General > General Technical Chat
Laser Needle Controller/Sensor, Working Principles.
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palpurul:

--- Quote from: dunkemhigh on March 04, 2022, 02:21:44 pm ---Infrared is probably used for the same reason security systems and TV remotes use it: you can filter out visible light easily so there is little interference.


--- End quote ---

Thanks! You helpmed me a lot  ;D
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