Recent content by sdusheyko

Thank you very much sir.

Thank you for the replies, the information is very insightful. Would even some refracted light from a 300mW beam be harmful? I'll head you're advice, I'm sure you know what you're talking about. Instead of buying the LM chip, can't I just use a resistor network to get the desired power input...

Hello, This is my first post after lurking for some time. I've always wanted to build a laser pointer that could do cool stuff like engrave wood and pop balloons; since my old brother's birthday is coming up and want to give him a cool cheap gift, I thought why not give it a go? There is...