[Cyborg] 200 laser diodes

Jacob Rosenthal jjrosent at heatsynclabs.org
Thu Jun 3 00:54:03 PDT 2010


Definately put me down.

Sent from my iPhone

On Jun 3, 2010, at 12:22 AM, Eric Boyd <mrericboyd at yahoo.com> wrote:

> More good news, we have a confirmed $3.016/laser price if we order  
> 100+.
>  Currently the order total is ~110.  I'll wait till late tomorrow to
> put the order in, so the people on noisebridge-discuss have time to  
> put
> their names down too.
>
> Jacob - I will ship to you, do you want them?  We do not "need" you  
> for
> scale, but there is another discount at 11 dozen (132) that it would  
> be
> cool to hit.  At 11 dozen, $355.37/132 = $2.69 each.
>
> Eric
>
>
>
>
> <<
> Tim Lee: Hi,Eric.
> Please visit this link or copy the link:
> http://www.aliexpress.com/store/100599/209295727-254566858/1-dozen-12pieces-Laser-Module-w-APC-Diode-driver-built-in-650nm-9mm.html 
> ,
> and choose 8 dozen,choose USA via DHL,i will deliver 100units to
> you.total is:US$301.60.
>
>
>>>> mrericboyd Wed Jun 02 23:50:28 PDT 2010 >>>
> Tim,
>
> Thanks for your quick response. How do I get the discount? The item  
> page
> only lets me order 10. If I put 100 in the box it changes it back to  
> 10.
>
> Eric
>>>
>
> On 6/2/10 11:13 PM, Eric Boyd wrote:
>> Well that was fast, here are the Q&A, both good news!:
>>
>> <<
>> Tim Lee: Hi,Eric,
>> Glad to receive your email.
>> 1)Yes,the goods have drive already,you only put into DC3-5V,red power
>> lead is "+",and black lead is "-".you don't need limit its current.
>> 2)100units have 5% discount.means $2.54 per unit.
>>
>> Best regards
>> Tim Lee
>> Shenzhen Fuzhe Technology Co.,Ltd.
>> FU-Lasers for you!
>> Tel: +86-755-84528255
>> Fax: +86-755-84528390
>> Email:fulaser at gmail.com
>> MSN:mandy-lees at hotmail.com
>>
>>
>>>>> mrericboyd Wed Jun 02 22:26:24 PDT 2010>>>
>> I'm looking at your "Civil Class 3A red 650nm 5mw dot diode laser
>> module", I have two questions:
>>
>> 1) Does it have the drive electronics already included? i.e. can we  
>> just
>> hook up a voltage source to the two leads and expect it to work? Do  
>> we
>> have to limit the current or will it do that?
>>
>> 2) I'm looking for 100+ units, do you offer a volume discount price?
>>
>> Thanks,
>> Eric
>>>>
>>
>>
>>
>> On 6/2/10 10:26 PM, Eric Boyd wrote:
>>> 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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