[Cyborg] 200 laser diodes

Eric Boyd mrericboyd at yahoo.com
Wed Jun 2 22:26:36 PDT 2010


I've sent a question to the seller about the included electronics and 
volume discount price.  Here's hoping they have someone who reads & 
writes english :-)

Eric



On 6/2/10 1:47 PM, Rachel McConnell wrote:
> Oh man laser outfit... I sure want some.  That link gives pricing for
> 1-10, maybe if we end up wanting a bunch more they might provide a
> further discount?
>
> I wonder if one could have a built-in smoke machine emitting particles
> along with the laser beam for best viewing.  I saw a smoke machine on an
> outfit over the weekend, I will see if I can contact the maker of that
> and get more details.
>
> Rachel
>
> Eric Boyd wrote:
>> I sent a contact thing to the dude, asking if he's got any design
>> information up anywhere, and about eye-safety of the device.  Because I
>> think that's the key thing here: can a beam which is visible in e.g. a
>> club (dim lights) also be eye-safe?
>>
>> According to wikipedia (http://en.wikipedia.org/wiki/Laser_safety), to
>> be legal (=eye safe), the laser must be<5mW, that makes it fall into
>> class IIIa (now class 3R).  I found some fairly cheap IIIa laser diodes:
>>
>> http://www.aliexpress.com/product-gs/263635799-Civil-Class-3A-red-650nm-5mw-dot-diode-laser-module-wholesalers.html
>>
>> It's not clear to me if you need an external circuit other than a
>> current-controlled voltage source to drive these.  I don't think so, I
>> think that's what they mean by "module" as opposed to just buying the
>> diode.  If you do just need a current controlled voltage source, we
>> should be able to drive these directly from the North Paw circuit, all
>> we need is some resistors in series with the "motor" outputs.
>>
>> But I agree that while building the device, we'd need to have some
>> goggles.  It'd give you a headache for sure if you caught one in the eye
>> more than a few dozen times.
>>
>> Anyone else interested in bulk ordering of these?  With shipping they
>> are going to be about $4 each, so for<$50 you can have a pretty decent
>> number of them.
>>
>> Eric
>>
>>
>>
>>
>> On 6/2/10 11:52 AM, kristinneidlinger wrote:
>>> I want to build one!
>>> I did some design research of where they should be placed for a postal
>>> feedback suit and ended up with a huge headache!  So, we should look
>>> into some goggles too...
>>>
>>> k
>>>
>>>
>>>
>>> On Wed, Jun 2, 2010 at 10:39 AM, Eric Boyd<mrericboyd at yahoo.com
>>> <mailto:mrericboyd at yahoo.com>>  wrote:
>>>
>>>      http://www.behance.net/Gallery/200-LDs-Stage-Suit-icommercial-casei/493017
>>>
>>>      OMG, this is the awesome-est light-up wearable outfit I've seen yet.
>>>      Lasers make LEDs seem so boring!  Even the "laser suit sample" is wicked
>>>      cool:
>>>
>>>      http://www.behance.net/Gallery/Laser-suit-sample/464787
>>>
>>>      Who wants to build one? I'm super keen, and if we build multiple units
>>>      we can push down the cost a little (laser diodes are expensive...)
>>>
>>>      Eric
>>>      _______________________________________________
>>>      Cyborg mailing list
>>>      Cyborg at lists.noisebridge.net<mailto:Cyborg at lists.noisebridge.net>
>>>      https://www.noisebridge.net/mailman/listinfo/cyborg
>>>
>>>
>>>
>>>
>>> --
>>> . . .  .  *
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