LM393 Speed Measuring Module, Slot Type IR Optocoupler Measuring Comparator 3.3V-5V with Cable, for MCUArduino, Pack of 10

LM393 Speed Measuring Module, Slot Type IR Optocoupler Measuring Comparator 3.3V-5V with Cable, for MCUArduino, Pack of 10

10 x speed measuring sensor LM393 speed measuring module

Product Features

• LM393 chip speed sensor module, the use of the imported groove coupler sensor, working voltage: DC 3.3.5V, the comparator output signal clean, good waveform, driving ability, than 15mA
• There is an output status indicator where the output high level light is turned off and the output low level light is on.
• VCC is connected to the positive pole of the power supply, GND is connected to the negative pole of the power supply, DO TTL switching signal output, AO This module does not work
• Equipped with fixed screw holes for easy installation
• This module is widely used in engine speed detection, pulse counting, position limit, etc