[Lab] AC adapter question

[Britta Evans-Fenton]

sorry that was a Maybe I AM drawing too many Amps.  (thanks for the help
Darcy)

Britta
*Technical Coordinator *
Artengine.ca

Ottawa Mini Maker Faire
Aug. 31 & Sept. 1 2013
www.makerfaireottawa.com
@MakerFaireOTT
#MMFO


On Thu, Jul 11, 2013 at 4:41 PM, Britta Evans-Fenton <technical at artengine.ca
> wrote:

> Maybe I'm drawing too much Amps.  Would you recommend this AC converter
> over the last one:
> http://www.digikey.ca/product-detail/en/LS150-5/285-1817-ND/1918828
>
> I would have Amps to spare on this one.
>
> Britta
> *Technical Coordinator *
> Artengine.ca
>
> Ottawa Mini Maker Faire
> Aug. 31 & Sept. 1 2013
> www.makerfaireottawa.com
> @MakerFaireOTT
> #MMFO
>
>
> On Thu, Jul 11, 2013 at 4:32 PM, Britta Evans-Fenton <
> technical at artengine.ca> wrote:
>
>> There are 188 IR leds:
>> http://www.digikey.ca/product-detail/en/QED233/QED233-ND/187410  All
>> connected in parallel each with their own Resistor ( 91 OHM 1/4W 5% CARBON
>> FILM)
>>
>> Britta
>> *Technical Coordinator *
>> Artengine.ca
>>
>> Ottawa Mini Maker Faire
>> Aug. 31 & Sept. 1 2013
>> www.makerfaireottawa.com
>> @MakerFaireOTT
>> #MMFO
>>
>>
>> On Thu, Jul 11, 2013 at 4:00 PM, Ken <klmckinnon at rogers.com> wrote:
>>
>>>  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.
>>>
>>> Ken
>>>
>>>
>>> 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 :
>>>
>>> http://www.digikey.ca/product-detail/en/VGS-25-5/102-1928-ND/2045659
>>>
>>>
>>>  Here are the IR LEDS:
>>>
>>> http://www.digikey.ca/product-detail/en/QED233/QED233-ND/187410
>>>
>>>
>>>  And the Resistors I have on them were 91 OHM 1/4W 5% CARBON FILM.
>>>
>>>
>>>   Britta
>>>  *Technical Coordinator *
>>>  Artengine.ca
>>>
>>> Ottawa Mini Maker Faire
>>> Aug. 31 & Sept. 1 2013
>>> www.makerfaireottawa.com
>>> @MakerFaireOTT
>>> #MMFO
>>>
>>>
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>>
>>
>
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