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LASER (Light Amplification by Stimulated Emission of Radiation) is an optical device, which emits monochromatic, directional, and coherent light beam (laser light). Commonly used in distance measuring devices such as LIDAR.
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What laser power for cutting and engraving wood and Acrylic robot baseplates?
For such results the laser should have a power of 2-3Watts
You can have a look at different projects like this here at kickstarter:
https://www.kickstarter.com/projects/1537608281/lazerblade-the-affordable-laser-cutter-engraver …
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Matlab toolbox (Windows) for Sick lasers?
I had a look at the protocol specification, which is very well documented and easy to implement. Instead of using the sicktoolbox, I suggest writing your own driver, which meets your recommendations. …
3
votes
Accepted
Sensing the level of a liquid in a tube
If you look in the industry, they usually use capacitive proximity sensors.
This sensors can be adjusted easily to sense behind the glass. In addition I can tell you, that this measurement is highly …
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Air hockey with a robot as an opponent
In addition to Chuck's answer:
I recommend using opencv or any other Computer Vision library.
But you do not need to go the simple way. Do not place the camera directly above the table. You can plac …