DAOKI 5Pcs Speed Measuring Sensor IR Infrared Slotted Optical Optocoupler Module Photo Interrupter Sensor for Motor Speed Detection or Arduino with Encoders
Special Features
Infrared detection, eliminating the interferences of external stray light
Schmitt trigger, stable wave form and signals
Signal output indicator (while breaking the beam, outputs low level, the indicator lights up)
Power: 3.3V to 5V
Dimension: 26.8mm x 15mm x 18.7mm
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