DX  » Community » Reviews » Red Laser Module - Focused Line (3.5V~4.5V 16mm 5mW)
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  • Overall Rating: 5
  • Price: 4
  • Quality: 5
  • Ease Of Use: 4
  • Usefulness: 5
Much better than what I thought – Red Laser Module - Focused Line (3.5V~4.5V 16mm 5mW) Reviews

posted by lpanagis on 08/23/2012 Certified Owner

Involvement:Expert (understands the inner workings) - Ownership:1 day to 1 week

Pros:
Pretty good, relatively small and light operates just fine from 3V to 5V. Beam strong enough to be visible at least 10 feet away on white walls.
Cons:
Beam rotates as you focus it. Be very careful to glue or otherwise immobilize the focus ring or your beam is not going to be level
Other:
Wit this, a decent spirit level and a lot of carefulness you can make your own laser line level for custom applications where a commercially available does not work well. A nice laser like this can also be used for robot navigation and obstacle avoidance if you are creative :-)
Bottomline:
I am planning buy a few more for a 3D obstacle avoidance module for a robot. Stay tuned!

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