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I will NOT be including pre-existing winners in this draw, to leave a fair chance to those that haven't won :) This month's item: JLasers C3 520nm 700mW with a green-lit LED tail clicky switch and green lanyard To enter the giveaway, simply leave a like or a comment! The draw will be on...

This month's winner is @Giannis_TDM ! Congrats :) I'll be hosting another giveaway for next month, look for that thread soon

XJ-V2 contains 8pcs NUBM44-81 ran at 2.22A at full power, 2.00A in first eco mode

XJ-V2 also runs their 8pcs NUBM44-81 diodes at 2.22A at full power

Extracted a XJ-UT310WN today, contained only 32pcs M140 5.6mm diodes. It has been added to the list :)

Update: It's been 168 days since my payment was sent. Almost half of a year. The LPM still has not shipped, and I am no longer receiving replies from Sanwu :( They were supposed to reply to me with a tracking number a few hours after my earlier reply, but I never got it. I have asked for a...

Less than a week left!

there might be a language barrier issue here

Only two weeks left before the draw! :)

Chheck out my store! https://www.jlasers.org/ I too, started as a hobbyist like you and decided to start making my own lasers as I enjoyed the hhobby so much.

This project is so cool! I cannot believe how skilled and talented you are! Keep us updated! :)

I've scored another XJ-V10X from ebay, which contains 10pcs NUBM47-A1. It was only $61 USD after taxes and shipping! This unit was so cheap because it did not power on. I replaced the DMD circuit board and chip and it fired right up! The main menu indicated only 16 hours of runtime! Wow! Before...

Made my own version of this! Les is a really cool dude, even replied to my emails for some help! Cool build dude! Everyone who owns more than a few lasers should definitely build this.

They've finally replied to my email! Can't tell you guys how relieved I am. I was worried I got scammed. Here is their reply: Still a bit disappointing to say the least seeing how this is how they do business. NEVER accept payments for an unfinished product. Or at least, tell the customers...

This is insanely impressive my friend!! Great job! I would LOVE to collab with you on a larger unit, if you are interested :)

I'm afraid I cannot answer that, what a very good question I hadn't thought of. I believe you might be right, PWM-ing a 50mW laser to average 5mW is probably unsafe! Good catch. There are PLENTY of extremely cheap 5mW diodes out there, for example the Osram PLT5 450B, which is 100mW max, could...

Update: It will be 5 months since I've placed my order from Sanwu, Receipt #1387-2255 for my 20W LPM. Their website had stated 60 days before shipping, then I was told 80 days. Its been 142 days since my order. No tracking info, no replies on whatsapp, no replies to my emails since December...

Unfortunately, this 9mm diode has a very high lasing threshold, meaning its minimum lasing output is around 20-50mW You will have to use a micro-controller to PWM the diode from 50mW down to 1-5mW. Safety locks are definitely achievable through said micro-controller, for example the Anduril...

This month's item: JLasers C8 - 7W 450nm - Extended Heatsink 7W of pure annihilation from this beast. It can be held on indefinitely. It takes 2x 18350s. Uses NUBM47-A1 diode + CDM-P4000 driver. To enter the giveaway, simply take a vote in the poll, leave a like or a comment! The draw will be...

Hit me up, I can make you a 50mW red anytime :)