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Re: [Shop-talk] Driveway Motion alarm question

To: eric@megageek.com
Subject: Re: [Shop-talk] Driveway Motion alarm question
From: Ronnie Day <ronnie.day@gmail.com>
Date: Wed, 12 May 2021 10:41:37 -0500
Cc: Shop-Talk List <Shop-talk@autox.team.net>
Delivered-to: mharc@autox.team.net
Delivered-to: Shop-talk@autox.team.net
References: <OF38D741A8.ED179AFB-ON852586D3.0053FA3F-852586D3.00546488@mail.megageek.com>
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Check the angle of the sun during the period it's throwing false alarms and
build a cover or shade to block the sunlight on the sensor during those
times? Should be pretty straight forward.

On Wed, May 12, 2021 at 10:22 AM <eric@megageek.com> wrote:

> I have a driveway motion alarm that has work well for years.  Recently, I
> had work on the house and had to move it.
>
> Now, I get a lot of false alarms on sunny days.  It's (I believe) an
> infrared system.  The sensor just puts out a beam and does not require a
> reflector.
>
> The new location is slight higher (about 1') than the old location and
> moved down a bit.  I can't put it back in the old location do to the
> changes.
>
> If I put the sensor indoors, it works perfectly.  It also works perfectly
> at night or during rain.
>
> The side opposite the sensor is a slight hill with grass.  I have
> completely removed all the grass to make sure that wasn't setting it off.
>
> It seems to get false alarms for about an hour during midday on sunny days.
>
> So it seems the sun as something to do with it, but what?  Any ideas I can
> try to stop the false alarms?
>
> Thanks.
>
> Moose_______________________________________________
>
> Shop-talk@autox.team.net
> Donate: http://www.team.net/donate.html
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>
>

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<div dir=3D"ltr">Check the angle of the sun during the period it&#39;s thro=
wing false alarms and build a cover or shade to block the sunlight on the s=
ensor during those times? Should be pretty straight forward.</div><br><div =
class=3D"gmail_quote"><div dir=3D"ltr" class=3D"gmail_attr">On Wed, May 12,=
 2021 at 10:22 AM &lt;<a href=3D"mailto:eric@megageek.com";>eric@megageek.co=
m</a>&gt; wrote:<br></div><blockquote class=3D"gmail_quote" style=3D"margin=
:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"=
><font size=3D"2" face=3D"sans-serif">I have a driveway motion alarm that h=
as
work well for years.=C2=A0 Recently, I had work on the house and had to
move it.</font>
<br>
<br><font size=3D"2" face=3D"sans-serif">Now, I get a lot of false alarms o=
n
sunny days.=C2=A0 It&#39;s (I believe) an infrared system.=C2=A0 The sensor
just puts out a beam and does not require a reflector.</font>
<br>
<br><font size=3D"2" face=3D"sans-serif">The new location is slight higher =
(about
1&#39;) than the old location and moved down a bit.=C2=A0 I can&#39;t put i=
t back
in the old location do to the changes.</font>
<br>
<br><font size=3D"2" face=3D"sans-serif">If I put the sensor indoors, it wo=
rks
perfectly.=C2=A0 It also works perfectly at night or during rain.</font>
<br>
<br><font size=3D"2" face=3D"sans-serif">The side opposite the sensor is a =
slight
hill with grass.=C2=A0 I have completely removed all the grass to make
sure that wasn&#39;t setting it off.</font>
<br>
<br><font size=3D"2" face=3D"sans-serif">It seems to get false alarms for a=
bout
an hour during midday on sunny days.</font>
<br>
<br><font size=3D"2" face=3D"sans-serif">So it seems the sun as something t=
o
do with it, but what?=C2=A0 Any ideas I can try to stop the false alarms?</=
font>
<br>
<br><font size=3D"2" face=3D"sans-serif">Thanks.</font>
<br>
<br><font size=3D"2" face=3D"sans-serif">Moose</font>______________________=
_________________________<br>
<br>
<a href=3D"mailto:Shop-talk@autox.team.net"; target=3D"_blank">Shop-talk@aut=
ox.team.net</a><br>
et=3D"_blank">http://www.team.net/donate.html</a><br>
Archive: <a href=3D"http://www.team.net/pipermail/shop-talk"; rel=3D"norefer=
rer" target=3D"_blank">http://www.team.net/pipermail/shop-talk</a> <a href=
=3D"http://autox.team.net/archive"; rel=3D"noreferrer" target=3D"_blank">htt=
p://autox.team.net/archive</a><br>
<br>
alk/ronnie.day@gmail.com" rel=3D"noreferrer" target=3D"_blank">http://autox=
.team.net/mailman/options/shop-talk/ronnie.day@gmail.com</a><br>
<br>
</blockquote></div>

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