DIY a laser pointer

by Laser Explorer Posted on 2576 0
I have a small battery on the 5th battery,Just once again idle boring Taobao looking for laser head, find a 5mW. Preferential purchase of electronic cigarettes, is optimistic about this shape and cylindrical lithium battery. First on the circuit, because…

DIY 40W Laser pointer A CO2 laser gun

by Future Laser Posted on 5368 0
DIY 40W Laser pointer DIY 40W CO2 laser gun I made a hand-held laser gun, the tube is 40W CO2 laser tube, with 532nm 5mw green laser sight for aiming, It can be fired within ten meters .Of course, if…