[tech] Projector

Justin Wake spectre at ucc.asn.au
Thu Aug 27 14:34:18 WST 2009


That's what the big 3W and 5W Luxeon and Cree LEDs are for. Might be  
okay for use in a dark room and relatively low brightness, I guess.

On 27/08/2009, at 2:31 PM, mitch at ucc.gu.uwa.edu.au wrote:

> I had an idea of using LED's, But not sure if you could provide  
> enough light to do it, The highest MCD leds i could find where  
> 40,000MCD Pure White, they retail for $3.90 Each.. And you would  
> probably need 100+ to get any sort of decent output.
>
> But still Much cheaper than replacing the globe every 1500hrs. :)
>
> Mitch
>
> Quoting bob at ucc.gu.uwa.edu.au:
>
>> Turned out the problem was just a missing cover. The projector has  
>> a sensor for this, which when the cover is missing, won't allow the  
>> projector to start. It works now. Some of us were chatting in the  
>> clubroom about the possibility of members being able to borrow the  
>> projectors for a small fee, so if there were multiple projectors  
>> this could perhaps work.
>>
>> Bob
>>
>>
>> Quoting "Patrick Coleman" <blinken at gmail.com>:
>>
>>> On Thu, Aug 27, 2009 at 1:55 PM, <bob at ucc.gu.uwa.edu.au> wrote:
>>>> Actually, cancel that request, I found out how to do it from the  
>>>> control
>>>> panel, to no effect.
>>>> Bob
>>>
>>> Also, resetting the timer is kinda dangerous, because they do  
>>> explode
>>> and spew out nasty chemicals if misused (as anyone who went to a  
>>> PLUG
>>> seminar a few months ago can attest). The timer is a safety thing.
>>>
>>> If the lamp blew up or expired it's likely the projector itself is  
>>> ok,
>>> if you can find a replacement lamp. Alternately, I've got a few
>>> projectors as part of that computer angels shipment that UCC can  
>>> have,
>>> though they are low-res (800x600 or possibly some 1024x768 ones).
>>>
>>> -Patrick
>>>
>>> --
>>> http://www.labyrinthdata.net.au - WA Backup, Web and VPS Hosting
>>>
>>
>>
>



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