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Old 01-05-2009, 12:57 AM #1
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Default setting current

I was wondering how exactly to set current on a lavadrive...with a rkcstr driver i usually just put the positive and negative probes on the +/- output pads on the driver and read the current...But i have heard not to do that with the flexdrive...anyone know why? :-?

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Old 01-05-2009, 01:34 AM #2
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Default Re: setting current

did u get the paper that comes with the driver ? it tells u on it ?
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Old 01-05-2009, 01:40 AM #3
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Default Re: setting current

yep...and it says "choose and attach a test load"....So i just built one...(4X1N4001 diodes and a 10 ohm resistor...) But it only dropped the current 1v...(was at 4.11 and went down to 3.076 or something).....
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Old 01-05-2009, 09:39 AM #4
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Default Re: setting current

Quote:
...(4X1N4001 diodes and a 10 ohm resistor...) But it only dropped the current 1v...(was at 4.11 and went down to 3.076 or something).....
I assume you are building a red laser, if so that looks about the right voltage, current across the 10ohm resistor is the most important bit though....

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Old 01-05-2009, 02:51 PM #5
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Default Re: setting current

No a blu-ray ... Only got 4 diodes though forgot about that...I'm just going to buy a test load lol way easier...
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Old 01-05-2009, 04:09 PM #6
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Default Re: setting current

Quote:
I'm just going to buy a test load lol way easier
2 more diodes = about 10 cents more.........

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Old 01-05-2009, 10:49 PM #7
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Default Re: setting current

I'm still not sure about setting current with it ... A professional driver may work better .. Plus this week I'm really busy so I can't stop by radioshack..
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