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Author Topic: stepper motor positioning using sensors  (Read 763 times)
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Hi,

I am currently building a laser pointer mechanism using two stepper motors controlled by the Arduino uno R3. I want the motor to have a reference point or a point where it will return to automatically after pointing in any direction. I want to use hall effect sensors to do this, but am wondering if this is the best solution to my problem. Is if there another way out there that would be a better solution to my problem or would using hall effect sensors be my best option? 
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Most common alternatives are physical switches (disk with a notch or a lump) and optical interrupters (disk with a slot)
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