@Pi R Squared
I didn't do that because I don't have a DMM.
I'm not an expert and just wanted to make a classic burning laser pen.
(And YES, I wear protection)
Yea sure but and I know which is the psoitive, negative and the non-used pin of the DIODE.
However I need to know the positve and negative spaces/positions on the DRIVER.
Is anyone among us who knows the answer?
Hey!
I bought a TMART red 1mw laser pen and disassembled it to attach a stronger red diode which I took out of a DVD-RW drive to the original driver.
The driver has a spring on it if this is not well recognizable in the pics.
I tried all possible pin-to-driver positions but it still didn't...
okay, I just found out, that the laser WILL let electrical tape and black couloured wood/matches smoke with the smallest possible focus (max possible distance between the laser and the tape/object: 1 inch). It wont burn a match yet and with this focus option, the beam/point is not beautiful (aka...
I bought it offline, on a kind of asian market in Czech Republic. She wanted 35€ (appr. $50) for it but I got it for 15€ (appr. $20) because of my good bargaining skills :D .
$20 for such a big laser with 50-100mW seems a bit too low-priced for me. The asians there want to make profit. That's...
Hello, I just wanted to introduce myself.
I am Tom, from Germany.
I'm 18 years old and not a native English speaker, so please excuse my language mistakes.
My hobbies are ice hockey and graffiti.
Though I am a student, I have founded my first business back in January 2015.
Lasers are...
Howdy, I'm new to LPF so if there are already threads according to my question, please share the link.
Alright, I just bought a beautiful handheld focusable laser and it claims to have a power of <800mW.
I actually estimate it to have <5mW because it can't burn anything. Even after...