Old 03-27-2015, 02:29 AM #1
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Default Adjusting power output on laser module

What's the recommended method of adjusting the power on the typical 3v laser modules (12x30 or 6x10).

I want to set it up so that I have full power or 1/2 power controlled by a switch.
Is it easy to hack the modules? Is it as simple as a resistor change?


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Old 03-27-2015, 12:33 PM #2
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Default Re: Adjusting power output on laser module

Should be as simple as adding a 3-position switch with a resistor on one of the positions to half the power.

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Old 03-27-2015, 02:49 PM #3
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Default Re: Adjusting power output on laser module

I don't think it's quite as easy as lowering the voltage (by sticking a resistor in series, is it?
It's the current that needs to be varied to dim an LED, or am I incorrect?
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Old 03-27-2015, 09:06 PM #4
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Default Re: Adjusting power output on laser module

Depends on the module. Some of them are
nothing more than a resistor to begin with.
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