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Hello fellow moths, I'm a Mechatronics student doing my internship and part of my system involves a laser vector projector, the application is actually industrial, but need not be super accurate, it's just a concept for guiding the staff around. So between the expensive precise industrial laser...

Hi, My name is Lennart and this is my first post here. I live in the south of Sweden. 1979 I bought a Coherent He-Ne laser modell CR80-45 and build a projector. After many years in rest I tried to start the laser but no light came out of the tube, fuse is ok, and also the source I think....