By using voltage comparator LM393, this mini Motor Speed Sensor moudle is used for motor motion control. It is designed on the basis of optical sensor by having the electrical circuit installed inside the plastic enclosure. It is easy to use due to its flexible positioning and easy installation. It is a very helpful item for making robotic chassis.Features:* Groove width is 5mm;* VCC GND OUT use 2.54mm standard pins for easy connections;* Power indication by LED is installed;* Has output status indication light. At output high TTL, the light is off, and vise verse;* When an object in the groove, output high TTL, and vise verse;* Signal is emitted by comparator for better reliability and waveform;* Working power is DC 3.3 - 5.0V;* 3 mm screw hole, easy to mount;* PCB measurement: 57 * 36mmApplication:Motor speed detection, position detection, pulse counting, etc..
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