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Old 04-14-2011, 04:50 PM #97
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Default Re: The SimpleDrive2 - Very easy to set! Drives red out of a single li-ion!

Are you looking to make money from this, or just to get enough interest to sustain the runs/group buys ?


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Old 04-14-2011, 05:09 PM #98
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Default Re: The SimpleDrive2 - Very easy to set! Drives red out of a single li-ion!

Of course I'm not planning to work free, but I plan to have my cut very small.
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Old 04-14-2011, 05:13 PM #99
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Default Re: The SimpleDrive2 - Very easy to set! Drives red out of a single li-ion!

Well, if the driver is a *business* idea, then I think you'll need some solid performance and testing data behind it before anyone would considering stocking the driver as a "product".

If you're doing this as a "community project", then I think you can get away with selling it for a tad more than it costs, to cover your assembly time, and the community will test them for you.

But I don't think you can have the *best of both worlds*
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Old 04-14-2011, 06:00 PM #100
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Default Re: The SimpleDrive2 - Very easy to set! Drives red out of a single li-ion!

Exactly. More like community. I predict a feeler in my future.
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Old 04-15-2011, 03:42 AM #101
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Default Re: The SimpleDrive2 - Very easy to set! Drives red out of a single li-ion!

Thats Nice especially since you can just set your current by bridging two pads

Goodwork i would love to see a company like Moderx, Hightechdealz or stonetek etc carry them
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Old 04-16-2011, 08:02 PM #102
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Default Re: The SimpleDrive2 - Very easy to set! Drives red out of a single li-ion!

Laseries and Laserists, prices calculated, feeler going up!
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Old 04-16-2011, 08:10 PM #103
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Default Re: The SimpleDrive2 - Very easy to set! Now with a feeler!

Hey,

I've been away from this thread for a bit - wanted to ask a clarifying question:

What current can these run REDs at from a single li-ion ?
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Old 04-16-2011, 08:43 PM #104
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Default Re: The SimpleDrive2 - Very easy to set! Now with a feeler!

how big are these...
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Old 04-16-2011, 08:47 PM #105
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Default Re: The SimpleDrive2 - Very easy to set! Now with a feeler!

Quote:
Originally Posted by rhd View Post
Hey,

I've been away from this thread for a bit - wanted to ask a clarifying question:

What current can these run REDs at from a single li-ion ?
I did a test a few days ago with a LM1117 driver setup for 430mA with a 3V dummy load @ single li-ion voltages with a 2A(Max) bench PSU. I imagine this driver will have similar response:

4.2V = 430mA
4.1V = 420mA
4.0V = 410mA
3.9V = 400mA
3.8V = 380mA
3.7V = 360mA, really starts dropping after this.

Notice that even at 3.7V it can still provide 360mA@3V ... that is amazing.
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Old 04-16-2011, 09:07 PM #106
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Default Re: The SimpleDrive2 - Very easy to set! Now with a feeler!

My driver does about 380mA at the 8x/LPC setting, which is safe for both diodes. I'm pretty sure that things will happen the same way as in jib77's test.

Also, FEELER!
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Fenzir: So why is it that we want these kind of diodes? I don't understand.
anselm: Because they emit coherent light, that's why....
405nm 20mW DealExtreme pointer
445nm 1W Hotlights with CUSTOM BOOST driver
532nm 50mW DealExtreme SDLaser 301 with key, up to spec when IR-filtered!
532nm 400mW DinoDirect Firedragon III "Certified Power Guaranteed" 500mW peak!

632nm 8mW Tesla 30 year old HeNe made in Czechoslovakia
637nm 400mW WF-501b yellow anodized and CUSTOM BUCK driver
685nm 35mW diode in Jayrob pen host

LaserBee 2.5W USB LPM

Last edited by Johnyz; 04-17-2011 at 07:42 PM.
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