[Lab] AC adapter question
klmckinnon at rogers.com
Thu Jul 11 19:00:57 EDT 2013
It should power a LOT of LED's. How many were you using and what sort
of current limiting resistor did you have....a quick circuit diagram
would tell a lot.
On 7/11/2013 6:49 PM, Britta Evans-Fenton wrote:
> A little question about AC adapters.
> I have an artwork that I did that I used an AC adapter to get power.
> It was on for 4 days during a show, and I was surprised on how hot it
> got. (I almost burned myself). I did have duct tape on it holding it
> to the back of a wall, so that may have been half the problem.
> I'm showing the work again, but I'm wanting to make sure everything is
> safe. I need to hide the adapter due to aesthetic reasons, so I
> wanted to create a little white box around it with air holes, and I
> was suggested a fan, although it if it getting hot due to over
> working, adding another fan might not be a good idea.
> It is only a bunch of IR leds that it is powering, so I'm surprised at
> the power I am needing.
> any help would be very well appreciated.
>>> Here is the Adapter I used :
>>> Here are the IR LEDS:
>>> And the Resistors I have on them were 91 OHM 1/4W 5% CARBON FILM.
> /Technical Coordinator /
> Ottawa Mini Maker Faire
> Aug. 31 & Sept. 1 2013
> www.makerfaireottawa.com <http://www.makerfaireottawa.com>
> Lab mailing list
> 1. subscribe http://artengine.ca/mailman/listinfo/lab
> 2. then email Lab at artengine.ca
-------------- next part --------------
An HTML attachment was scrubbed...
More information about the Lab