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Hey, thanks for the answer it was quite descriptive. I am a physicist, so I think I can handle the math necessary but programming part can be quite hard. I would like to build one too so lets do it together. I know little circutary for motor control and optics. By the way what I ment abot the...

Hello everybody, I have been dealing with a laser scanner project for a while which works with triangulation method (david laser scanner). However, lately I have seen another application in mythbusters tv show as well as the announcement of makerbot digitizer Here you can watch the video and...

Last time I could not upload the picture of my laser pointer but I think this time I succeeded :) this is not a laser diode but a module that's why I also assume that it has a inbuilt driver module inside as you also said... I did not try 5V until now and I use the 2xAAA size batteries because...

I use exactly this one as the power supply (3V-12V) http://www.growtronica.pt/Imgs/produtos/import/numericos/PSSMV2.jpg but isn't two AAA size batteries better then that sort of power supplies?

I unfortunately lack of this information. it is not a high grade laser pointer for scientific applications. but it is hard to find in a short notice... What should i do if i want to limit the current ? can i use just a resistor like 3V/Xohm = 30.6 mA ? or do i need something more sophisticated?

Hello everybody, I am new in forum and I am not an electronic engineer. I am a physicist. nowadays I am building a lab equipment including a laser pointer for my experiments. the picture ot the laser pointer is here I only have one of this laser pointer and it should bear until I finish my...