I need to find a cheap optical solution to measure the position of an object in relation to a surface. The object glides in a linear motion along an axis, around 30mm away from the surface. The ...
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 ...
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 ...