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

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Feature

widely be used in dynamo speed detecting or for Arduino DIY project
Main Chip : LM393
Working Voltage : DC 3.3-12V
Slotted Width : 5mm/ 0.2";Hole Size : 3mm/ 0.12"
PCB Board Size : 33 x 14mm/ 1.3" x 0.55" (L*W)

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