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The death of a M140

Kalsongen

Kalsongen

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Yay! The laser worked fine, My teacher pushed it up to 0,5A and burned a hole in My backpack.... ;)
Ive ordered 5 lm317t that should arrive tomorrow, thanks for the help everyone :)

-Victor
 
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Down with Umbrella

Down with Umbrella

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Yes great news! Look closely at the LM317t, one the diagrams I referenced on the pin Vin/Vout were opposite. I guess different manufactures.
 
ARG

ARG

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Kalsongen said:
Does that give these kind of symptoms?
In that case i feel kinda dumb....
Click to expand...

Possibly :shhh: It's hard to predict how IC's will react when being used for something they were not made for.
 
Kalsongen

Kalsongen

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ChaosLord said:
Did you test the driver on a test load? This should always be done to make sure it's operating properly.
Click to expand...


Nope.
Can i perform a test without 700 diodes which ive seen others use?


This is the LM317T that i have

10170800_839288632765574_4654987042920639727_n.jpg
 
ARG

ARG

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Yeah, it's a constant current driver so go ahead and put an ammeter across the output. You don't need a test load if you're just going to see if it's putting out any current.
 
Kalsongen

Kalsongen

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ARG said:
Yeah, it's a constant current driver so go ahead and put an ammeter across the output. You don't need a test load if you're just going to see if it's putting out any current.
Click to expand...

So ill. just short the output wires, atleast thats how My teacher did it.

,Victor
 
Kalsongen

Kalsongen

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I switched to a new lm317t and it worked right away :)
Now its running @ 1,22A.
The burning capability stunned me :D

Thanks for the help everyone and thanks for the fast shipping and the awsome m140 DTR
-Victor
 
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