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 > Drivers, Test-load, Power Supply, & Batteries



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



Reply
 
LinkBack Thread Tools Display Modes
Old 01-31-2012, 10:40 PM #1
fullyauto12's Avatar
Junior Member
 
Join Date: Jan 2012
Location: Ripon, CA
Posts: 10
Rep Power: 0
fullyauto12 is on a distinguished road
fullyauto12 fullyauto12 is offline
Junior Member
fullyauto12's Avatar
 
Join Date: Jan 2012
Location: Ripon, CA
Posts: 10
Rep Power: 0
fullyauto12 is on a distinguished road
Default CR123 100ma?

hey all,
I recently bought a 1W 445nm Blue laser diode, the driver and barrel and all the goodies to put the thing together. However, i am using two CR123 Li batteries, and when i test the driver with the dummy load, im only getting 100ma when i measure across the resistor, but when i use the circuit im getting 4v across the diode and it is extrememly bright, but not buring unless left on something for about 10 seconds. i am using 4 1N5404 diodes and 2 1N5400 diodes, and a 10W resistor as the dummy load. can anyone help me?


fullyauto12 is offline   Reply With Quote







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







Old 02-01-2012, 12:21 AM #2
Sigurthr's Avatar
Class 3B Laser
 
Join Date: Dec 2011
Location: Michigan's U.P.
Posts: 4,382
Rep Power: 873
Sigurthr has a reputation beyond reputeSigurthr has a reputation beyond reputeSigurthr has a reputation beyond reputeSigurthr has a reputation beyond reputeSigurthr has a reputation beyond reputeSigurthr has a reputation beyond reputeSigurthr has a reputation beyond reputeSigurthr has a reputation beyond reputeSigurthr has a reputation beyond reputeSigurthr has a reputation beyond reputeSigurthr has a reputation beyond repute
Sigurthr Sigurthr is offline
Class 3B Laser
Sigurthr's Avatar
 
Join Date: Dec 2011
Location: Michigan's U.P.
Posts: 4,382
Rep Power: 873
Sigurthr has a reputation beyond reputeSigurthr has a reputation beyond reputeSigurthr has a reputation beyond reputeSigurthr has a reputation beyond reputeSigurthr has a reputation beyond reputeSigurthr has a reputation beyond reputeSigurthr has a reputation beyond reputeSigurthr has a reputation beyond reputeSigurthr has a reputation beyond reputeSigurthr has a reputation beyond reputeSigurthr has a reputation beyond repute
Default Re: CR123 100ma?

What is the tolerance on your resistor? Did you check the actual resistance of the resistor? Some can be off as much as 10%.
__________________
Amateur Multispectral Photographer - [X-Ray, UV, Vis, IR]
Amateur Electrical Engineer
Autodidact
Tesla Coil Expert
Sigurthr is offline   Reply With Quote
Old 02-01-2012, 01:03 AM #3
fullyauto12's Avatar
Junior Member
 
Join Date: Jan 2012
Location: Ripon, CA
Posts: 10
Rep Power: 0
fullyauto12 is on a distinguished road
fullyauto12 fullyauto12 is offline
Junior Member
fullyauto12's Avatar
 
Join Date: Jan 2012
Location: Ripon, CA
Posts: 10
Rep Power: 0
fullyauto12 is on a distinguished road
Default Re: CR123 100ma?

It is a 5%. And as far as measuring it. My meter says 1.0. So its not very accurate? I ordered a 18659 battery the other day,do you thing that will affect it at all or do you think its the driver?
fullyauto12 is offline   Reply With Quote
Old 02-01-2012, 01:25 AM #4
Sigurthr's Avatar
Class 3B Laser
 
Join Date: Dec 2011
Location: Michigan's U.P.
Posts: 4,382
Rep Power: 873
Sigurthr has a reputation beyond reputeSigurthr has a reputation beyond reputeSigurthr has a reputation beyond reputeSigurthr has a reputation beyond reputeSigurthr has a reputation beyond reputeSigurthr has a reputation beyond reputeSigurthr has a reputation beyond reputeSigurthr has a reputation beyond reputeSigurthr has a reputation beyond reputeSigurthr has a reputation beyond reputeSigurthr has a reputation beyond repute
Sigurthr Sigurthr is offline
Class 3B Laser
Sigurthr's Avatar
 
Join Date: Dec 2011
Location: Michigan's U.P.
Posts: 4,382
Rep Power: 873
Sigurthr has a reputation beyond reputeSigurthr has a reputation beyond reputeSigurthr has a reputation beyond reputeSigurthr has a reputation beyond reputeSigurthr has a reputation beyond reputeSigurthr has a reputation beyond reputeSigurthr has a reputation beyond reputeSigurthr has a reputation beyond reputeSigurthr has a reputation beyond reputeSigurthr has a reputation beyond reputeSigurthr has a reputation beyond repute
Default Re: CR123 100ma?

It should be accurate if you're measuring it at 1.0 ohms.

What kind of driver are you using?
__________________
Amateur Multispectral Photographer - [X-Ray, UV, Vis, IR]
Amateur Electrical Engineer
Autodidact
Tesla Coil Expert
Sigurthr is offline   Reply With Quote
Old 02-01-2012, 01:34 AM #5
fullyauto12's Avatar
Junior Member
 
Join Date: Jan 2012
Location: Ripon, CA
Posts: 10
Rep Power: 0
fullyauto12 is on a distinguished road
fullyauto12 fullyauto12 is offline
Junior Member
fullyauto12's Avatar
 
Join Date: Jan 2012
Location: Ripon, CA
Posts: 10
Rep Power: 0
fullyauto12 is on a distinguished road
Default Re: CR123 100ma?

eBay - New & used electronics, cars, apparel, collectibles, sporting goods & more at low prices

Its this one, I contacted the sell about it and he just told me that its 1000ma out at 4 - 6 volts. And to instead get a 18650 battery. I've been tying to find a driver with the leads already soldered on. But there is so many posts its hard to find one with the info.
fullyauto12 is offline   Reply With Quote
Reply

Tags
1 watt, driver, milliamps, volts





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 01:57 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