Laser pointer discussion. Read/write reviews of laser pointers and laser pointer companies. Learn about all types of laser pointers and lasers





Welcome to Laser Pointer Forums! If you are looking for a laser pointer or want to compare different laser pointer companies, you may want to check out the LPF Laser Pointer Company Database. The link will open in a new window for your convenience.








Green Laser Pointers by Category Blue Laser Pointers by Category Red Laser Pointers by Category
Yellow Laser Pointers by Category Violet Laser Pointers by Category Orange Laser Pointers by Category
Top Laser Pointers by Power - 1 Watt+ Top Laser Pointers by Power - 500mW+ Top Laser Pointers by Power - 250mW+
Laser Pointer Database High Power Laser Pointers Laser Pointer Diodes
Laser Technology Laser Pointer Parts Lasers by Wavelength
Top 10 Laser Pointer Companies Laser Pointer Company Database Visible Beam Laser Pointers


One laser store meets all your needs

























Go Back   Laser Pointer Forums - Discuss Laser Pointers > Lasers > Tutorials, Help & Repairs



LPF List of Laser Pointer Companies (link opens new window)



Reply
 
LinkBack Thread Tools Display Modes
Old 08-06-2008, 05:39 AM #1
Junior Member
 
Join Date: Jul 2008
Posts: 13
Rep Power: 0
awray is on a distinguished road
awray awray is offline
Junior Member
 
Join Date: Jul 2008
Posts: 13
Rep Power: 0
awray is on a distinguished road
Default help with a 20x red DIY

alright, the other day, i was at target and found a host that i thought i'd try for the hell of it, it fits dark horse's heatsink (rather i made it fit) have a rkstr driver, have it set to 420.2 mA's (tested this with DMM mA -- i assume i dont put it on the setting that looks like mA~) To see if it would work i hooked a 9v to the driver then from driver to the diode, i get light, but very dim... which scares me because the host i got only has room for 1 x AA. So is this the wrong driver? Diode toast? Or complete ignorance? 8-)
Any insight would be helpful, i have tried searching on here for quite awhile but couldn't really find the answer i was looking for... :-[


awray is offline   Reply With Quote







LPF List of Laser Pointer Companies (link opens new window)







Old 08-06-2008, 05:54 AM #2
Bionic-Badger's Avatar
Class 4 Laser
 
Join Date: Oct 2007
Location: Oregon, USA
Posts: 5,478
Rep Power: 2585
Bionic-Badger has a reputation beyond reputeBionic-Badger has a reputation beyond reputeBionic-Badger has a reputation beyond reputeBionic-Badger has a reputation beyond reputeBionic-Badger has a reputation beyond reputeBionic-Badger has a reputation beyond reputeBionic-Badger has a reputation beyond reputeBionic-Badger has a reputation beyond reputeBionic-Badger has a reputation beyond reputeBionic-Badger has a reputation beyond reputeBionic-Badger has a reputation beyond repute
Bionic-Badger Bionic-Badger is online now
Class 4 Laser
Bionic-Badger's Avatar
 
Join Date: Oct 2007
Location: Oregon, USA
Posts: 5,478
Rep Power: 2585
Bionic-Badger has a reputation beyond reputeBionic-Badger has a reputation beyond reputeBionic-Badger has a reputation beyond reputeBionic-Badger has a reputation beyond reputeBionic-Badger has a reputation beyond reputeBionic-Badger has a reputation beyond reputeBionic-Badger has a reputation beyond reputeBionic-Badger has a reputation beyond reputeBionic-Badger has a reputation beyond reputeBionic-Badger has a reputation beyond reputeBionic-Badger has a reputation beyond repute
Default Re: help with a 20x red DIY

Wait, did you connect the battery to the driver, and then connected the laser diode to the driver? *If so, it's dead.

The procedure is this: *short the laser diode end of the driver --> solder the laser to the driver --> connect the driver to the battery.

If you do it in a different order, like you did above, you're sending a huge surge of current through the laser diode. *Think of the sound of a flashbulb on a camera charging up and sending a huge pulse of light out. *Well, that went through your diode and blew it to bits. ALso, at those currents, you need to have the diode already heatsinked before you plug it in, otherwise you'll be admiring the glow for a second and then POOF, no more lasing.

