Features:

• Adopt imported groove type optical coupling sensor

• Width of groove: 5mm

• With output indicator, the indication light will be off for output high level and on for output low level

• Output low level when blocking out, output high level when without blocking out

• Comparator output, clean signal, good waveform, strong drive ability, exceed 15mA

• Working voltage: 3.3V-5V

• Output type: Digital switch output (0 and 1) Using wide voltage LM393 comparator
  

Applications:
     Widely applied to motor speed detection, pulse counting, position limit, with 2 channels test