uxcell Speed Sensor Module LM393 Motor Measuring Comparator Slot Type IR Optocoupler for MCU Arduino

Great Sensors for Arduino Project. Having Fun With Electronics and Programming! Description: Widely used in motor speed detection, pulse counter, etc. Designed with slotted optical switch sensor and indicator light. Indicator lights on when output high level and lights off when output low level. Working with official MCU board. Using wide voltage LM393 comparator. Clean signal, good waveform, more than 15mA strong driving ability. Output form: Digital switch output (0 and 1) and Analog for Sensitivity. Specification: Working Voltage: DC 3.3V-5V Groove Width: 5mm PCB Size: 31mm x 14mm (L*W) Fixed Hole Diameter: 3mm Package Includes: 1 x Speed Sensor Module