Using Old DVD Drive Lens As Color Detector

I have many old CD and DVD writer of PC and laptop.I tear down many of them. These employs highly accurate stepper motor(DVD and lens movement) and simple DC motor (For opening and closing tray). I use it for 3D printer and mini CNC machine. But only part it left is circuit board and DVD lens. So i come with new idea to use it in better way.Lets get started!!”


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