ITEM NAME:LM393 Chip Slot Motor Measuring Comparator Speed Sensor Module for MCU E5A1 LM393 Chip Slot Motor Measuring Comparator Speed Sensor Module for MCU E5A1 Widely used in motor speed detection, pulse counter, etc Designed with slotted optical switch sensor, indicator light. Working with official MCU board. Product Name : Speed Sensor Module Working Voltage : DC 3.3-12V Main Chip : LM393 PCB Board Size : 32 x 14mm/ 1.3" x 0.55" (L*W) Slotted Width : 5mm/ 0.2" Mounting Hole Size : 3mm/ 0.12" Material : Electric Part Net Weight : 2g Package Content : 1 x Speed Sensor Module Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.
