Welcome to Laser Pointer Forums - discuss green laser pointers, blue laser pointers, and all types of lasers

How to Register on LPF | LPF Donations

Search results

  1. P

    m140 built help - suspect battery issue

    Greetings, I'm trying to use a single 3.7v 18650 with a boost driver (3.7-4.2V > 4.5-6.0V), to run a m140. I'm trying to get the full 1.8A to the diode, but can't get past 1.36A. There's a potentiometer on the driver and it ranges from about 0.9A to 1.36A in 200degrees-ish, then for the...
  2. P

    2w m140 test load?

    Can anyone suggest a test load to mimic a 2w m140 diode (in the mail from dtr at the moment!)? If anyone knows the resistance that would be best, so I can just eBay a resistor for it. Any input appreciated! Steve.
  3. P

    Driver connection help.

    Hi, first of all, sorry if this question has been posted already about this specific driver - I searched the forum but to no avail! So I recently bought this driver from 'Laserlands' on Ebay, to use with a 2w 4445nm build - Adjustable Driver 450nm 445nm 473nm Blue Laser Diode 1W 1 4W 2W 3 5V 2...


Back
Top