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I finished my red laser build, but I feel like it cant burn anything, I've tried focusing onto a inked piece of paper and nothing, not even that warm. I am running a Mitsubishi ML101U29-25 diode at 340 mA, should I push it harder? tips and advice are welcome

I'm about to get my diodes by mail today, and then I will make my first build, but how do I know which pin is positive/negative? Its a red diode

Since my chinese buy is stuck in new york I think I'll shop here. I'm looking for a 5.6mm red laser diode of the specified power. If I could get it by mid next week that'd be amazing, also, I don't want to spend more than $15. Pm me or respond here if you can hook me up :)

I ordered my diodes for my first builds from china, this was on the 6th of the month, then it took what seemed like forever to touch the US, but now it hasn't updated any tracking info for a week, I'm starting to worry. My tracking number is LK751259884CN and the carrier is usps, someone tell...

I am building my first project (just saying incase you haven't seen my other threads) and I got problems using 3AAA batteries and got too low of mA to the load, so I used a 9 volt, but volts across load is like 3.7, is this too high? or will it only shorten the life of my diode? I have 5 diodes...

so my driver (Amazon.com: AixiZ 2 pack red and IR laser diode driver 80-500mA w/TTL: Everything Else) is hooked up to the test load and it only shows 180ish mA, I need 340. is this driver broken? I did run power through it for a bit without a load, and I turned the pot probably too high, but I...

I feel like I need to, my driver has a very low drop, and I need like 3v max and its giving 4.8 at the end. I cant just remove a battery because I need between 4 and 5 for the board, so is this plausible, or am I confused?

okay, so I'm at a point where I don't even know if I have the right stuff anymore for my red laser build. I soldered the power supply (3 AAA battery box) to the board (Amazon.com: AixiZ 2 pack red and IR laser diode driver 80-500mA w/TTL: Everything Else) and to the switch and when I tested the...

5pcs 650nm 660nm 250mW 350mW Push CW Red Laser Diode LD Mitsubishi ML101U29 25 | eBay the front of the diode does not appear to be as enclosed as others I've seen, so will it work if it's pressed in like any other diode into the module? please go to the link and help me, i'm so confused

Amazon.com: AixiZ 2 pack red and IR laser diode driver 80-500mA w/TTL: Everything Else i'm sorta aware of what ttl does, but not really, I want to use this driver to put out a solid beam from my diode because this is my first build, can this do it?

okay, so I haven't been freshened up on lasers in a long time, and now I have money to spend (not a lot) and I want build a red laser that can burn. I will post links to the parts and I want to know if I have everything, or if I need something else. feel free to post suggestions Driver -...

okay, so I haven't been freshened up on lasers in a long time, and now I have money to spend (not a lot) and I want build a red laser that can burn. I will post links to the parts and I want to know if I have everything, or if I need something else. feel free to post suggestions Driver -...

i was at the trade show today and i picked up an hp cd burner from 2000. i opened it up and found where the diode is. i want to use it as is and use the lenses already in it... but what color laser will it be, what strength, how much power do i use, and is it not even worth it? answer some or all.

i want to purchase the 2 pc red laser diodes from rayfoss.com but someone told me that they might get seized in customs and we will get put on a government watch list... will 2 laser diodes from China pass US customs? can someone clear this up?

i am planning to build a red laser using these diodes at rayfoss.com www.rayfoss.com i am also planning to make the ddl driver but when i looked at the plans i hit a problem ( I think). I'm not sure whether the resistors need to be 1/4 or 1/2 watt. please put up a schematic for a complete...

i am planning to make a laser out of a 24x dvd burner, but i'm new to this and need some help. will the diode in this dvd burner work? HP - 24x Internal Double-Layer DVD±RW/CD-RW Drive - DVD1260i and if possible could someone please send me a list of all the other things i might need and where...