Tagged Questions

1
vote
1answer
1k views

How do I build a laser/IR target?

I am trying to make a "laser gun range" like the ones you see at carnivals for my embedded systems class at school. However, I am having trouble because I do not know how to construct the "target". I ...
2
votes
3answers
218 views

Is a class I infra red laser range finder with range 30-40 metres possible?

For our warehouse, we need to build a range finder for monitoring purposes. We have the following constraints: Use infra red lasers only Range should be at least 30 metres Only class 1 lasers ...
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 ...