Re: Is it safe to use a hot-glue gun to keep LED's in place?



On Fri, 27 May 2005 19:59:20 -0700, upgrdman wrote:

> I'm building some LED headlights for my radio-controlled car, and I
> plan to use one of those project boards or whatever they're are called
> to wire my LEDs and their resistors. But my RC car is gas powered, and
> the engine puts out a lot of vibration. I'm concerned that my big white
> LED's will be tugging a little on their solder joints without some sort
> of brace, and I would like to just use some hot-glue form a glue gun.
>
> But I'm new to electronics, and I do not know if the glue would be too
> hot? and I doubt it, but does the glue conduct electricity?
>

I'd build in some kind of strain relief for the LED leads, and smother
the assembly in RTV silicone rubber, that you can get at any hardware
store, "Home Club"-type store, or auto-parts store.

I wouldn't trust hot glue unless it's the type that dries resilient.
(Is there even any such of a thing?) Rigid stuff will crack, although
epoxy might have the kind of toughness that you need.

Good Luck!
Rich


.



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