Infrared Photoelectric Sensor Module 10 Pack 5V DC For LM393 Compatible DIY Kit Built For Motor Speed Detection Pulse Counting And Position Limit Switch Plug And Play With Relay Or Alarm Buzzer

Infrared Photoelectric Sensor Module 5V LM393 Pack of 10
✔️ 5V DC, LM393 comparator, 10-pack, digital 0/1 output

These infrared photoelectric sensor modules are compact through-beam devices that detect beam interruptions for precise timing, counting pulses, and triggering limit switches. They’re commonly used in DIY projects, motor control, robotics, and automation to sense object position without contact.

✅ Size: 12.5mm / 0.5in, 10mm / 0.4in, 20mm / 0.8in, 23mm / 0.9in
✅ Main chip: LM393, cross-beam infrared head
✅ Working voltage: DC 5V
✅ Output: digital switch output (0/1)
✅ Package: 10 x infrared photoelectric sensor modules

💡 What is a photoelectric sensor module used for?

These handy devices detect beam interruptions and convert that into a control signal for automation systems.

- Pulse counting and motor speed measurement - Limit switching and position sensing - Relay or alarm integration for automation - Small, 5V LM393-based project module