12 Volt Proximity Kill Switch

Thread Starter

Infidelophile

Joined Feb 22, 2022
2
Hello

I have a stand-up paddleboard to which I have attached a 12 volt trolling motor. I'm in need of a kill switch that is proximity activated so when I leave a determined radius, power is discontinued. I would like to attach the wireless trigger to my life vest.
 

djsfantasi

Joined Apr 11, 2010
8,684
Doable.
I would suggest looking into a magnetic reed switch first. A magnet tied to a lanyard is a simple solution that should not be ignored.
…which doesn’t depend on an electronic circuit that could fail from the moisture and permanently supply power / continuity to the motor.
 

MisterBill2

Joined Jan 23, 2018
13,838
If none of those suggested can be found, many boats use such to kill the engine if the driver falls out. So a marine supply shop should have one made for the application. Avoid a trailer breakaway switch because they switch ON when the lanyard is pulled..
And a wireless is about the most likely to fail at the worst possible time.
 
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