• Use high quality Groove type opto coupler sensor
  • Groove width is 5mm
  • VCC GND OUT use 2.54 standard pins to ease the connections.
  • Include power indication LED
  • Has output status indication led, when output high TTL LED off, and vise verse.
  • when objects in the groove output high TTL, vise verse.
  • Output are output by comparably, signal is reliable, good waveform, easy to drive, current over 15mA
  • 3 mm screw drive hole, easy to mount it on somewhere
  • Compact size , 35 * 15 mm


  • Back side jumper connect to the output DO pin, if not connected please solder it.
  • jumper one side to normal output, one side to reversed output.


Motor speed detection, position detection, pluse counting, etc


Additional information

Weight 0.005 kg

2 reviews for Groove Opto Coupler Optical Sensor Module(Speed Meter)

  1. 5 out of 5

    remymorra (verified owner)


  2. 5 out of 5


    i check all cables and jrmueps but my car dont wantto change speed and dont run with this sketch and Orientation eventtest bluetooth work fine, arduino send name and pin and for any received information re-send random numbers. On speed 100 all work fine, butif i set 50-70-90 work only left motors, if i set 120-150 dont work anything im sed .

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