10 Pack Infrared Sensor Module With Slotted Optical Optocoupler For Motor Speed Measurement And Arduino DIY Projects Photo Interrupter Sensor With TTL Output For Precise RPM Readout

10-Pack Slotted IR Sensor Modules for Precise RPM Readouts
✔️ Fits 3.3V-5V systems, TTL output, 5.9mm slot width with M3 mounts

These 10-pack infrared sensor modules use a slot type photoelectric interrupter with an infrared LED and NPN transistor. The 5.9 mm slot width lets non-transparent objects trigger a TTL output, making them handy for motor speed measurement, encoder reading, and Arduino DIY projects.

Key specs:
✅ 10-pack infrared sensor modules with slotted optical interrupter
✅ Slot width 5.9 mm; 3.3V-5V operation; TTL output
✅ Digital switch output (0/1) with signal indicator LED
✅ M3 mounting holes at both ends for secure installation
✅ Schmidt trigger minimizes jitter for stable pulses

💡 What is an infrared slot sensor used for in motor speed measurement and Arduino projects? This handy device helps you capture encoder pulses with a simple digital readout. - Useful for motor speed readouts and encoder monitoring - TTL output works with most microcontrollers and Arduino - 3.3V-5V operation with Schmitt trigger reduces jitter