Does anyone have any techniques for making LED spotlights? How do you focus a LED to a narrow beam?
Stick it in a long narrow tube. LED’s have a narrow beam anyway. The tube will help tighten it up though.
Does anyone have any techniques for making LED spotlights? How do you focus a LED to a narrow beam?
Stick it in a long narrow tube. LED’s have a narrow beam anyway. The tube will help tighten it up though.