Controlling leds?

M

Mr.B

Limp Gawd
Joined
Aug 24, 2004
Messages
252
Can leds be controlled on a switch. I was to put some leds in some plexi, but i only want it to be on when I want them to be on, so can i have the current dependant on some type of toggle switch?

Thanx guys.
 
Yeah, just throw a toggle switch on the positive wire (which ever you're using, 12v, 5 v whatever), and your good to go.
 
You can also put the toggle switch on the negative wire and it will work just as well.
 
Make sure you use the voltage that the LED is rated for. If it only has a current rating your going to have to put in a limiting resistor in series with it.
 
It's often best to always use a series resistor anyway, since LED's actual voltage drop will differ slightly from what's advertised. And you so rarely can find LED's which match up precisely with your supply voltage.
 
that and they warmer they get the more productive they get, safety first...
 
Sesheron said:
that and they warmer they get the more productive they get, safety first...
Click to expand...
I'm not sure I understand what you're saying completely... there are no real safety risks from running a LED above it's rated current, but they will burn out much faster.
 
mattg2k4 said:
I'm not sure I understand what you're saying completely... there are no real safety risks from running a LED above it's rated current, but they will burn out much faster.
Click to expand...

Cheese had one explode on him... :D
 
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