kill switch diagram not working

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peterubers

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Joined: December 29, 2006

Location: United States

Posted: April 02, 2007 at 6:30 PM / IP Logged

http://www.minute-man.com/acatalog/Philmore_Minature_PCB_Power_Relays.html

This site has minimum 3 volt relays ... perhaps you can mount it to a circuit board, then using a project enclosure (radioshack) and have this 3 volt relay drive an automotive SPDT relay that'll run your whole setup.

The search function is your friend.

lexelite

Copper - Posts: 82

Joined: October 16, 2005

Posted: April 02, 2007 at 6:52 PM / IP Logged

peterubers wrote:

http://www.minute-man.com/acatalog/Philmore_Minature_PCB_Power_Relays.html

Thats a great option! I was reviewing the Soundgate, PIE, PAC, and Peripheral Low Voltage Triggers and they seem relatively pricey. Was wondering of the 4 options here for a low voltage trigger, which one(s) is the most reliable?

Any experience?

peterubers

Silver - Posts: 706

Joined: December 29, 2006

Location: United States

Posted: April 02, 2007 at 7:03 PM / IP Logged

I have used low voltage relays for other electronic devices... but when I searched for these (after reading your post) I was looking for cost-effective... I used a low-voltage relay that I ordered through radioshack's catalog a year ago for a model airplane... worked like a charm (for that application) (3 volt lighting system from a 14.4vdc recharchable battery system)

For the low cost of these relays in the link, you really can't go wrong .. I would opt for the 3vdc power relay to make sure you always can start your car even if the antenna power wire dips close to 3vdc. If you went with a 5vdc relay ... the pull-in voltage is 75% of that .. so a little over 3dvc.... so it may drop the 12 volt relaying every once in a while...

The search function is your friend.

peterubers

Silver - Posts: 706

Joined: December 29, 2006

Location: United States

Posted: April 02, 2007 at 7:13 PM / IP Logged

I would also use a variable DC transformer (available pretty much anywhere, wal-mart, radioshack, etc) to test this low-voltage relay and see if the trigger really falls out below 3vdc.

The search function is your friend.

peterubers

Silver - Posts: 706

Joined: December 29, 2006

Location: United States

Posted: April 02, 2007 at 7:30 PM / IP Logged

http://www.discount/detail.aspx?ID=370

$18.00 for 1 volt PIE trigger at this site, already has enclosure and is pre-wired.. may be the better way to go.

The search function is your friend.

lexelite

Copper - Posts: 82

Joined: October 16, 2005

Posted: April 02, 2007 at 9:35 PM / IP Logged

Thanks!

I already used a radioshack project box for the 2 kill-switch relays. Underneath the hood, real-estate is at a premium, so I will be choosing the smallest prewired option.

Of which, the Peripheral LVT can be triggered at 1V as well and costs ~$5 cheaper than the PIE equivalent.

Will choose this option and be complete with the setup as soon as it arrives.

Thanks for all the help guys !! The setup was a PITA, but will be well worth it. kill switch diagram not working - Page 2 -- posted image.

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kill switch diagram not working

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