Old 02-06-2008, 11:26 AM #33
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Default Re: solderless ld connection

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Learning how to solder is very easy and there are plenty of guides on the Internet to walk you through. With a little practice, anyone wanting to take the time to learn can be a pro in no time.
I fully agree on that, but for the novice: please practice soldering on inexpensive components - solder some leads and limiting resistors to $0.05 leds or something like that.

It's not a hard skill to learn, but few people get it right on their very first attempt.


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Old 02-06-2008, 08:50 PM #34
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Default Re: solderless ld connection

i have been using a socket to put one of my lasers in a breadboard for over a month, it has come out many times while power was running and i plugged it back in without turning the power off. after a month it still works just as it did when i first got it.
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Old 02-06-2008, 10:26 PM #35
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Default Re: solderless ld connection

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Originally Posted by JECS
i have been using a socket to put one of my lasers in a breadboard for over a month, it has come out many times while power was running and i plugged it back in without turning the power off. after a month it still works just as it did when i first got it.
Ok, are you using a capacitor, what kind of driver are you using? And just because your diode is less vulnerable to spikes doesn't mean all other diodes will be.
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Old 02-07-2008, 04:16 AM #36
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Default Re: solderless ld connection

i used a random cap that i grabbed from my pile, a diode, 2x10ohm resistors, and my volt/amp regulated psu i made in grade 12. its an awkward setup and i tug on it all the time and the ld pops out or the wires will come out of the breadboard.. i really doubt 1 ld would be any less likely to be damaged than any other for that particular model. theyre all made on the same assembly line.
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Old 02-07-2008, 04:54 AM #37
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Default Re: solderless ld connection

How many volts is the capacitor rated for, and how many uf is it? I highly doubt an LD could survive a big voltage spike. What's your input voltage?
And it doesn't matter if the diodes are made on the same assembly line, every laser diode is different.
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Old 02-07-2008, 05:03 AM #38
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Default Re: solderless ld connection

dude, soldering is NOT THAT HARD!! I started soldering when I started this hobby, in november. I soldered my first diode with absolutely no prior experience of soldering, and I did it sucessfully! have some self confidence! and DO NOT USE SOCKETS!!!
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Old 02-07-2008, 05:12 AM #39
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Default Re: solderless ld connection

50v 10uf. 3-4.75v input. every diode is different is like saying every resistor is different. tolerance may not always be the same but for the most part they will be identical. each piece will be tested to ensure it meets certain standards or it will be rejected. most manufacturing plants have quality control. if one lightbulb fries there is a pretty good chance every other one from the line is going to fry, unless that bulb was defective, in which case it wont concern the rest of the batch.

i can solder fine ive been doing it for years. thats not the point. a socket allows me to swap between lasers much quicker.
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Old 02-07-2008, 05:18 AM #40
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Default Re: solderless ld connection

OK IF YOU DON'T BELIEVE ME, GET 5 DAMN DIODES, DRIVE THEM ALL AT THE SAME CURRENT, AND THEN TEST THEIR OUTPUT POWER, AND SEE HOW LONG EACH ONE LASTS, THEN YOU'LL SEE NOT ALL ARE THE SAME
AND LIKE AMK SAID DON'T USE A SOCKET
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Old 02-07-2008, 05:27 AM #41
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Default Re: solderless ld connection

Let's keep the discussion civil please...shouting isn't necessary.. ;D

JECS. your power supply must be providing good regulation. Is it a switching power supply? If you were using the LM317, I am sure your diode would die if you plugged the diode into the socket with the power on.
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Old 02-07-2008, 05:37 AM #42
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Default Re: solderless ld connection

Ok ok made text smaller. Happy now? ;D ;D ;D
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Old 02-07-2008, 05:45 AM #43
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Default Re: solderless ld connection

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Ok ok made text smaller. Happy now? ;D ;D ;D

;D ;D ;D Thank you.
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Old 02-07-2008, 06:06 AM #44
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Default Re: solderless ld connection

guys, no matter what someone says, dont belive it!

rule of thumb # 1: Stay away from sockets, they cost you more money, and kill your diode, which costs even more money

rule of thumb # 2: have self confidence

rule of thumb # 3: Stay away from sockets, they cost you more money, and kill your diode, which costs even more money

Chill out guys, its not that hard, and face it: a DIY'er will kill a diode someday, just try not to make it soon, using sokets and lack of self confidence will make you kill that diode sooner for sure.
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Old 02-07-2008, 06:52 AM #45
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Default Re: solderless ld connection

if everyone believed what everyone else said and didnt try things for themselves wed still be wearing chainmail and burning witches. ive been using a socket for over a month with a single ld and it seems everything people say "dont do, it will kill your diode" has done absolutely nothing to my laser.
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Old 02-07-2008, 08:31 AM #46
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Default Re: solderless ld connection

Quote:
Originally Posted by JECS
if everyone believed what everyone else said and didnt try things for themselves wed still be wearing chainmail and burning witches. ive been using a socket for over a month with a single ld and it seems everything people say "dont do, it will kill your diode" has done absolutely nothing to my laser.
The issue I have is not so much related to your use of a socket...you know my position on that.

My question is how well regulated is your power supply? If it is a switching power supply, the voltage will stay the same whether or not a load is connected to it. This would explain why your laser diode continues to truck on when you plug it into the socket with your power turned on. So I would like to ask you, what is the voltage of your power supply before you plug in the laser diode?
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Old 02-07-2008, 08:53 AM #47
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Default Re: solderless ld connection

its regulated pretty good. without load i measured 3.08v and with load it was 3.08. the power supply isnt what this is about though. people are saying under no circumstance are you to use a socket. im just saying i have no problems with it, even with my carelessness. in the event i do fry a diode while testing from overdriving it or something now ill be able to swap it out very quickly, which i havent had to do yet.
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Old 02-07-2008, 09:01 AM #48
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Default Re: solderless ld connection

Ok thanks for reporting the voltages...sounds good and it explains why your diode is surviving when you plug it in with the power on. I know that is not what this topic is about, but since you did mention it I became curious and had to ask..lol.
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