Also, one AA will not have enough voltage for a red laser diode. *You'll need one of those 3.6V AA-sized (14500) batteries to drive it since the driver also drops some voltage. *I think this is the type.
__________________
You must spread some Reputation around before giving it to <person> again.
Bionic-Badger is online now   Reply With Quote
Old 08-06-2008, 06:39 AM #3
Class 1M Laser
 
Join Date: Jul 2008
Posts: 199
Rep Power: 10
moond0ggie is on a distinguished road
moond0ggie moond0ggie is offline
Class 1M Laser
 
Join Date: Jul 2008
Posts: 199
Rep Power: 10
moond0ggie is on a distinguished road
Default Re: help with a 20x red DIY

Quote:
To see if it would work i hooked a 9v to the driver........................
The 9v battery probably won't supply enough current
I believe you will need at least two 3v batteries *
2.5volts will drop across the driver.

Quote:
...............which scares me because the host i got only has room for 1 x AA
You may need another host.
moond0ggie is offline   Reply With Quote
Old 08-06-2008, 08:02 AM #4
Bionic-Badger's Avatar
Class 4 Laser
 
Join Date: Oct 2007
Location: Oregon, USA
Posts: 5,478
Rep Power: 2585
Bionic-Badger has a reputation beyond reputeBionic-Badger has a reputation beyond reputeBionic-Badger has a reputation beyond reputeBionic-Badger has a reputation beyond reputeBionic-Badger has a reputation beyond reputeBionic-Badger has a reputation beyond reputeBionic-Badger has a reputation beyond reputeBionic-Badger has a reputation beyond reputeBionic-Badger has a reputation beyond reputeBionic-Badger has a reputation beyond reputeBionic-Badger has a reputation beyond repute
Bionic-Badger Bionic-Badger is online now
Class 4 Laser
Bionic-Badger's Avatar
 
Join Date: Oct 2007
Location: Oregon, USA
Posts: 5,478
Rep Power: 2585
Bionic-Badger has a reputation beyond reputeBionic-Badger has a reputation beyond reputeBionic-Badger has a reputation beyond reputeBionic-Badger has a reputation beyond reputeBionic-Badger has a reputation beyond reputeBionic-Badger has a reputation beyond reputeBionic-Badger has a reputation beyond reputeBionic-Badger has a reputation beyond reputeBionic-Badger has a reputation beyond reputeBionic-Badger has a reputation beyond reputeBionic-Badger has a reputation beyond repute
Default Re: help with a 20x red DIY

He won't see a &quot;dim light&quot; even with the 9V's limited current.
__________________
You must spread some Reputation around before giving it to <person> again.
Bionic-Badger is online now   Reply With Quote
Old 08-06-2008, 03:23 PM #5
Junior Member
 
Join Date: Jul 2008
Posts: 13
Rep Power: 0
awray is on a distinguished road
awray awray is offline
Junior Member
 
Join Date: Jul 2008
Posts: 13
Rep Power: 0
awray is on a distinguished road
Default Re: help with a 20x red DIY

Quote:
Originally Posted by Bionic-Badger
He won't see a &quot;dim light&quot; even with the 9V's limited current.
actually i do see a dim red light with the 9v. And it was heatsinked first. If it was dead, would i still be seeing a red light?

Is there a thread on here that actually explains how to do all this, all i see is how to put guts into the hosts.
awray is offline   Reply With Quote
Old 08-06-2008, 04:12 PM #6
sk8er4514's Avatar
Class 3R Laser
 
Join Date: Feb 2008
Location: Houston, TX
Posts: 1,809
Rep Power: 76
sk8er4514 has a reputation beyond reputesk8er4514 has a reputation beyond reputesk8er4514 has a reputation beyond reputesk8er4514 has a reputation beyond reputesk8er4514 has a reputation beyond reputesk8er4514 has a reputation beyond reputesk8er4514 has a reputation beyond reputesk8er4514 has a reputation beyond reputesk8er4514 has a reputation beyond reputesk8er4514 has a reputation beyond reputesk8er4514 has a reputation beyond repute
sk8er4514 sk8er4514 is offline
Class 3R Laser
sk8er4514's Avatar
 
