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Old 12-08-2010, 04:38 PM #1
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Default Bright flash then dim

I recently ordered a laser kit from odicforce with the LPC-815 diode. I assembled everything and when I turn it on I get a very bright flash of red for a fraction of a second then the output goes very dim (like I can only see it in the dark). It does this each time I turn it on. I'm not sure what to do to fix it.

Details: The power supply ran my test load (an led) just fine and consumed 200mw of power just as it was supposed to. Also the switch works just fine because when I bypass the switch the laser does the same thing. I'm not sure where my problem might be.

Has anyone else had this problem?


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120mW PHR [Projectbox] powered by Flexdrive
60mW PHR [pointer] DIY LM317 driver

30mW 532nm [pointer] rkcstr driver
10mw [pointer] resistor

Toasted Diodes (now LEDs):
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Matches lit: 8
Balloons Popped: 1

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Old 12-08-2010, 05:58 PM #2
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Default Re: Bright flash then dim

Sounds like Your power supply isnt giving enough juice. What is it.
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Old 12-08-2010, 06:08 PM #3
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Default Re: Bright flash then dim

Bit of googling returned this Focusing Laser Host with Matching High Power Red Laser Diode Driver - Detailed item view - OdicForce Lasers Online Shop So I'm going to go with two 3v CR2s.
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Old 12-08-2010, 07:08 PM #4
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Default Re: Bright flash then dim

Quote:
Originally Posted by Prototype View Post
That would be the kit right there.

I picked up a pair of energizer CR2's from bestbuy, (I would have gotten the rechargeables but I was pretty excited for it)
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120mW PHR [Projectbox] powered by Flexdrive
60mW PHR [pointer] DIY LM317 driver

30mW 532nm [pointer] rkcstr driver
10mw [pointer] resistor

Toasted Diodes (now LEDs):
2x LPC815
6x unknown IR
1x PHR

Matches lit: 8
Balloons Popped: 1
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