div>
<br>
<!-- **end egp html banner** -->
<div style="color: white; clear:
both;"/>__,_._,___</div>
</body>
</html>
--089e013c6f9c9532c004f196ba75--
UKHA_D Main Index |
UKHA_D Thread Index |
UKHA_D Home |
Archives Home
|