Join Date: Feb 2008
Location: Houston, TX
Posts: 1,809
Rep Power: 76
sk8er4514 has a reputation beyond reputesk8er4514 has a reputation beyond reputesk8er4514 has a reputation beyond reputesk8er4514 has a reputation beyond reputesk8er4514 has a reputation beyond reputesk8er4514 has a reputation beyond reputesk8er4514 has a reputation beyond reputesk8er4514 has a reputation beyond reputesk8er4514 has a reputation beyond reputesk8er4514 has a reputation beyond reputesk8er4514 has a reputation beyond repute
Default Re: help with a 20x red DIY

Quote:
Originally Posted by awray
[quote author=Bionic-Badger link=1218001161/0#3 date=1218009723]He won't see a &quot;dim light&quot; even with the 9V's limited current.
actually i do see a dim red light with the 9v. And it was heatsinked first. If it was dead, would i still be seeing a red light?

Is there a thread on here that actually explains how to do all this, all i see is how to put guts into the hosts.[/quote]
your diode is burnt out... aka dead. you will still see a dim red light but it will be very dim.

and there are many threads on here explaining how to make lasers. try a search or keep lurking around.

good luck
__________________
sk8er4514 is offline   Reply With Quote
Old 08-06-2008, 04:21 PM #7
Junior Member
 
Join Date: Jul 2008
Posts: 13
Rep Power: 0
awray is on a distinguished road
awray awray is offline
Junior Member
 
Join Date: Jul 2008
Posts: 13
Rep Power: 0
awray is on a distinguished road
Default Re: help with a 20x red DIY

k thankyou.
awray is offline   Reply With Quote
Old 08-06-2008, 09:36 PM #8
Bionic-Badger's Avatar
Class 4 Laser
 
Join Date: Oct 2007
Location: Oregon, USA
Posts: 5,478
Rep Power: 2585
Bionic-Badger has a reputation beyond reputeBionic-Badger has a reputation beyond reputeBionic-Badger has a reputation beyond reputeBionic-Badger has a reputation beyond reputeBionic-Badger has a reputation beyond reputeBionic-Badger has a reputation beyond reputeBionic-Badger has a reputation beyond reputeBionic-Badger has a reputation beyond reputeBionic-Badger has a reputation beyond reputeBionic-Badger has a reputation beyond reputeBionic-Badger has a reputation beyond repute
Bionic-Badger Bionic-Badger is online now
Class 4 Laser
Bionic-Badger's Avatar
 
Join Date: Oct 2007
Location: Oregon, USA
Posts: 5,478
Rep Power: 2585
Bionic-Badger has a reputation beyond reputeBionic-Badger has a reputation beyond reputeBionic-Badger has a reputation beyond reputeBionic-Badger has a reputation beyond reputeBionic-Badger has a reputation beyond reputeBionic-Badger has a reputation beyond reputeBionic-Badger has a reputation beyond reputeBionic-Badger has a reputation beyond reputeBionic-Badger has a reputation beyond reputeBionic-Badger has a reputation beyond reputeBionic-Badger has a reputation beyond repute
Default Re: help with a 20x red DIY

It's a dim light because that's the red LED that's used to power the actual lasing aparatus inside the diode.

One thing you can do with that dead diode is keep it as a testing device for measuring current or voltage without risking the actual laser.
__________________
You must spread some Reputation around before giving it to <person> again.
Bionic-Badger is online now   Reply With Quote
Old 08-07-2008, 06:03 AM #9
Class 1M Laser
 
Join Date: Jul 2008
Posts: 199
Rep Power: 10
moond0ggie is on a distinguished road
moond0ggie moond0ggie is offline
Class 1M Laser
 
Join Date: Jul 2008
Posts: 199
Rep Power: 10
moond0ggie is on a distinguished road
Default Re: help with a 20x red DIY

Quote:
Originally Posted by Bionic-Badger

One thing you can do with that dead diode is keep it as a testing device for measuring current or voltage without risking the actual laser.
A sacrificial diode, yeah I made one of those too, it was part of my learning curve! :
moond0ggie is offline   Reply With Quote
Old 08-07-2008, 12:55 PM #10
Bionic-Badger's Avatar
Class 4 Laser
 
