The key components of an optical encoder are shown here. The shaft turns the code rotor. The LEDs emit infrared light. The photo detectors are special transistors that allow current to flow when the light from the LEDs is shining on them.
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The key components of an optical encoder are shown here. The shaft turns the code rotor. The LEDs emit infrared light. The photo detectors are special transistors that allow current to flow when the light from the LEDs is shining on them.
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