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Finally after a few weeks, I got all the videos I wanted and here they are: video

Created a video, burning a match and comparing the LASERs

does anyone know any 1w laser diodes???

Built the driver myself Thank you to LuxorLasers147

Still unsure what voltage battery i should use.

So i think i should add a capacitor to my laser in case of voltage spikes. However i really dont know which one i need. I am going to power a 50mw laser with lm317 (i also want to know what volatge should the battery be???). Will a 25v 10uF capcitor be appropriate???

So i am going to buy a pair of eagle pair survival laser goggles. However i live in the UK and shipping to me cost £11 ($15) which is quite alot. I would like to know if there is anywhere for me to buy this laser goggles in the UK without me have to pay an exorbitant amount of money for...

So to build my driver i am going to use a LM317 and i also need a resistor to connect adjust and Vout however i am unsure how to calculate what resistor i need btw i am using a 50mw 405nm laser diode.

So for my first laser i just want to build a simple <100mw laser and i would also like to build the driver as well because making one without a driver is too easy. Anyway I'm looking for a laser diode in this range however all the listing on ebay (for me) usually have drivers included unless...