Join Date: Oct 2007
Location: Oregon, USA
Posts: 5,478
Rep Power: 2585
Bionic-Badger has a reputation beyond reputeBionic-Badger has a reputation beyond reputeBionic-Badger has a reputation beyond reputeBionic-Badger has a reputation beyond reputeBionic-Badger has a reputation beyond reputeBionic-Badger has a reputation beyond reputeBionic-Badger has a reputation beyond reputeBionic-Badger has a reputation beyond reputeBionic-Badger has a reputation beyond reputeBionic-Badger has a reputation beyond reputeBionic-Badger has a reputation beyond repute
Bionic-Badger Bionic-Badger is online now
Class 4 Laser
Bionic-Badger's Avatar
 
Join Date: Oct 2007
Location: Oregon, USA
Posts: 5,478
Rep Power: 2585
Bionic-Badger has a reputation beyond reputeBionic-Badger has a reputation beyond reputeBionic-Badger has a reputation beyond reputeBionic-Badger has a reputation beyond reputeBionic-Badger has a reputation beyond reputeBionic-Badger has a reputation beyond reputeBionic-Badger has a reputation beyond reputeBionic-Badger has a reputation beyond reputeBionic-Badger has a reputation beyond reputeBionic-Badger has a reputation beyond reputeBionic-Badger has a reputation beyond repute
Default Re: help with a 20x red DIY

I like to tell myself that I made myself a *cough* useful $20 tool...
__________________
You must spread some Reputation around before giving it to <person> again.
Bionic-Badger is online now   Reply With Quote
Old 08-07-2008, 01:25 PM #11
sk8er4514's Avatar
Class 3R Laser
 
Join Date: Feb 2008
Location: Houston, TX
Posts: 1,809
Rep Power: 76
sk8er4514 has a reputation beyond reputesk8er4514 has a reputation beyond reputesk8er4514 has a reputation beyond reputesk8er4514 has a reputation beyond reputesk8er4514 has a reputation beyond reputesk8er4514 has a reputation beyond reputesk8er4514 has a reputation beyond reputesk8er4514 has a reputation beyond reputesk8er4514 has a reputation beyond reputesk8er4514 has a reputation beyond reputesk8er4514 has a reputation beyond repute
sk8er4514 sk8er4514 is offline
Class 3R Laser
sk8er4514's Avatar
 
Join Date: Feb 2008
Location: Houston, TX
Posts: 1,809
Rep Power: 76
sk8er4514 has a reputation beyond reputesk8er4514 has a reputation beyond reputesk8er4514 has a reputation beyond reputesk8er4514 has a reputation beyond reputesk8er4514 has a reputation beyond reputesk8er4514 has a reputation beyond reputesk8er4514 has a reputation beyond reputesk8er4514 has a reputation beyond reputesk8er4514 has a reputation beyond reputesk8er4514 has a reputation beyond reputesk8er4514 has a reputation beyond repute
Default Re: help with a 20x red DIY

I have about 10 of these *tools* on my desk... they are just a cost of building things yourself.

we are human and will make mistakes.
__________________
sk8er4514 is offline   Reply With Quote
Reply





Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On











Loading








Green Laser Pointers by Category Blue Laser Pointers by Category Red Laser Pointers by Category
Yellow Laser Pointers by Category Violet Laser Pointers by Category Orange Laser Pointers by Category
Top Laser Pointers by Power - 1 Watt+ Top Laser Pointers by Power - 500mW+ Top Laser Pointers by Power - 250mW+
Laser Pointer Database High Power Laser Pointers Laser Pointer Diodes






Privacy Policy | Advertising Disclaimer | Terms of Use


 


All times are GMT. The time now is 08:47 PM.


Powered by: vBulletin
Copyright ©2000 - 2017, Jelsoft Enterprises Ltd.
Search Engine Friendly URLs by vBSEO
Privacy Policy | Advertising Disclaimer | Terms of Use
Copyright (C) 2017 Laser Pointer Forums, LLC