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Simple 12v power on/off with non latch button?

sandman1976

Oct 29, 2012
3
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Oct 29, 2012
Messages
3
Hi all! :)

Does anyone have or know where i can get a circuit diagram for a 12v power on off?

I have a 12v non latching button, i need to power a 12v relay (low current side)
So i need the non latching button to touch on/touch off.

Can anyone help?

Thank You :)
Ade.
 

CocaCola

Apr 7, 2012
3,635
Joined
Apr 7, 2012
Messages
3,635
This will take the momentary and latch it with one press, unlatch with the next press... Make sure to include a flyback diode on the relay coil so you don't toast the board... Depending upon the current (up to 10A) you might even be able to skip the relay and just use this board to do the switching...

http://www.pololu.com/catalog/product/750
 

sandman1976

Oct 29, 2012
3
Joined
Oct 29, 2012
Messages
3
Hmm, need to find this kit in the UK lol, didn't realise i was on an international forum! :)
 

CocaCola

Apr 7, 2012
3,635
Joined
Apr 7, 2012
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3,635
Hmm, need to find this kit in the UK lol, didn't realise i was on an international forum! :)

They ship worldwide, and if you click on the distributors link on their site there are seven UK distributors listed...

I just checked the first UK distributor listed and they list the part it as in stock...
 
Last edited:

sandman1976

Oct 29, 2012
3
Joined
Oct 29, 2012
Messages
3
Great!
I will get one ordered :)

Thanks, will update with the modification im making when it arrives :) :)

Thanks V much..
 

CDRIVE

Hauling 10' pipe on a Trek Shift3
May 8, 2012
4,960
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May 8, 2012
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4,960
Lets see if I can't fix that...

It's 0124 hrs and I'm going to hit the sack with that stuck in my head. I hope I don't wake up my bride because I'm having difficulty with uncontrollable laughter. If you come across a parody for "The Wind Beneath My Wings" let me know. :D

Oldie but a goody.. Google "Cows With Guns". A friend and I used to sing this in bars when we weren't feeling any pain. It's at least 12 years old by now.

Chris
 
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