REFLECTOR:Looking for suggestions about fire detection
Dave Scharfenberg
reflector@tvbf.org
Sun, 18 May 2003 22:45:02 -0500
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I got mine at Radio Shack
Dave Scharfenberg
std/RG
on 5/18/03 7:53 AM, Ronnie Brown at romott@adelphia.net wrote:
Wayne.
How about a part number? I did a search on Thermal at Digikey and got no
response.
THANKS!
Ronnie
----- Original Message -----
From: Wayne Owens <mailto:wamowens@bellsouth.net>
To: reflector@tvbf.org
Sent: Saturday, May 17, 2003 6:12 PM
Subject: Re: REFLECTOR:Looking for suggestions about fire detection
I used Thermal fuses (from Digi-Key) in a string (series) around likely hot
spots. One end is grounded and the other end is tied to the anode of a
flashing red LED (also Digi-Key)on my annunciator panel. The LED anode is
fed from a resistor tied to positive voltage (cathode is grounded) but the
fuse string keeps the anode low until one of them blows (overheats). That
allows current to flow through the flashing LED to ground.
You should insert a normally closed "press to test" switch in the string
also.
Wayne
----- Original Message -----
From: PVTPIL8@aol.com
To: reflector@tvbf.org
Sent: Saturday, May 17, 2003 4:18 PM
Subject: REFLECTOR:Looking for suggestions about fire detection
I've got the fire suppression worked out now were looking for the early
detection. Anyone have some suggestions. Wayne or Scott??
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I got mine at Radio Shack<BR>
<BR>
<BR>
Dave Scharfenberg<BR>
std/RG<BR>
<BR>
<BR>
<BR>
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on 5/18/03 7:53 AM, Ronnie Brown at romott@adelphia.net wrote:<BR>
<BR>
<BLOCKQUOTE><FONT SIZE=3D"2">Wayne.<BR>
</FONT> <BR>
<FONT SIZE=3D"2">How about a part number? I did a search on Thermal at =
Digikey and got no response.<BR>
</FONT> <BR>
<FONT SIZE=3D"2">THANKS!<BR>
Ronnie<BR>
</FONT> <BR>
----- Original Message ----- <BR>
<B>From:</B> Wayne Owens <<FONT COLOR=3D"#0000FF"><U>mailto:wamowens@bells=
outh.net</U></FONT>> <BR>
<B>To:</B> <FONT COLOR=3D"#0000FF"><U>reflector@tvbf.org</U></FONT> <BR>
<B>Sent:</B> Saturday, May 17, 2003 6:12 PM<BR>
<B>Subject:</B> Re: REFLECTOR:Looking for suggestions about fire detection<=
BR>
<BR>
<FONT SIZE=3D"2"><FONT FACE=3D"Arial">I used Thermal fuses (from Digi-Key) in a=
string (series) around likely hot spots. One end is grounded and the other =
end is tied to the anode of a flashing red LED (also Digi-Key)on my annuncia=
tor panel. The LED anode is fed from a resistor tied to positive voltage (ca=
thode is grounded) but the fuse string keeps the anode low until one of them=
blows (overheats). That allows current to flow through the flashing LED to =
ground.<BR>
You should insert a normally closed "press to test" switch in th=
e string also.<BR>
Wayne<BR>
</FONT></FONT><BLOCKQUOTE>----- Original Message ----- <BR>
<B>From:</B> <FONT COLOR=3D"#0000FF"><U>PVTPIL8@aol.com</U></FONT> <BR>
<B>To:</B> <FONT COLOR=3D"#0000FF"><U>reflector@tvbf.org</U></FONT> <BR>
<B>Sent:</B> Saturday, May 17, 2003 4:18 PM<BR>
<B>Subject:</B> REFLECTOR:Looking for suggestions about fire detection<BR>
<BR>
<FONT SIZE=3D"2"><FONT FACE=3D"Arial">I've got the fire suppression worked out =
now were looking for the early detection. Anyone have some suggestions. &nbs=
p;Wayne or Scott??</FONT></FONT> <BR>
</BLOCKQUOTE></BLOCKQUOTE><BR>
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