Youmile 5Pcs Speed Measuring Sensor LM393 Speed Measuring Module Tacho Sensor Slot Type IR Optocoupler for MCU RPI Arduino DIY Kit with Encoders

• 1.the use of imported groove coupler sensor, slot width 5mm.
• 2.output status indicator lamp output high, output low lights.
• 3.block, output high; no shelter, output low.
• 4.the comparator output signal clean, good waveform, driving ability, than 15mA.
• 5.the working voltage of 3.3V-5V

Description: Features: 1, the use of imported groove coupler sensor, slot width 5mm. 2, output status indicator lamp output high, output low lights. 3, block, output high; no shelter, output low. 4, the comparator output signal clean, good waveform, driving ability, than 15mA. 5, the working voltage of 3.3V-5V 6, the output format: digital switching output (0 and 1) 7, a fixed bolt holes for easy installation 8, small PCB board size: 3.2cm x 1.4cm/1.3 x 0.6inch 9, using a wide voltage comparator LM393 Wiring instructions: 1, VCC positive power supply 3.3-5V 2, GND power supply is negative 3, DO TTL switching signal output 4, AO this module does not work Package includes: 5 x Speed Measuring Sensor LM393 5 x Encoders 2 x 10Pin Dupont Cable Female to Male 2 x 10Pin Dupont Cable Female to Female