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I noticed how low the price of very high powered IR laser diodes have fallen, so i decided i should try and build a handheld laser cutter. Finally it seems with my budget to be possible to ditch old mechanical tooling and move to an age of energy. OD6+ quality protective goggles and clothing to...

Here is a little DIY project i almost completed today. It is a general LED lighting driver that supports 150 to 1000 watts wort of LED power. The design is extremely simple, modular and made mostly from parts rescued from going to the garbage dump. Only a few steps are necessary to get this...

I am glad to announce this project as an upgrade to my previous project http://laserpointerforums.com/f66/4800-lumen-project-69095.html I got a LED build sold so now its time to shift gears with the help of this newfound funding.. This one is going to be a BEAST :D --- The new new build will...

Hello. I have a problem with my aixiz driver: When i connect the driver to the battery, it powers the diode fine for like a second or so. After this the power drops significantly and goes very faint, i think it stops lasing? Soon after this it stops completely. If i wait a few seconds it works...

Is there some consensus over how overcurrenting a led affects it's lifespan (and brightness)? I have a resistor to choose for my led driver that defines the current, and the specification is 1.5-1.8A for the led. I have plenty of heatsinking so the led will run at ambient temperature. Should i...

Today i received two 30W LEDs in the mail, so it is time to start testing and building :D I was thinking about doing a flashlight this time around, the last LED project i did (baseball cap light) had no focusing of the beam so it lit up only 100m or so. Do you know any places to buy good...

What kind of work lights/flashlights do you have? I prefer worklights over flashlights since they leave my hands free to do stuff. I could not find any proper worklights, and the almost proper ones were insanely expensive. So i decided to make one myself. How hard can it be? ;) One ebay order...

About a year ago i started this project with my nintendo zapper gun. I bought a diode with some driver that i could not get to work properly. Now finally i decided to finish this project and ordered an aixiz module with a cashio diode and flexdrive, now things are working fine. I also...