[Swansea Hackspace] LED diffuser

[Tim Moore]

Ordered those a few days ago !

Many thanks,

:  )))

Tim

On 17 November 2014 17:49, Ceri Clatworthy <ceri.clatworthy at gmail.com>
wrote:

> Hope you have a good PSU or driver circuit.
>
> And possibly a heat-sink !!!
>
> Ceri
>
> On Mon, Nov 17, 2014 at 5:32 PM, Tim Moore <timmoore47 at gmail.com> wrote:
>
>> Many thanks Ceri, I've ordered one and I'll see what I can get out of it
>> !  Price is brilliant !
>>
>> :  ))))
>>
>> Tim
>>
>> On 17 November 2014 17:16, Ceri Clatworthy <ceri.clatworthy at gmail.com>
>> wrote:
>>
>>>
>>> http://www.banggood.com/5W-Round-COB-LED-Bead-Chips-For-Down-Light-Ceiling-Lamp-DC-15-17V-p-919789.html
>>>
>>> On Sun, Nov 16, 2014 at 6:12 PM, Tim Moore <timmoore47 at gmail.com> wrote:
>>>
>>>> Off Topic
>>>>
>>>> I'm try to get some 12v 10W cob white light led chips but all I can
>>>> find is the round ones from RS.   Anybody know of a source for the square
>>>> ones ?
>>>>
>>>> :  )
>>>>
>>>> Tim_1
>>>>
>>>> On 10 November 2014 15:35, Graham Owens <grahamowensuk at googlemail.com>
>>>> wrote:
>>>>
>>>>> Hi Jon,  thanks for that, just done some searching, and it seems to be
>>>>> a hotly debated topic which is best for table tennis, almost as bad as the
>>>>> pic/avr debate lol.
>>>>>
>>>>> I have found a couple of 'club' balls (plastic) as opposed to 'match'
>>>>> balls (cellulose)- i will do some *destructive testing* ;) tomorrow night
>>>>> to see how prone they are to catch on fire.
>>>>>
>>>>> I have to admit, i love how uniform the light is from them :)
>>>>>
>>>>> Will add some pictures to the site.
>>>>>
>>>>> Best Regards
>>>>>
>>>>> Graham
>>>>>
>>>>> On 10 Nov 2014, at 10:15, jon lilley <jon.j.lilley at gmail.com> wrote:
>>>>>
>>>>> You could use "practice" ping-pong balls.
>>>>> 10 for 99p from China, and they're not made of celluloid, so they're
>>>>> not prone to bursting into flame. :)
>>>>>
>>>>> J
>>>>> On 9 Nov 2014 22:16, "Graham Owens" <grahamowensuk at googlemail.com>
>>>>> wrote:
>>>>>
>>>>>> Gah, the ping pong's give exactly the look I wanted but I don't want
>>>>>> to cause a fire hazard, and the triangles look really cool, are safe but
>>>>>> are pretty hard to make. (in comparison to sticking a pingpong over an led)
>>>>>>
>>>>>> Think I will have to keep looking.
>>>>>> ------------------------------
>>>>>> From: Gerrit Niezen <gerrit.niezen at gmail.com>
>>>>>> Sent: ‎09/‎11/‎2014 21:37
>>>>>> To: Swansea Hackspace <hackspace at swansea.hackspace.org.uk>
>>>>>> Subject: Re: [Swansea Hackspace] LED diffuser
>>>>>>
>>>>>> This LED triangle creates a beautiful even diffusion using acrylic
>>>>>> and a painted cavity:
>>>>>> http://www.instructables.com/id/Making-a-great-LED-triangle/ (laser
>>>>>> cutter required)
>>>>>>
>>>>>> With regards to ping pong balls - keep in mind that they’re very
>>>>>> flammable:
>>>>>>
>>>>>> http://dangerousprototypes.com/2012/06/08/warning-ping-pong-balls-are-very-flammable/
>>>>>>
>>>>>>
>>>>>> On 9 Nov 2014, at 20:18, Graham Owens <grahamowensuk at googlemail.com>
>>>>>> wrote:
>>>>>>
>>>>>> It was me,
>>>>>>
>>>>>> and i have to say they look pretty awesome, very much what i was
>>>>>> looking for.
>>>>>>
>>>>>> Today i have mostly been doing a teach the wife arduino day, and we
>>>>>> have come up the a colour changing, temperature sensing pteranodon that
>>>>>> flaps its wings when it detects motion.
>>>>>>
>>>>>> pictures and a video to follow :)
>>>>>>
>>>>>> On 9 November 2014 20:06, Justin Mitchell <justin at discordia.org.uk>
>>>>>> wrote:
>>>>>>
>>>>>>> Someone was asking about good diffusers for an LED the other day?
>>>>>>>
>>>>>>> Just seen this article using ping pong balls, looks pretty good.
>>>>>>>
>>>>>>> https://plus.google.com/u/0/101411395547219906775/posts/fJvzXwBzi4m
>>>>>>>
>>>>>>> _______________________________________________
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>>>>>>>
>>>>>>
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>>>>>>
>>>>>>
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>>>>>
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>>>>>
>>>>
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>
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