Tagged Questions

2
votes
1answer
229 views

How to choose laser galvanometers

I am currently looking to purchase laser galvanometers like this and this. However, as I'm not familiar with lasers, I'm not sure the criteria I should use to evaluate whether a given product is a ...
4
votes
3answers
2k views

Best way of making a trip-wire type device?

I'm wanting to make a type of electronic "trip wire". My basic idea is to have like a laser and basically when the laser is interrupted then it sends some signal to a microprocessor. I'm not tied ...